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An ascocarp, or ascoma (pl.: ascomata), is the fruiting body (sporocarp) of an ascomycete phylum fungus. It consists of very tightly interwoven hyphae...

genus Hypocreopsis, a group of fungi that form ascomata on the stems of trees and shrubs. The ascomata are orange-brown and consist of radiating, perithecial...

grey, characterised by its smooth texture and considerable thickness. Its ascomata are lirelline (elongated with a slit-like opening), often raised from the...

Makhija and Bharati Adawadkar. It is characterized by its distinctive ascomata and reddish-orange exciple. Found primarily in tropical and montane forests...

Rondônia, Brazil. What makes Pyrenula sanguinea unique are its trypethelioid ascomata—structures housing the reproductive spores—that are fused together, and...

Lecanographaceae. Its common name, scribble lichen, refers to the form of its ascomata (fruiting bodies), which are long or short, sometimes branched, and with...

coloured apothecia. Many members of the family have obviously cup-shaped ascomata with little or no stipes. They are usually found fruiting on coarse or...

the yellow pigment in the ascomata; the form of the ascomata ("diffusely pseudostromatic"); and the arrangement of the ascomata (in irregular lines). The...

Yang & X.L. Xu (Podonectriaceae family) was found parasitic around the ascomata of another fungus Neostagonosporella sichuanensis C.L. Yang, X.L. Xu &...

Zwackhiomacromyces has black, pear-shaped ascomata (perithecia), which are fungal reproductive structures. These ascomata have relatively large, papilliform...

but no ascomata. The Neolectomycetes are species in a single genus, Neolecta, which are the only members of the subdivision that form ascomata (fruiting...

elongated ascomata connected to surface-growing, black, vegetative strands. L. radicans shows features of both subgenera. While it has cushion-like ascomata typical...

Pleosporomycetidae. They are ascomycetes that have stalked/stessile and dimorphic ascomata, hyphal stalk cells that are about 40 μm wide. It contains the families...

this lichen is characterized by its carbonized (blackened and brittle) ascomata, which develop from within soralia, and its distinctive distoseptate, violet-blue...

ascomycetes") that support the spore-bearing structures, and the presence of ascomata both with and without stalks. The genus Aliquandostipe has a pantropical...

olive-green thallus lacking a prothallus, with spherical to pear-shaped ascomata that are immersed in the thallus surface (up to 2 mm deep), and typically...

pseudostromatic, erumpent ascomata that are covered by thallus and have an external pink pigment, with each containing a single group of fused ascomata; and the 5-septate...

Caliciaceae and other morphologically similar pin lichens with mazaedium-forming ascomata featuring passive spore dispersal used to be grouped together in the order...

or "misleading") refers to the long-standing mistaken identity of its ascomata (fruiting bodies) with the true fructifications of its host lichen. Opegrapha...

for "imitating" or "mimicking") refers to the potential confusion of its ascomata (fruiting bodies) with the true fructifications of its host lichen. Lecanographa...

of green algae that forms a symbiotic relationship with the fungus. The ascomata (fruiting bodies) are sessile (directly attached to the substrate without...

Pyrenulaceae. Found in Brazil, this species is notable for its deeply immersed ascomata (fruiting bodies) with distinctive red ostioles (openings). The ascospores...

units of the fungi. Not all fungi form molds. Some fungi form mushrooms or ascomata; others grow as single cells and are called microfungi (for example, yeasts)...

characterized by conspicuous orange pseudostromata containing groups of fused ascomata and 3-septate ascospores. The pseudostromata contain an anthraquinone pigment...

characteristics and certain chemical constituents, in particular, its non-carbonised ascomata and the presence of a vivid orange anthraquinone compound. The type species...

Lecanographaceae. Native to the Galápagos Islands, it grows on and within the ascomata and thallus of Sarcographa tricosa, a host lichen species. Although it...

corticate, smooth, and somewhat shiny thallus, as well as its pyriform ascomata. Astrothelium novemseptatum was fornally described as a new species in...

Hypocreopsis is a genus of ascomycete fungi that form ascomata on the stems of trees and shrubs. The ascomata are orange-brown and consist of radiating, perithecial...

distinguished from other Acanthothecis species by its specific arrangement of ascomata and distinct chemical composition. The lichen's thallus has a creamy, off-white...

1985. The type collection, made in New Zealand, was found growing on the ascomata of Trichoglossum hirsutum (black earth tongues). H. papulasporae has Sibirina-...

Sordariomycetes. Species are recognisable by their brightly coloured perithecial ascomata, typically yellow, orange or red. The family was proposed by Giuseppe De...

lichen in the family Pyrenulaceae. Found in Brazil, it is characterised by ascomata that are deeply immersed in the bark beneath the thallus, with distoseptate...

It comprises three species characterized by their black, superficial ascomata (fruiting bodies) that form dense clusters, typically growing on rock surfaces...

conidiophores have distinctly rough-walled stipes; conidia are olive brown; and ascomata, if present, have minimal covering. Rasamsonia phenotypically resembles...

The lichen forms narrow, ellipsoid ascomata (called lirellae) that measure 0.45–1.14 by 0.09–0.23 mm. The ascomata typically grow by extending one end...

species is distinguished by its shiny, olive-green thallus and hemispherical ascomata with pointed ascospores that are consistently hyaline, fusiform, and have...

as a new species in 2016. It is characterised by its immersed pyriform ascomata with lateral ostioles and bent, muriform ascospores. Astrothelium curvatum...

mycologist Miles Joseph Berkeley in 1842. The ascomata of Cyttaria species are porous with an orange color. Each ascomata consists of multiple apothecia immersed...

distinguish it from others in Astrothelium are the indistinctly pseudostromatic ascomata, with erumpent to prominent pseudostromata that are covered by thallus...

internally as a gleba rather than remaining exposed, and in some closed ascomata the asci are scattered rather than arranged in a distinct hymenial palisade...

alga Trentepohlia, with cells about 7–9 × 6–8 μm. The fruiting bodies (ascomata) are rounded and sit within warty raised bumps (verrucae) that are surrounded...

of the lichen does not induce the formation of galls in the host. The ascomata are pear-shaped (pyriform) and typically occur in aggregates of two to...

somewhat glossy thallus (the main body of the lichen) that also covers the ascomata (fruiting bodies), except for a prominent black opening (ostiole). The...

by its shiny, olive-green thallus with numerous isidia and low conical ascomata. Porina monilisidiata was formally described by the lichenologists Gothamie...

and habitat. Most have perithecial (flask-shaped) fruiting bodies, but ascomata can be less frequently cleistothecial (such as in the genera Anixiella...

bullate, olive-green thallus that covers areas of up to 7 cm (2.8 in). Ascomata are in the form of perithecia, which are arranged in aggregated groups...

such as Nostoc, Scytonema, Stigonema and members of the Rivulariaceae. Ascomata are predominantly pycnoascocarps, i.e., the sexual structures develop from...

bodies (apothecia) and ascospores that become brown, remain on top of the ascomata in a mazaedium, and are ornamented with short spines. Aptroot noted that...

genus Trentepohlia, with cells about 8–10 × 6–7 μm. The fruiting bodies (ascomata) are rounded and partly protruding from the thallus (erumpent), with a...

Ocellularia krathingensis (A–F); A habitat of ascomata, B hymenium with ascus, and C ascospores. (D–F) D erumpent ascomata, E ascus, and F ascospores. Scale bar...

thallus that can span several centimetres in diameter, and its rounded ascomata that are immersed in the thallus. Unlike most of its genus counterparts...

can be distinguished by its inspersed hamathecium (a tissue layer in the ascomata containing oil droplets). The ascospores are 3-septate, meaning they are...

considered synonymous with Podosphaera xanthii, but due to, mainly, the smaller ascomata and smaller oculi than P. xanthii, it was deemed a separate species. While...

Réunion, it forms a crustose thallus and is characterised by its rounded ascomata and the presence of specific chemical compounds. The lichen species Lecanactis...

when its ascomata were mistakenly thought to belong to the lichen itself. Opegrapha reinkellae is characterised by its variable lirellate ascomata measuring...

(2021). "A new species of Sagiolechia (Sagiolechiaceae) from Norway, with lirelliform ascomata and 1-septate ascospores". Graphis Scripta. 33 (1): 1–11....

species in 2011 by the Dutch lichenologist Harrie Sipman. It has round ascomata (fruiting bodies) that measure 0.5–1.5 mm that are sessile to nearly stalked...

be distinguished from other members of Pyrenula due to its aggregated ascomata which are typically immersed in the thallus, curved ascospores, and square...

distinguishing it from others in Astrothelium are the UV+ pseudostroma; the fused ascomata; and the immersed pseudostroma that have a white cover (contrasting with...

Reproductive structures (ascomata) are pear-shaped and fused, forming within pseudostromata, a tissue structure that houses multiple ascomata. These pseudostromata...

type locality. The species epithet alludes to the blackened tops of the ascomata, which protrude from the thallus. Astrothelium megochroleucum is most similar...

family Trypetheliaceae. This species is characterised by its immersed ascomata (fruiting bodies) and a thallus consisting of nearly spherical warts, along...

The species epithet megaeneum refers to both its characteristic large ascomata and ascospores, and its similarity to Astrothelium aeneum. Flakus, Adam;...

is surrounded by a dark brown prothallus. It has pear-shaped (pyriform) ascomata, measuring 0.6–1.0 mm in diameter, which mostly aggregate in groups of...

genus Hypocreopsis, a group of fungi that form ascomata on the stems of trees and shrubs. The ascomata are orange-brown and consist of radiating, perithecial...

thick and a chalk-like medulla. There are no soralia on the thallus. The ascomata have a circular outline and measure up to 2.0 mm in diameter, and have...

distinct for its crystalline orange, red, and purple quinoid pigments in the ascomata that turn purple in potassium hydroxide solution, its colourless, transversely...

Latin words for yellow and green, refers to the colour of the thallus. Its ascomata (fruiting bodies) are in the form of conspicuous lirellae: they are long...

only place it is known to occur. The lichen has large, singly occurring ascomata that are completely covered by the green thallus. Its ascospores are narrowly...

European specimens, suggesting some geographic genetic structuring. The ascomata (fruiting bodies) of T. macrosporum are generally 2–5 centimetres (3⁄4–2 in)...

a prothallus and covers areas of up to 7 cm (2.8 in) in diameter. The ascomata are pear-shaped (pyriform), measuring 0.5–0.7 mm in diameter, and typically...

formally named and described due to its unique characteristics and lack of ascomata (fruiting bodies). The species was scientifically described in 2001 by...

Desert truffles are often used as a culinary ingredient. Fruit-bodies (ascomata) are large, more or less spherical to turbinate (top-shaped), thick-walled...

family Graphidaceae. Found in Cameroon, it is characterised its large ascomata and ascospores (for which it is named), and an inspersed hymenium. Allographa...

0.3 mm wide) and covers areas of up to 7 cm (2.8 in) in diameter. The ascomata are pear-shaped (pyriform) and typically aggregate in groups of two to...

open by rupturing to form a terminal or eccentric lid or operculum. The ascomata are apothecia or are closed structures of various forms derived from apothecia...

the lichen induces the formation of galls in the bark of the host. The ascomata are spherical, measuring about 0.8–1.2 mm in diameter. They tend to aggregate...

D: four-week-old colonies on malt extract agar at 20 °C; B, C, E, F: ascomata on cankers of Pinus radiata. Caliciopsis moriondi is shown for comparison...

characterised by its greyish-green thallus and its almost globose (spherical) ascomata (fruiting bodies). The ascospores are 1-septate, meaning they are divided...

of the species are the presence of kidney-shaped (reniform), compound ascomata, and the lichenisation–which is quite rare in the genus Splanchnonema....

Trypetheliaceae. The genus is characterized by a corticate thallus and diverse ascomata structures, which can be simple, aggregated, or forming pseudostromata...

is the same as O. camponotirufipedis. Its fertile region is brown, its ascomata being semi-erumpent and crowded. The asci are 8-spored, hyaline and cylindrical...

Lanka. The species is characterized by its unique pycnidia and absence of ascomata. Megalotremis cylindrica was described in 2016 by the lichenologists Gothamie...

that is bordered by distinct dark prothallus lines. Its fruiting bodies (ascomata) are solitary, each about 0.4 mm in diameter and 0.20–0.25 mm tall, with...

a green thallus, and a smooth, glossy appearance, and an inconspicuous ascomata. The species was first described by Antoine Laurent Apollinaire Fée in...

spores in aquatic environments. T. pinicola's ascomata are dark-brown to black, and occur solitarily. The ascomata are between pear-shaped (pyriform) and egg-shaped...

slightly ellipsoidal ascomata, the sexual reproductive structures of lichen, which are dark brown to black in colour. The ascomata are 0.1–0.2 mm wide...

1874. Characteristics of Myriostigma include the raised maculate (spots), ascomata-like fertile areas, asci that are 8-spored, thick-walled, globular and...

and cracked, with a thin, black hypothallus delineating its borders. The ascomata are lirelline in form, measuring 8–13 mm in length and bearing a colour...

but the former differs from the latter in the presence of perithecial ascomata, the presence of periphysoids on the inner wall, the lack of an apical...

protective layer surrounding the ascomata, is also carbonised. The excipulum, which is the outer tissue layer of the ascomata, is made up of tightly interwoven...

others in Astrothelium are the external and internal yellow pigment of its ascomata, and the form and dimensions of its ascospores (110–150 μm long by 30–37 μm...

2 mm wide. Vigneronia spieri has a trentepohlioid photobiont partner. The ascomata of the lichen are in the form of apothecia–circular to elongated to lirellate...

others in Astrothelium are the presence of lichexanthone in thallus and ascomata, and the ascospores, which are divided by from 7 to 9 septa and have dimensions...

characterized by its UV-positive orange thallus and linear to ink spot-like ascomata (fruiting bodies). This lichen is corticolous, growing on the bark of trees...

asexual fruiting bodies (pycnidia) were not observed. The fruiting bodies (ascomata) are rounded with a complete covering of thallus tissue (thalline margin)...

and Sittiporn Parnmen. The genus name alludes to its similarity to the ascomata of the genus Topeliopsis, despite the two being only distantly related...

covers an area up to 3 cm (1 in) in diameter. It has roughly spherical ascomata, measuring 0.7–1.3 mm in diameter, which occur singly in tiny warts (verrucae)...

"perforation; aperture; opening; orifice", and refers to the widely open ascomata that are characteristic of the genus. The thallus of Byssotrema mirabile...

Having asci. asco- A prefix meaning "ascus". ascocarp Also ascoma, plural ascomata. The fruiting body of an ascomycete fungus, containing the asci and ascospores...

spores are produced in spore-producing structures called ascomata. The most common types of ascomata are the apothecium (plural: apothecia) and perithecium...

a prothallus and covers areas of up to 7 cm (2.8 in) in diameter. The ascomata are pear-shaped (pyriform) and typically occur in aggregated groups of...

species in the Schaereria genus include a crustose to squamulose thallus, ascomata (fruiting bodies) with a blackened ring and a blackish disk, and asci (spore-bearing...

species forms dark, concave fruiting bodies (ascomata) with a thick, wavy (flexuose) margin. Individual ascomata are angular to oval (ellipsoid) and are typically...

partner (i.e., green algae of the genus Chlorococcum). The lichens have ascomata in the form of biatorine apothecia, which often have a reduced margin around...

ecorticate, whitish-grey thallus features spherical, erumpent, solitary ascomata with diameters ranging from 0.2 to 0.4 mm and an apical ostiole. The hamathecium...

first described in 2016. It is distinguished by its almost superficial ascomata with a hamathecium inspersed with orange crystals, and ascospores that...

body, and differs from P. monospora by having yellowish to yellow-brown ascomata. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi...

cited the immersed clusters ("synascomata", which are tight clusters of ascomata that function together) set in a slightly sunken pseudostroma (a pad of...

the medulla that reacts K+ (red); and the pseudostromatic form of the ascomata, with whitish-coloured, erumpent to prominent pseudostromata. "Astrothelium...

intertwined fungal filaments. The sexual reproductive structures, called ascomata, may be numerous or absent in P. ochroleucum. When present, they are circular...

covers areas up to 15 cm (6 in) in diameter. It has roughly spherical ascomata, measuring 0.3–0.5 mm in diameter, which aggregate on the thallus surface...

Andaman Island). The species epithet refers to the type locality. The ascomata (fruiting bodies) of the lichen are in the form of lirellae, which are...

slightly wrinkled above the apothecia. The lower surface is white. The ascomata are sparse and terminal, measuring 2 to 4 mm wide. The ascospores are more...

smooth, matt, whitish-grey to whitish-beige, and lacks a prothallus. Its ascomata are lirelline in form, curved with tapered ends, and measure 0.5–4 mm long...

inspersed hamathecium. The ascomata measure 0.3–0.6 mm in diameter, with a solitary, spherical centrum that is erumpent. As the ascomata age, the wall expands...

cortex and a photobiont layer containing calcium oxalate crystals. The ascomata, or fruiting bodies, are characterized by their large, often chroodiscoid...

tiny, black fruiting bodies that appear as solitary, rounded stromatic ascomata on the surface of bark. The outer wall (peridium) of each ascoma consists...

(0.1–0.2 mm), dull yellow thallus covered with xanthone crystals. Its ascomata are round and black, about 0.2–0.5 mm in diameter with a flat disc. The...

thallus; the distribution of the ascomata, which ranges from solitary to irregularly confluent; and the form of the ascomata, which ranges from prominent...

Pseudopyrenula. The species epithet clypeatum refers to the conical black ascomata, which have a pseudostromata resembling a clypeus (a shield-like growth)...

Astrothelium scoria, from which it differs in having in having non-aggregated ascomata. Flakus, Adam; Kukwa, Martin; Aptroot, André (2016). "Trypetheliaceae of...

known to have epigeous and hypogeous species, and are characterized by ascomata composed of an inner layer of interwoven hyphae and an outer layer composed...

crystals. It forms a symbiotic partnership with trentepohlioid algae. The ascomata (fruiting bodies) of this lichen are small, conical, and scattered across...

conspicuous prothallus. The photobiont is trentepohlioid green alga. The ascomata are almost punctiform (point-like), either solitary or more often arranged...

characterised by its greyish or greenish-white crustose thallus and numerous ascomata, ascospores that have between 7 and 14 transverse septa, and the presence...

this species is notable for its dark carmine-red thallus and its known as ascomata (fruiting bodies), which are grouped in clusters of 5–30. The ascospores...

ascospores (ranging from 188 to 300 μm) and comparatively inconspicuous large ascomata in comparison to other related species. "Myeloconis fecunda P.M. McCarthy...

to describe the fungus's habit of forming its reproductive structures (ascomata) within the epidermis of its host plant. Taxonomically, Malvinia endoderma...

trebouxioid–that is, from the green algal genus Trebouxia. The reproductive organs (ascomata) are cup-shaped structures (apothecia) found on the lichen's surface, usually...

has been observed to produce a fertile sexual state with cleistothecious ascomata. As accepted by Species Fungorum; Ambrosiella batrae C. Mayers, McNew &...

contain a granular yellow-orange pigment but no embedded bark tissue. The ascomata are pear-shaped (pyriform), 0.3–0.5 mm in diameter, aggregated within the...

phase is gymnothecial and arises through a homothallic mating system. Ascomata of this species are round, 200–600 μm in diameter containing asci 7–9 (10)...

thallus with coralloid-like outgrowths, light-coloured fruiting bodies (ascomata) with a specialised structural layer, relatively large spores that tend...

research on the development and ultrastructure of ascomycete asci and ascomata influenced late 20th-century fungal systematics. A long-serving professor...

the ascomata is a small rounded process with an opening (an ostiole) through which ascospores may be released. The brown- to black-colored ascomata can...

distinguish it from others in genus Astrothelium are its pseudostromatic ascomata, which are erumpent, with an orange cover; and the dimensions and form...

olive-green thallus covered by a cortex or epinecral layer; large chroodiscoid ascomata with exposed discs and thick thalline margins; a fused, hyaline to yellowish...

without any hyphae projecting from them. The lichen is sterile, as neither ascomata nor conidiomata are produced. It contains atranorin, a common lichen product...

Constrictolumina cinchonae has a thin, whitish thallus. Its fruiting bodies (ascomata) are solitary, 0.4–0.6 mm across, and range from partly immersed to raised...

morphological characteristics that set it apart from Calicium viride. The ascomata (fruiting bodies) of C. corynellum, are greyish white and has shorter stalks...

Ascomata and ascospores of Ascodesmis nigricans...

dominate the thallus, with dispersed thallus bumps; and the hardly visible ascomata that are completely immersed in pseudostromata. A. cryptolucens is somewhat...

to C. erythrocarpa but is readily separated by its roundish, spot-like ascomata and smaller asci and ascospores. Externally it can also resemble C. wilmsiana...

of the lichen that distinguish it from others in Polymeridium are the ascomata with external, red pruina that turn dark blood red with a K+ spot test;...

characterized by its ascomata, which are pyriform and arranged with 2–8 chambers joined with eccentric, fused ostioles. Typically, 3–10 fused ascomata are grouped...

However, the ascomata of T. cumberlandense lack a cavity that exposes the gleba, which is a common characteristic in T. rugosum ascomata. The aroma of...

7 mm). There are no perithecia or mazaedia in this genus (only apothecial ascomata). Microscopically, Myriospora has a hymenium that is tall relative to Acarospora...

Lophium species in that its peridia were less fragile because of a rigid ascomata. In 2001, Vasilyeva considered the morphological differences sufficient...

and by a pale yellow pigment in the thallus and along the margins of its ascomata (fruiting bodies). Mazosia flavida was described in 2022 by André Aptroot...

(about 0.3 mm wide) and covers areas of up to 5 cm (2 in) in diameter. The ascomata are roughly spherical (globose) and typically occur in groups of 5 to 25...

páramo. The specific epithet refers to the pale pinkish colour of the ascomata. The lichen is only known to occur in Venezuela. A similar species in genus...

submuriformis contains lichexanthone, a lichen product that causes the thallus and ascomata margins to fluoresce yellow when lit with a long-wavelength UV light. This...

thallus, which reveals the black ascomata in an irregular area around the ostiole (the opening). The walls of the ascomata are completely carbonised (blackened)...

lacks a prothallus and covers areas of up to 10 cm (4 in) in diameter. The ascomata are pear-shaped (pyriform) and typically occur singly, immersed in the...

laboratory. R. Ower was the first to describe the developmental stages of ascomata grown in a controlled chamber. This was followed by in-depth cytological...

and dark brown. The ascomata are immersed in the hard cortex of the host plant, with bases embedded in the pith. The ascomata are light brown in color...

the photobiont can be Phycopeltis. Porina lichens produce perithecioid ascomata, which are flask-shaped structures where spores develop. These can be either...

M. areola forms sexual fruiting bodies (ascomata) on senescent or decaying cotton foliage. These ascomata typically measure 40–60 μm in diameter and...

Cryptocalicium have very small stalked apothecioid ascomata that produce a mazaedium. The hymenium of the ascomata presents septate, sterile (i.e. not fertile)...

green algae, like Chrosonothrix. The form of the reproductive structures (ascomata) varies widely within this family. They can be apothecioid (open and disc-like)...

lower bark or cambium layer to swell and erupt through the upper bark. Ascomata are pyriform (pear-shaped), about 0.6–1.2 mm in diameter, usually aggregated...

devoid of clusters of calcium oxalate crystals, except when bordering the ascomata. The photobiont is Trentepohlia, with cells that are rounded to irregular...

iodine potassium iodide (IKI) stain; and the arrangement and form of its ascomata, which are solitary to irregularly confluent, erumpent to prominent, and...

others in Astrothelium are its uneven to verrucose thallus; its confluent ascomata, which are erumpent to prominent and exposed, with gently to steeply sloping...

0.3 mm wide) and covers areas of up to 8 cm (3.1 in) in diameter. The ascomata are more or less spherical (globose) and typically occur in groups of around...

fruit bodies, or ascomata, of A. speciosa are roughly spherical, measuring 225–345 μm high and 240–360 μm in diameter. The ascomata have a long neck 165–345 μm...

(growing wholly under water) to superficial (being on or near the surface) ascomata, (fruiting body), papillate (covered in papillae/hairs), periphysate, clavate...

(lichen-dwelling) fungus. This species is characterized by aggregated ascomata with yellow margins, and salmon-red discs that originate from a single...

with a continuous, non-corticate, dull, pale greenish-brown thallus. The ascomata, or fruiting bodies, are sessile and solitary, with a purplish-brown to...

southeastern North America. The new species is characterized by 50–120 μm wide ascomata, 40–95 μm long setae, (1–)3-septate, pale brown, 11.9–15.7 × 4.4–5.8 μm...

hollow inside. The ascomata (fruiting bodies) are flat or slightly wavy and measure between 0.5 and 1.5 mm in diameter. These ascomata can sometimes divide...

lack of pseudocyphellae on the thallus, and the solitary, exposed, black ascomata. It is also one of the few Astrothelium species with only two spores in...

is grouped with taxa characterised at family level by thallinocarpous ascomata and a Lichinella-type ascus. Prieto, M.; Wedin, M.; Schultz, M. (2024)...

Astrothelium are its irregular, bullate thallus; its solitary to confluent ascomata with yellowish ostiolar rims, and the coarse thallus verrucae. "Astrothelium...

fungal partner in most foliose lichen are ascomytes with spores called ascomata. The fruiting bodies of lichen typically make up one of two shapes. Apothecia...

thallus. The lichen was recognized as a new species despite the absence of ascomata and ascospores, usually crucial for taxonomic identification. Its DNA sequence...

this genus are usually observed producing zone lines, conidiomata and ascomata on dead fallen leaves, but at least some are known to colonize living leaves...

a black prothallus (a border around the thallus) about 1 mm wide. The ascomata (fruiting bodies) are immersed in the raised areas of the bark and almost...

they are 31–36 by 21–25 μm. The cells attached to the upper part of the ascomata that resemble hairs are known as penicillate cells; they are made of foots...

are its smooth to uneven thallus, its prominent, blackish, and exposed ascomata, and its yellow hamathecium. "Astrothelium flavomeristosporum Aptroot"...

display tiny, widely spaced ascomata or conidiomata. Over time, this fungus can be lethal to the host lichen. The ascomata of Bryostigma huriellae ranges...

pyrenuloides has a brown to olive green thallus with a pseudocyphellae, and black ascomata measuring up approximately 0.5–1.3 mm (0.020–0.051 in) in diameter. It...

to white, smooth to uneven thallus up to 5 cm (2 in) in diameter. The ascomata are rounded and prominent, measuring 0.7–1.0 mm in diameter with a 0.3–0...

and varies in colour from whitish grey to pale olive or brown around the ascomata (fruiting bodies). The surface of the thallus can be either dull or shiny...

species in genus Bagliettoa. The excipulum (the rim of tissue around the ascomata) measures 0.2–0.3 mm in diameter and lacks colour other than the upper...

coprophilous taxa. Most Sordariales are saprobic, producing solitary perithecial ascomata. They are commonly found on dung or decaying plant matter. The order contains...

of the lichen does not induce the formation of galls in the host. The ascomata are pyriform (pear-shaped), measuring about 0.6–1.2 mm in diameter. They...

variations exist. Its characteristic structures include olive-brown stalked ascomata, dark brown apothecia (fruiting bodies) measuring 0.4–0.7 mm, and spores...

medulla, commonly white or sometimes pale yellowish-brown, and has frequent ascomata (fruiting bodies) with wavy margins. The lichen was formally described...

covers areas up to 7 cm (3 in) in diameter. It has pear-shaped (pyriform) ascomata, measuring 0.6–0.9 mm in diameter, which mostly occur either immersed in...

appearance. Its thallus has a cracked, uneven, and verrucose texture. The ascomata of Fissurina verrucosa are lirelline and very short, ranging from 0.2 to...

ascospores, with dimensions of 20–25 by 9–11 μm; and the grouping of its ascomata, which can fuse together to become irregularly confluent. "Astrothelium...

species is characterized within Astrothelium by having fruiting bodies (ascomata) clustered in raised structures (pseudostromata), an inner tissue layer...

heavily pigmented, coriaceous (leathery; stiff and tough, but flexible) ascomata, mostly lying horizontally to the host, partly deliquescing (liquefying...

reclassified in Microthecium in 2018. It is distinguished by its ostiolate ascomata (fruiting bodies with a small pore-like opening) and ellipsoid to spindle-shaped...

are 2–3 μm wide, and the prothallus is thin, dark brown to almost black. Ascomata are very uncommon in Myeloconis parva, and are mostly immature. They are...

presence of large colonies of free-living single-celled green algae. The ascomata (fruiting bodies) are sessile, black, and punctiform, with a diameter of...

its hyaline or clear ascospores, and the less pronounced pseudostromatic ascomata. It is also noteworthy that isidia, tiny outgrowths found in some lichens...

and farinose (mealy) soredia cover the entire surface of the soralia. Ascomata and pycnidia have not been observed in this species. The chemistry of Chiodecton...

specifically on lichens rather than independently. Its reproductive structures (ascomata) are small, spherical chambers (perithecia) measuring 95–120 μm in diameter...

forming a whitish layer on its substrate. Its reproductive structures (ascomata) appear as elongated, black, sessile lines (lirellae), which are generally...

are raised above the thallus and are hemispherical to wart-shaped. The ascomata are in the form of perithecia; they are pyriform to hemispherical, and...

(typically 30–40 μm long by 7–9 μm wide); and the arrangement and form of its ascomata—from irregular groups to pseudostromatic, with the pseudostromata erumpent...

surface with an outer skin-like layer (corticate). The fruiting bodies (ascomata) are of the trypethelioid type, with pore-like openings (ostioles) at the...

as new to science in 2007 by Urmila Makhija and Bharati Adawadkar. The ascomata, or fruiting bodies, are in the form of short lirellae, reaching up to...

presence of lichexanthone in the medulla; and the structure of the immersed ascomata, which have separate ostioles and are covered by the thallus. "Astrothelium...

structure, disintegrating the normal hyphal arrangement. It produces numerous ascomata (0.1–0.3 mm in diameter) and smaller conidiomata on these infection zones...

and Arachnotheca, but differs from these two genera in possessing dark ascomata with distinct appendages. In 1965, this taxon was examined on cellophane...

smaller than the ascomata. The ascomata are flask-shaped (perithecial), with a small hole called an ostiole at the top of each. The ascomata are shiny and...

the sexual morph of Pyrenotrichaceae is characterised by perithecioid ascomata, which are spore-producing structures that are either sessile (attached...

ascomycete fungus in the family Ceratostomataceae. It is characterised by ascomata (sexual fruiting bodies) that have a distinct opening (an ostiole) and...

genus include its chlorococcalean photobiont partner, and perithecioid ascomata that are deeply immersed in the substrate. Microscopic features of Cameronia...

Astrothelium, the species was compared to A. puiggarii: both have brown, emergent ascomata on bark, but A. puiggarii has muriform (multichambered) ascospores, whereas...

Arthonia ingaderiae is characterised by its blackish, irregularly roundish ascomata (fruiting bodies) measuring 0.3–0.6 mm in diameter, which grow on the branches...

borne in cavities ("ascomata") formed through a process known as "ascolocular development". In the case of B. dothidea, these ascomata are pseudothecia....

yellowish thallus lacking a prothallus, with spherical to pear-shaped ascomata that are either immersed in or are below the thallus surface, typically...

The lichen is characterised by the presence of wart-shaped (verruciform) ascomata, asci that contain eight ascospores arranged in a single row (uniseriate)...

Pyrgillus-like ascospores with dark bands between the lumina, but differs in having ascomata that sit on the surface with ostioles at their apex. List of Pyrenula species...

muriform ascospores, and it is reached under a pathway that indicates the ascomata are mostly single with an apical ostiole. It is then separated from similar...

were distinguished from other Chaetomium species by their long-necked ascomata and production of anamorphs similar to Botryotrichum. However, this categorization...

Constrictolumina leucostoma has a thin, whitish thallus. Its fruiting bodies (ascomata) are small, 0.1–0.2 mm across, and emerge slightly above the surface. They...

elongated ascomata, which are exceptionally dark, glossy, and appear in abundance, ranging from 6 to 60 on the apothecia of the lichen host. These ascomata partially...

surfaces. Within the spot develops the characteristic black stromata over the ascomata, along with chlorosis of surrounding tissue. The chlorotic rings may be...

white, well defined, and often peppered with calcium oxalate crystals. Ascomata are not well defined, being cushions of soft white mycelium immersed in...

ecorticate, yellowish-white, and non-fluorescent under ultraviolet light. The ascomata measure 0.4–0.6 mm in diameter with a spherical centrum that is erumpent...

that form small, dark-coloured fruiting bodies called ascomata on their lichen hosts. These ascomata measure between 120–200 micrometres (μm) in diameter...

from others in Astrothelium are its solitary to irregularly confluent ascomata, which are erumpent with an exposed upper part. Its ascospores have seven...

The ascomata, which are formed within a gelatinous matrix, are deeply cup-shaped, almost like a perithecium. The outer tissue layer of the ascomata is...

partner in the lichen symbiosis) is trentepohlioid, a type of green algae. Ascomata (spore-producing structures) are erumpent (breaking through the thallus...

of 2–4 cells, with individual algal cells measuring 13–20 by 9–16 μm. Ascomata (fungal fruiting bodies) and conidiomata (asexual reproductive structures)...

specific epithet roseola refers to the pinkish-coloured margins of the ascomata. Feuerstein, Shirley Cunha; Aptroot, André; da Silveira, Rosa Mara Borges;...

There are no soralia present. The lichen has ascomata that are circular, with a diameter up to 2 mm. The ascomata are sessile, meaning they have no stalk,...

600 ft). The species epithet refers to its characteristic perithecioid ascomata. The thallus of Gyalecta perithecioidea is crustose, with a dull, pale...

relatively small ascomata (fruiting bodies of the lichen) and an inconspicuous columella (a central pillar-like structure within the ascomata), set it apart...

the new species has smaller, rounded, columella-lacking (ecolumellate) ascomata, whereas O. papillata has larger apothecia with a developed columella....

Opegrapha verseghyklarae produces black, rounded ascomata that are up to 0.25 mm in diameter. The ascomata are often empty, or lacking a hymenium. The asci...

genus. The genus name Ocellomma alludes to the whitish rims on the small ascomata that contrast with the discs, giving them the appearance of small eyes...

photobiont is trentepohlioid, possible Trentepohlia abietina. Although neither ascomata nor pycnidia were observed in the original collections of this species...

reproduction relies chiefly on sexual fruit bodies (ascomata) and accidental fragmentation. Ascomata are small lateral discs, 0.3–3 mm across, that erupt...

or "intricate") refers to the maze-like appearance of its gall-forming ascomata (fruiting bodies). Sigridea labyrinthica is characterised by its distinctive...

ecorticate and whitish-grey, lacking fluorescence under ultraviolet light. The ascomata measure 0.4–0.6 mm in diameter, with a spherical centrum that is erumpent...

of lichexanthone only in the thallus; the indistinctly pseudostromatic ascomata, with erumpent pseudostromata—whitish in colour but lacking a sharp outline;...

Lichinellaceae, which the authors diagnose chiefly by thallinocarpous ascomata and a Lichinella-type ascus. The type species is Gonotichia octosporella...

whitish-grey thallus is characterized by spherical, erumpent, solitary ascomata measuring 0.3–0.5 mm in diameter, with an apical ostiole. The hamathecium...

usually appears brown to dark brown, sometimes with a yellowish tinge. The ascomata (spore-producing structures) of Roccella are in the form of apothecia,...

contradictory "family" signals. Ectolechiaceae species are crustose and have ascomata in the form of brightly-coloured apothecia (fruiting bodies) with a poorly-developed...

distinct prothallus and does not induce gall formation of the host bark. Ascomata are more or less spherical (globose), 0.8–1.2 mm in diameter, superficially...

that covers areas up to 5 cm (2 in) in diameter. It has roughly spherical ascomata, measuring 0.4–0.6 mm in diameter; they are covered by the thallus with...

lichen forms brown, rarely tan, blotches on smooth bark. It has superficial ascomata that are range in shape from hemispherical to flattened, and measuring...

(0.00039 in) and 100 μm (0.0039 in) by 15 μm (0.00059 in), as well as ascomata which measure up to 3 mm (0.12 in) in diameter. This species was first...

pseudocyphellae, and solitary black ascomata. It can be differentiated from other species by to the solitary ascomata, irregularly submuriform ascospores...

Lichinales, corresponding to their clade 5 and defined by thallinocarpous ascomata and a Lichinella-type ascus. In the study's time-calibrated phylogeny,...

Thallus crustose with chlorococcoid photobiont and perithecioid, immersed ascomata. Four spores per ascus. Secondary chemicals are dibenzofurans and triphenyls...

the recycling of nutrients. Morphologically, they are characterized by ascomata which is subglobose to cylindrical, 8-spored asci, cylindrical to fusiform...

Thailand, it is characterised by its sorediate features and its distinct ascomata and ascospores. This lichen, only known to occur in its type locality,...

and 1793. In 1794, Persoon introduced the term lirella for the furrowed ascomata of the lichen genus Graphis. From 1805 to 1807, he published two volumes...

alga Trentepohlia, with cells about 7–8 × 5–9 μm. The fruiting bodies (ascomata) are rounded and partly protruding from the thallus (erumpent), with a...

sorediate thalli assigned to L. vulpina and fertile thalli with abundant ascomata assigned to L. columbiana. Altermann and colleagues noted, however, that...

sections) and verrucosus (warty), refers to these characteristic features. The ascomata are in the form of completely immersed lirellae that measure 0.4–0.8 mm...

main distinguishing characters of the family are medium-sized rounded ascomata with a papillate ostiole (spore ejecting hole), a relatively wide, coriaceous...

Its reproductive structures (ascomata) grow on the surface of the host lichen and are black in colour. Young ascomata are covered with a distinctive...

wide. This species does not induce gall formation on the host bark. The ascomata are roughly spherical, measuring 0.8–1.2 mm in diameter, and are single...

pale greenish thallus lacking a prothallus, and spherical to pear-shaped ascomata immersed in and on the thallus. Ascospores number two per ascus, are muriform...

in parallel for a long time, which gives a high level of homoplasy. The ascomata are usually apothecial and it produces bitunicate asci. The bitunicate...

has a pale green or dull green thallus, which is uneven and cracked. The ascomata, or fruiting bodies, are lirelline in form and range from 0.5 to 2.5 mm...

in colour, with a smooth and cracked surface that appears pruinose. Its ascomata, or fruiting bodies, are lirelline in form and measure 2–4 mm in length...

of the family are characterised by small, dark, rounded to lirelliform ascomata, hyaline to brown single-septum spores, and association with a trentepohlioid...

similar to E. kalbii, but this latter species has lichexanthone only on the ascomata, not on the thallus. da Silva Cáceres, Marcela Eugenia; Aptroot, André...

Constrictolumina esenbeckiana has a thin, whitish thallus. Its fruiting bodies (ascomata) are solitary, 0.4–0.6 mm in diameter, and range from partly immersed to...

pale blue). These hyphae are present in the host thallus near the ascomata. The ascomata form in small, non-aggregated colonies, with an irregularly rounded...

Defining features of C. areolata include: 1) ovoid-conical, glabrous ascomata, 2) black, carbonaceous, areolate peridium and 3) clavate-shaped, single-walled...

 normandinae, and C. pseudonormandinae, but can be distinguished by its smaller ascomata, longer hyaline ascospores, and different host genus, Vahliella (Vahliellaceae)...

a prothallus and covers areas of up to 7 cm (2.8 in) in diameter. The ascomata are pear-shaped (pyriform) and typically occur in groups of two to five...

Anthostomella is a genus of fungi in the family Xylariaceae. The ascomata are simple and contain only a single perithecium. Species include: Anthostomella...

distinguishing it from others in Astrothelium are its immersed-erumpent ascomata that have an exposed blackish area around their ostioles; the presence...

of the lichen does not induce the formation of galls in the host. The ascomata are more or less spherical (globose), measuring 0.8–1.2 mm in diameter...

reproductive structures. They produce dark, spherical fruiting bodies (ascomata) that are typically 0.5–1.25 mm in diameter. These structures are initially...

protothallus is black, and the species' photobiont are green. The lichen's ascomata range from being either solitary or crowded, and are particularly immersed...

a thallus containing psoromic acid. It has pinpoint-like, perithecioid ascomata in groups of 15–35 within pseudostromata (raised tissue mounds), and ascospores...

pinkish-grey, exhibiting no fluorescence under ultraviolet light (UV−). The ascomata are 0.4–0.6 mm in diameter, with a spherical centrum that is erumpent and...

crystals scattered throughout it. The fruiting bodies of the lichen, called ascomata, are numerous and can vary in shape, with some being short and curved while...

distinguish it from Opegrapha species. The genus name alludes to the gyrose ascomata of the type species. Gyrographa was erected in 2014 by Damien Ertz and...

microcarpa has a white to grey thallus without a pseudocyphellae, and black ascomata measuring up to 0.7 mm (0.028 in) in diameter. The lichen was formally...

protective layer of fungal cells. The lichen's reproductive structures (ascomata) appear as small, flattened to dome-shaped warts that measure 0.5–0.7 mm...

Its fertile area is also a dark brown colour, measuring up to 1.0mm. Its ascomata are semi-erumpent and flask-shaped, with a prominent neck. Its asci possesses...

belonging to Mycosphaerella were characterised as having pseudothecial ascomata that can be immersed or superficial, embedded in host tissue or erumpent...

species epithet lecanorae refers to the genus of the host lichen. The ascomata of Buelliella lecanorae are in the form of small, rounded to irregularly...

range of 25–42 × 10–20 μm, asci containing eight spores and prominent ascomata. The species was described in 2024 by Andrew J. Marshall, André Aptroot...

has a grey-brown and brown to olive green thallus, and subglobose black ascomata which measure 0.5–1.5 mm (0.020–0.059 in) in diameter. The lichen was formally...

rhizines that function as holdfasts to attach the thallus to the substrate. Ascomata are in the form of large brown apothecia, typically located at the tips...

sites in Thelebolus; β-tubulin is a recommended secondary barcode. Their ascomata are < 500 ųm diam. and are usually considered apothecia. Cleistothecium-like...

the presence of dark to black ascomata with a unilocular, globose pseudothecium and a short, cylindrical neck. Ascomata also bear hyphae and conidiophores...

cells occur in radiating plates and are rectangular (about 8–15 × 4–6 μm). Ascomata (fruiting bodies) are few to many, rounded to irregular, nearly flat to...

species before. The fruiting bodies of Myeloconis, known as perithecioid ascomata, have a dark, dense, and almost pseudostromatal wall. The hamathecium,...

a prothallus and covers areas of up to 7 cm (2.8 in) in diameter. The ascomata are pear-shaped (pyriform) and typically occur in groups of two to five...

algal cells can be visualised as green dots. It has roughly spherical ascomata, measuring 0.7–1.3 mm in diameter, which appear singly on the thallus surface...

and may or may not contain algae. The reproductive structures, known as ascomata, host clusters of hymenial discs that can expand up to 2 mm across, with...

of a pruinose or felted stroma that encloses multiple innate, disc-like ascomata. Syncesia afromontana Ertz, Killmann, Sérus. & Eb.Fisch. (2010) – Africa...

about 0.4 mm wide, and it induces gall formation on the host bark. The ascomata are pyriform, 0.2–0.4 mm wide and 0.5–0.7 mm high, mostly aggregated and...

layers of the peridium), suggesting a low degree of lichenisation. The ascomata are in the form of perithecia, which occur in aggregated groups of 5–20...

from others in Astrothelium are the bullate, gall-like thallus; and the ascomata that are immersed in large thallus verrucae that are covered by thallus...

and is not surrounded by a prothallus. The photobiont is trentepohlioid. Ascomata are erumpent from the thallus, completely carbonized, not striate, wavy...

helvetica. Atla wheldonii has a thin and poorly developed thallus, and ascomata in the forms or perithecia that are immersed in the thallus. Atla wheldonii...

microscope. The species is recognized by its rather prominent, partially open ascomata, verrucose periphysoids, and narrow ascospores. Its verrucose periphysoids...

molds with broadly spreading colonies, with abundant production of ascomata. Ascomata are superficial or immersed, perithecial and ostiolate or cleistothecial...

Hypocreales are usually recognized by their brightly colored, perithecial ascomata, or spore-producing structures. These are often yellow, orange or red....

the green algal genus Trentepohlia. The fungal reproductive structures (ascomata) appear as small, flask-shaped chambers called perithecia. These are usually...

approximately 0.4 mm wide and does not induce gall formation on the host bark. Ascomata are spherical, measuring 0.25–0.35 mm in diameter, single, and emergent...

The ascomata, or spore-producing structures, are of the trypethelioid type, characterised by their apical ostioles (small openings). These ascomata are...

structures (ascomata) are astrothelioid: several chambers are joined together and share fused, slightly off-center pores (ostioles). These joined ascomata form...

the first known to combine a brightly red ostiole with deeply immersed ascomata. This corticolous crustose lichen forms a thin, continuous thallus up to...

with a cortex surrounded by a thin (0.2 mm) black prothallus line. The ascomata are spherical, measuring 0.2–0.5 mm in diameter, and arranged in groups...

surface, and does not have a prothallus (a border around the thallus). The ascomata (fruiting bodies) are superficial (situated on the surface), globose (roughly...

ncbi.nlm.nih.gov. "Fissuroma maculans". www.uniprot.org. "Fig. 7 Fissuroma maculans (MFLU11-1143, holotype). a Ascomata on host..." ResearchGate. v t e...

greenish coloured thallus that is encircled by a thin black prothallus. The ascomata are in the form of short, highly branched lirellae that are immersed in...

The researchers suggested that the closed, flask-shaped fruiting bodies (ascomata) of Porinaceae might have evolved through neotenic evolution. This hypothesis...

of the lichen does not induce the formation of galls in its host. The ascomata are roughly spherical (globose) and typically aggregate in groups of about...

grow whitish, flattened branches that are 10–13 cm (3.9–5.1 in) long. The ascomata (spore-bearing structures) are sparse, usually occurring at the ends of...

trentepohlioid algae (i.e., from the green algal genus Trentepohlia. Its ascomata (fruiting bodies) are perithecioid in form, simple, and dispersed across...

an unidentified tree. The genus Compositrema is known for its compound ascomata with a brain-like appearance. This new species, C. borinquense, exhibits...

consists spherical green algae. The reproductive structures, known as ascomata, have a range from apothecial (open, disk-like) to perithecial (flask-like)...

described by William Nylander in 1867, as a species of Thelotrema. The ascomata of Cryptoschizotrema lichens are immersed-erumpent and rounded, with the...

0.2 mm wide, and does not induce gall formation on the host bark. The ascomata are roughly spherical, measuring 0.30–0.45 mm in diameter, mostly found...

three pairs of setulae, L. rangiferinae can be distinguished by its larger ascomata, smaller ascospores, predominantly 3-septate (rather than consistently...

Its reproductive organs, known as ascomata, are solitary and vary in shape from spherical to pear-shaped. The ascomata, ranging from 1.4 to 2.6 mm in diameter...

and narrower conidia, and from Abrothallus welwitschii by its smaller ascomata and smaller ascospores. The recorded hosts of the fungus are Nephroma parile...

has a greyish-green thallus that is cracked and covered with warts. Its ascomata are in the form of lirellae, which are the same colour as the thallus,...

apothecia and pycnoascocarps. Although Ellis had earlier illustrated the ascomata of C. schaereri as typical apothecia, pycnoascocarps were repeatedly observed...

demarcated cortical and medullary regions. The reproductive structures (ascomata) represent the most taxonomically significant feature of this species....

Schismatomma. Diromma dirinellum has a crustose thallus with a cortex. Its ascomata, which are immersed (or partly so) in the thallus, measure 0.2–0.6 mm in...

partner) is trentepohlioid (Trentepohlia-type). Sexual fruiting bodies (ascomata) and asexual spore-producing structures (pycnidia) have not been observed...

by their brightly coloured (usually red, orange or yellow), perithecial ascomata, or spore-producing structures. Nectria peziza has been recorded from Africa...

specific epithet haematodea refers to the blood-red external color of the ascomata. The body (thallus) is a thin, whitish crust that develops within the uppermost...

thallus that is glossy, cracked, and slightly verrucose. It has lirellate ascomata that are 1–6 mm long, simple to irregularly branched, and the same colour...

Jones in 1964. It is characterized by spherical, hyaline to cream-colored ascomata, broadly clavate or ellipsoidal, pedunculate asci and one-celled, ellipsoidal...

characterized by a lack of stroma, black perithecial ascomata with long necks or rarely with cleistothecial ascomata that lack paraphyses. They have roughly spherical...

rhizoidal hyphae attaching it to the substrate. The fruiting structures (ascomata) are apothecias immersed in the thallus with red to red-brown urn shaped...

from the type of that genus due to the presence of rounded to ellipsoid ascomata, which are often covered in white pruina, and a hyaline or pale hypothecium...

tomentum (short fungal hyphae with a texture similar to velvet) covering its ascomata, an unusual feature that sets it apart from other species within the genus...

(lichen-dwelling) parasite rather than the lichen-forming fungus itself, so the true ascomata of the genus were often treated as unknown. Using new molecular data, Ertz...

reduced to the point of being nearly invisible. Its reproductive bodies (ascomata) are black, typically grouped in clusters of 2–10, and feature side openings...

olive-greenish thallus lacking a prothallus, with spherical to pear-shaped ascomata that are either immersed in or on top of the thallus surface, typically...

with Pyrenula, where distosepta and thickened endospore is the norm. The ascomata (fruiting bodies) are carbonised (blackened and charcoal-like), usually...

reproduction found in some other lichens. The reproductive structures (ascomata) are numerous, sessile (attached directly to the surface without a stalk)...

geographicum as a host. Carbonea austroshetlandica has dispersed to aggregated ascomata, which are up to 0.3 mm in diameter, abruptly becoming convex with excluded...

its photosynthetic partner (photobiont). Sexual reproductive structures (ascomata) have not been seen. Instead, the species is recognised by its conspicuous...

Tibell recognised two subspecies: subsp. victorianum, with slightly stalked ascomata and smaller spores, and subsp. desidiosum, in which the fruiting bodies...

Constrictolumina planorbis has a thin, whitish thallus. Its fruiting bodies (ascomata) are solitary, 0.2–0.4 mm in diameter, and emerge slightly above the surface...

concave and thickened along the cracks so that they are almost flaking off. Ascomata are spherical, measuring 0.4–0.7 mm in diameter, and are solitary or aggregated...

wide prothallus line. The photobiont is a trentepohlioid green alga. The ascomata are solitary and superficial on the thallus, round to irregularly oval...

covering areas up to 10 cm in diameter, and are olive-green in colour. Ascomata are pyriform (pear-shaped), measuring 0.7–1.3 mm in diameter, single, and...

brown cells measuring 14–20 μm in diameter. The reproductive structures (ascomata) represent one of the species' most diagnostic features. These initially...

throughout the leaf, colonies of conidia on the surface of leaves, as well as ascomata and ascii are present on hosts as Schiffnerula cannabis runs its course...

morphologically similar Astrothelium annulare: both have immersed, globose ascomata with apical ostioles surrounded by a small whitish ring, but A. annulare...

occurring on top of the cortex and on the margins). They have characteristic ascomata which are mostly immersed but occasionally emergent. They have 4 to 8 spored...

unique combination of morphological features. These include its distinctive ascomata structure, ascus shape, and ascospore characteristics. Weddellomyces is...

grows directly on living leaves (foliicolous) and lacks a true cortex. Its ascomata are strikingly chroodiscoid: minute discs that split into several triangular...

in a pseudostroma with an inconspicuous to thin white rim; individual ascomata are rounded to short lirellate, and the discs are usually dusted with a...

Trentepohlia, is made up of irregularly grouped, yellowish-green cells. The ascomata, or fungal reproductive structures, has a complete thalline margin, and...

placement. Another lichen, which bears a superficial resemblance in the ascomata, was once placed in Pachyascus as P. byssaceus (Vězda) Vězda (1970); it...

collaborative paper on the genus Zopfiella. The fungus' imperfectly globose ascomata range from 180-300 μm in diameter containing a short broad neck and express...

the genus Chrysothrix; the species epithet refers to the ascomata, which are bluish grey ascomata and pruinose. Galbinothrix caesiopruinosa has a thin, discontinuous...

a green alga of the genus Trentepohlia – is sparse in the thallus. The ascomata are more or less spherical, and small (measuring 0.2–0.4 mm in diameter)...

and does not cause gall formation on the host bark. The fruiting bodies (ascomata) are more or less psherical (globose), 0.5–0.8 mm in diameter, produced...

much of the thallus as a hypothallus. The photobiont is trentepohlioid. Ascomata are sessile, completely carbonised, with striate labia, circular in outline...

(blistered) surface with gall-like swellings (pseudogalls). The fruiting bodies (ascomata) are trypethelioid and open through ostioles at the top. They are often...

whitish thallus marked by dark prothallus lines. Its fruiting bodies (ascomata) are solitary, measuring 0.8–1.1 mm in diameter and about 0.2–0.3 mm tall...

color and a very thin and glossy thallus. The algae are trentepohlioid. Ascomata were not observed during the study. However, the lichen has sessile pycnidia...

word), referring to the ascospores. Pisorisporium genera usually have an ascomata (the asci-bearing fruiting body) which is non-stromatic (not encased in...

species. The genus is distinguished by its unique, composite pseudostromatic ascomata (i.e., fruiting bodies with a stroma made of both thallus tissue and bits...

distinguished by its hamathecium, which is inspersed with oil droplets. The ascomata, measuring 0.4–0.6 mm in diameter, have a spherical centrum that is mostly...

look. Reproduction takes place in minute, almost spherical fruit-bodies (ascomata) scattered across the hyphal network. Each ascoma is 60–100 μm wide and...

surface that gives it a thickened, somewhat cartilaginous appearance. The ascomata are pleurothelioid and typically solitary, measuring about 0.7–1.0 mm in...

means "dog", and 'revelatum' which means "to reveal". Tuber canirevelatum ascomata, or truffles, are black to dark brown, ovoid, extremely warty, and 1–2 cm...

type locality near Kota Kinabalu in Malaysia. Although the presence of ascomata on the soredia might initially suggest a parasitic relationship, this was...

clusters of calcium oxalate crystals, and rounded to angular or lobate ascomata. The tribe includes two genera: Sanguinotrema and Reimnitzia. Previously...

round to oblong. The species produces black, elongated fruiting bodies (ascomata), which are initially cup-shaped but later develop into slit-like structures...

rounded to irregular, arranged in groups, and measuring 6–11 by 5–8 μm. The ascomata (fruiting bodies) are lirellate (elongated and furrowed), forming distinct...

underlying bark substrate. The species is characterised by its numerous ascomata (fruiting bodies), which are sessile and lirellate in form. These reproductive...

is trentepohlioid (a member of the green algal genus Trentepohlia). The ascomata are solitary and sit on the thallus surface, with a constricted base. They...

about 4–6 μm in diameter, 2–3-seriate (arranged in rows), but unordered. Ascomata and pycnidia were not observed to occur in this species. The chemical composition...

the ascomata and to the species' discovery in Japan. The species is characterized by its tiny, dome-shaped, scarlet-red fruiting bodies (ascomata) and...

presence of a thalline margin surrounding its reproductive structures (ascomata). While superficially resembling some members of the family Roccellaceae...

grey to grey thallus that lacks a cortex, but has a black prothallus. Its ascomata (ascospore-bearing structures) are aggregated in small clusters; it is...

appearance to P. luteopruinosa, but it lacks the yellow pruina, has larger ascomata (1.3–2.2 mm), and larger ascospores (16–24 x 8–13 μm). List of Pyrenula...

group is the name of a clade of closely related species that all have ascomata supported on relatively large and sturdy stalks, and spores with a distinctive...

by a prothallus, and does not induce gall formation on the host bark. Ascomata are spherical, measuring 0.4–0.7 mm in diameter, mostly aggregated in groups...

camponoti-rufipedis, but its fertile region is dark brown when mature. Its ascomata are semi-erumpent and flask-shaped, measuring up to 200 millimetres (7...

distinct set of reddish pigments associated with the fruiting bodies (ascomata). Grube made the new combination in 2001, transferring the species from...

have on the crop. Leptosphaeria sacchari produces globose to subglobose ascomata which can be up to 200 μm in size. Asci have an oblong-cylindric shape...

resin in texture and is bordered by a black prothallus line. It produces ascomata, which are immersed in groups within pseudostromata, and bears hyaline...

hydroxide (K+). Its algal partner belongs to the trentepohlioid group. The ascomata (fruiting bodies) of this species are perithecioid in form, simple, and...

layer, and a 40–50 μm-thick medulla filled with small, grey crystals. The ascomata are lirellate, erumpent, sparsely to irregularly branched, and weakly carbonized...

groups of species, which differ in thallus form, anatomy and the way their ascomata develop. As a result, the former Lempholemma species were redistributed...

thallus (0.1–0.3 mm thick) lacking pruina, and a chalk-like medulla. Its ascomata have a circular outline up to 1.5 mm in diameter, with a whitish-grey disc...

thallus that covers areas up to 5 cm (2 in) in diameter. It has pyriform ascomata, measuring 0.8–1.3 mm in diameter, which are immersed in pseudostromata...

goniocysts (clumps of photobiont cells surrounded by fungal hyphae). Its ascomata are in the form of perithecia that are 0.3–0.4 mm wide and grey in colour...

crustose thallus lacking a cortex, and with a cottony (byssoid) texture. The ascomata have a pedicel and have pale pink discs that lack differentiated margins...

trentepohlioid–a type of green algae. Reproductive structures such as ascomata and pycnidia have not been observed in this species. Aptroot, André; Feuerstein...

septation: it resembles E. macrosperma in having non-pruinose fruiting bodies (ascomata), but that species has only 7–12 septa; E. calamicola likewise lacks pruina...

forming a thin, pale film or a few scattered hyphae on weathered wood. The ascomata occur in close contact with colonies of green algae (chiefly Klebsormidium...

has a yellow to olive green thallus without a pseudocyphellae, and black ascomata often found in groups on two to six, with fused ostioles. It has irregularly...

herbivore dung or plant parts. Sordariaceae have dark, usually ostiolate ascomata, and unitunicate, cylindrical asci. Their ascospores are brown to black...

are also present, though in trace amounts. The reproductive structures (ascomata) are the most conspicuous features of Vigneronia. They appear as black...

greyish-white thallus covered by an epinecral layer, large apothecioid ascomata with exposed discs and thick, entire thalline margins, as well as a thin...

that at times is nearly squamulose or somewhat fruticose. Soralia and ascomata often appear side-by-side on the thallus; it is the only member of Dirina...

When soralia are present – typically when ascomata are absent – they are punctate (point-like). If ascomata are present, they have a circular putline...

yellowish-white, ecorticate thallus features spherical, erumpent, solitary ascomata measuring 0.2–0.4 mm in diameter, with an apical ostiole. The hamathecium...

exciting when the species was finally encountered fertile, producing not ascomata as expected but attractive, yellow-orange, mushroom-like basidiocarps"...

patches—likely abraded by exposure to strong sea winds. The fruiting bodies (ascomata) are usually produced singly, though some may occur in groups with fused...

and lacks a distinct outer cortex (ecorticate). The fruiting bodies (ascomata) are produced singly or occasionally in small lateral groups; they are...

the species in Endocarpon based on the cortex structure, even though no ascomata were found, and noted that it is the first Endocarpon species described...

apothecia that he described as "pyrenio-type conceptacles" (perithecioid ascomata). In sectioning he found the interior of the fruiting bodies white, and...

Pyriculariaceae that reproduce sexually form perithecial fruiting bodies (ascomata), which are immersed, black and with long cylindrical necks covered in...

cream-coloured with abundant oxalate crystals measuring 10–20 μm in diameter. Ascomata are punctiform or slightly comma-shaped, perithecioid, measuring 0.05 by...

(purplish) epithecioid layer, but differs in its immersed to erumpent ascomata with a slightly whitish pruinose disc, larger asci (40–57 × 10–18 μm),...

conidiomata with septate conidia of varying lengths but constant width. While ascomata (sexual reproductive structures) have not been observed in this species...

trentepohlioid algae, which provide nourishment through photosynthesis. The ascomata (fruiting bodies) are small, hemispherical, black fruiting bodies about...

characterised by its olive-green thallus—a type of vegetative tissue—and spherical ascomata, or fungal reproductive structures. It is most commonly found on tree bark...

thick cortex and medulla containing hyaline (translucent) crystals. The ascomata are spherical to pyriform, measuring 0.6–0.8 mm in diameter. The pseudostroma...

pores) and a prothallus (an outer growth margin). The fruiting bodies (ascomata) are produced singly, each with a small apical pore (ostiole). Inside,...

stromata (cushions) 0.5–2.5 mm wide that contain strings of many tiny ascomata; from above, only minute black ostioles (pin-prick openings) are visible...

authors characterised the species by its clustered sexual fruiting bodies (ascomata) and by comparatively small spores (ascospores) with three internal cross-walls...

12 μm in diameter, usually having a thick cell wall up to 3 μm. Neither ascomata (sexual fruiting bodies) nor pycnidia (asexual fruiting bodies) have been...

the thallus of the lichen Ramboldia cinnabarina. Their fruiting bodies (ascomata) are black and roughly circular, measuring about 180–300 μm in diameter...

not covered in any powdery residue (pruina). There are no soralia. The ascomata, which are the fruiting bodies of the lichen, are circular, sessile, and...

vegetation. The specific epithet fuscomarginatum refers to the rims of the ascomata pores, which are typically brown in colour. Leucodecton fuscomarginatum...

soredia and isidia. It grows in the sheltered cracks of the bark. The ascomata of the lichen are in the shape of a lirella (an elongated, narrow apothecium)...

cells that are angular-rounded and grouped irregularly or in clusters. The ascomata, or spore-producing structures, are perithecia, which means they are sessile...

cylindrical, dark brown at its base, and pinkish in the fertile upper part. The ascomata are immersed and flask-shaped, measuring up to 130 millimetres (5.1 in)...

hypothallus of Enterographa dokdoensis is typically indistinct or absent. The ascomata (fruiting bodies) of this lichen are open and shortly lirelline, sometimes...

The specific epithet immersum refers to the perithecioid nature of its ascomata (fruiting bodies), which are immersed in "a mat of cyanobacteria and chlorococcoid...

Graphidaceae as Schizotrema quercicola, establishing that the arthonioid ascomata are produced by an obligately lichenicolous fungus. Sequences of A. invadens...

distinguishable by its dark brown hue and a width spanning 0.1–0.2 mm. The ascomata (spore-producing structures) are dispersed relatively evenly across the...

anatomical and chemical features, though mature reproductive structures (ascomata and conidiomata) were not observed in the type specimen. The species was...

surrounded by a prothallus. It does not induce gall formation on the host bark. Ascomata are pyriform (pear-shaped), measuring around 0.6–1.2 mm in diameter. They...

that help provide nutrients through photosynthesis. This species produces ascomata (fruiting bodies) measuring about 0.6–1.1 mm across. These black fruiting...

about 0.2 mm wide and does not induce gall formation on the host bark. The ascomata are spherical, 0.4–0.6 mm in diameter, and immersed in groups of about...

known to occur in the type locality. The genus name alludes to the black ascomata that are similar to those in genus Arthonia, while the species epithet...

regions. This species is usually identified under a microscope by its white ascomata, and hyaline and globose ascospores . Like many other fungi, N. vreisii...

located between the upper and lower layers of the periderm. The minute ascomata are round and can be either immersed or barely erumpent. The disc is almost...

to pour. elf cups 1.   Ascomata of Pezizales. 2.  Scarlet elf cup: An ascoma of Sarcoscypha coccinea. 3.  Green elf cup: Ascomata of Helotiales, such as...

diameter. The mazaedium has a faint yellow pruina, particularly in young ascomata. The exciple is densely interwoven and heavily sclerotized, and the hypothecium...

partner) is trentepohlioid (Trentepohlia-type). Sexual fruiting bodies (ascomata) have not been observed. Campylidia are present and stain blue with iodine...

type of green algae that lives in symbiosis with the fungal partner). The ascomata (spore-producing structures) are solitary and superficial, with dimensions...

San José, Costa Rica. The species belongs to a genus characterised by ascomata that start out solitary and later aggregate into clusters (synascomata)...

base of Makarapan Mountain [ceb], on the bark of a Myrsinaceae tree. The ascomata of P. multiforme are 0.2–0.3 mm in diameter, with a spherical centrum that...

propagules in Nadvornikia lichens may be absent or present as soredia. The ascomata are rounded and can be either immersed or sessile, with or without a mazaedium...

brown ascospores. However, both share similarities, such as perithecioid ascomata, intertwined paraphysoids set within a hymenial gel matrix, and bitunicate...

perithecioid ascomata that are simple, dispersed, hemispherical, and emergent, with a diameter ranging from 0.2 to 0.3 mm. The colour of the ascomata is brown...

ranges from crustose to squamulose to peltate-somewhat umbilicate. The ascomata are in the form of apothecia, which are usually immersed in the thallus...

algal genus Trenteophlia. The reproductive structures in Sparria, the ascomata, are lirelliform (elongated and slit-like) to dendroid (tree-like) in shape...

olivaceous-brown colouration. It does not have a prothallus bordering it. The ascomata (fruiting bodies) are single, either globose or pear-shaped, measuring...

The ascomata (fruiting bodies) are immersed in the bark and pyriform (pear-shaped), measuring 0.4–0.55 mm in diameter. The walls of the ascomata are only...

leathery fruit bodies (ascomata) are 170–240 μm high by 200–300 μm wide, and are almost completely embedded in the host tissue. The ascomata have ostioles (openings)...

irregularly maculiform to indefinite ascomata (fruiting bodies) that grow on the sides of the branches of R. nigerrima. The ascomata measure 0.5–1.3 mm in diameter...

within clavate ascomata. The appearance of C.globosum fruiting bodies are similar to the pycnidia of the genus Pyrenochaeta. The ascomata optimally fructify...

surrounding the plant cells within the root cortex.[citation needed] The ascomata (fruit body) is a unique feature of T. anniae. The shape is subglobose...

organized lichen-like thallus. No sexual reproduction, conidiomata, or ascomata (fruiting bodies) have been observed. The fungus is adapted to the extreme...

prothallus and gall formation on the host bark. The sexual fruiting bodies (ascomata) are more or less spherical (globose), 0.3–0.5 mm in diameter, and grouped...

colourless to pale citrine sheath 4–6 μm thick. The fruiting bodies (ascomata) are perithecia, which are almost invisible to the naked eye and often...

photobiont layer. Ascomata are rounded to angular, erumpent, chroodiscoid, and have a complete thalline margin. The discs of the ascomata are partially exposed;...

prothallus. It does not cause swellings in the host bark. The fruiting bodies (ascomata) are solitary, superficial, more or less spherical (subglobose, and distinctly...

that is marked by distinct prothallus border lines. Its fruiting bodies (ascomata) are solitary, 0.5–0.6 mm in diameter and 0.2–0.3 mm tall, with walls 45–60 micrometres...

internally in vacuoles called asci (sing. ascus), found in pouches known as ascomata (sing. ascoma). The asexual form of T. concentricum is composed of irregularly...

the presence of specific chemicals. Its reproductive structures, called ascomata, are globose to pyriform (globe to pear-shaped), measuring 0.2–0.4 mm in...

lichen; their cells are yellowish green and measure 5–9 by 4–7 μm. The ascomata are lirellate, erumpent to prominent, and measure between 1 and 4.5 mm...

General description; Saprobic on submerged wood or driftwood. Sexual morph: Ascomata astromatic, perithecial, solitary or aggregated in small groups, immersed...

but differs in that it forms white, thin primary mycelium, has larger ascomata, up to 95 μm diameter, and 4–5(–8)-spored asci. The fungus was formally...

Pyrenula cryptothelia is characterized by melanothecoid, partly fused ascomata (fruiting bodies), typically occurring in groups of three or four. It has...

thallus is not present in Alloarthopyrenia, the region surrounding the ascomata may show a partial whitish hue. The sexual morph ascostromata has a leathery...

covered by a weft of hyphae, with or without the production of ascomata. The ascomata are greenish (immature) to black (mature) spore cysts produced on...

Latin Palma ("palm tree") and cola ("exists"), refers to its host. The ascomata (fruiting bodies) of the lichen are in the form of lirellae, which are...

actinostomus group (species with perithecioid ascomata), the scruposus group (species with urceolate or lecanoroid ascomata), and the ocellatus group (containing...

colour, bordered by distinct dark prothallus lines. Its fruiting bodies (ascomata) are solitary, 0.7–0.9 mm in diameter and about 0.2 mm tall, each with...

lirellate ascomata were classified based on spore pigmentation and septation (internal partitioning), as well as the organisation of the ascomata. This resulted...

a prothallus, but it does induce gall formation on the host bark. The ascomata are pyriform (pear-shaped), measuring about 0.6–0.9 mm in diameter, typically...

is 70–90 μm thick, and encrusted with crystals of calcium oxalate. The ascomata are lirellate, meaning they are elongated and slit-like, with a purplish-brown...

on the host bark. The reproductive structures of the lichen, known as ascomata, are spherical, ranging in size from 0.25 to 0.35 mm in diameter, and they...

smooth upper surface that is delimited by a dark brown prothallus line. The ascomata are rounded, 1–3 mm wide, and have a distinct thalloid margin. The ascospores...

of the lichen does not induce the formation of galls in the host. The ascomata are more or less spherical, measuring 0.2–0.5 mm in diameter. Typically...

1 mm wide. This species does not induce gall formation on the host bark. Ascomata are spherical, measuring 0.3–0.5 mm in diameter, and appear solitary or...

secondary metabolites, or no detectable lichen products. The lichen's ascomata take the form of narrow lirellae that emerge partly embedded and mature...

Puntarenas. The lichen has a smooth to uneven, olive-green thallus. Its ascomata occur solitarily, have an apical ostiole, and measure 0.7–1.5 mm in diameter...

the genus have ascomata that are perithecioid in form, often with blue-green pigment in the upper wall of the peridia. Their ascomata are either immersed...

very similar to Trypethelium marcidum, but differing in its astrothelioid ascomata (the lichen's fruiting structures). The lichen forms an olive-green, smooth...

(photobiont) is from the green algal genus Trentepohlia. The fruiting bodies (ascomata) are sunken in the thallus to slightly protruding (immersed to slightly...

Trentepohlia, known for their orangeish hue. The reproductive structures (ascomata) of these fungi can be found embedded in the lichen's surface (immersed)...

genus, Schrader mentioned the more or less spherical (subglobose), closed ascomata, and the crustose thallus. He included four species in the genus, only...

unique characteristics of this species are the prominent, minute, shiny ascomata that have a distinctive dimidiate involucrellum (the upper, often pigmented...

of the thallus is delimited by a thin, black hypothalloidal region. The ascomata, or fruiting bodies, are lirelline in form and immersed, matching the colour...

grey thallus that is 70–100 μm thick with a thin (5–10 μm) cortex. The ascomata are rounded, immersed in the substrate, and measure 0.2–0.3 mm in diameter...

fertile structures develop as solitary, elongated to lirellate (slit-shaped) ascomata (spore-producing fruiting bodies) along the margins, but centrally they...

hibernica specimens were different from the type species since they have ascomata (fruiting bodies) which are almost always in groups of two to six with...

host. Niesslia peltigerae produces small, flask-shaped fruiting bodies (ascomata) that sit directly on the upper surface of its host lichen. Each ascoma...

olive-brown, and smooth to slightly uneven. The spore-bearing structures (ascomata) are trypethelioid: each has a single chamber that opens through an apical...

thallus that lacks any visible prothallus lines. Its fruiting bodies (ascomata) are small, about 0.4 mm across and 0.15–0.20 mm tall, and break through...

that is, it lacks a differentiated outer cortex. Sexual fruiting bodies (ascomata) occur singly or, less often, with a few laterally fused; they are hemispherical...

smooth and devoid of any specific structures. Byssoloma fuscothallinum has ascomata that may vary in their level of immersion. When present, the apothecia...