Botrychium paradoxum

Botrychium paradoxum
Vulnerable
Vulnerable (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Ophioglossales
Family: Ophioglossaceae
Genus: Botrychium
Species:
B. paradoxum
Binomial name
Botrychium paradoxum

Botrychium paradoxum is a species of fern in the family Ophioglossaceae[2] known by the common name peculiar moonwort. It is native to North America, where there are scattered occurrences in Alberta, British Columbia, Saskatchewan, Montana, Oregon, Utah, Washington, and Wyoming.[3]

This plant is unique among the moonworts. While other species generally produce one fertile frond and one sterile, this species produces only the fertile frond. This frond has two segments, both bearing spores.[4] The plant grows up to 15 centimeters (5.9 in) tall. As the leaflike sterile frond is absent, the plant likely obtains much of its energy from mycorrhizae instead of photosynthesis.[3]

This fern grows in the montane, subalpine, and alpine zones in snowfields and western red cedar forests.[4][3]

Taxonomy

Botrychium paradoxum was first described by Herb Wagner in 1981, based on a specimen collected by him in the Deerlodge National Forest.[5]


References

  1. ^ "NatureServe Explorer". NatureServe Explorer Botrychium montanum. NatureServe. 2022. Retrieved 22 May 2022.
  2. ^ Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. Bibcode:2011Phytx..19....7C. doi:10.11646/phytotaxa.19.1.2.
  3. ^ a b c Botrychium paradoxum. The Nature Conservancy.
  4. ^ a b Wagner Jr., Warren H.; Wagner, Florence S. (1993). "Botrychium paradoxum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 2. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  5. ^ Wagner, W. H. Jr.; Wagner, F. S. (1981). "New Species of Moonworts, Botrychium subg. Botrychium (Ophioglossaceae), from North America". American Fern Journal. 71 (1): 20–30.
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