Sceptridium oneidense
(Redirected from Botrychium oneidense)
Sceptridium oneidense | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | Polypodiophyta |
Class: | Polypodiopsida |
Order: | Ophioglossales |
Family: | Ophioglossaceae |
Genus: | Sceptridium |
Species: | S. oneidense
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Binomial name | |
Sceptridium oneidense (Gilbert) Holub
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Synonyms | |
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Sceptridium oneidense, the blunt-lobed grapefern, is a fern species in the family Ophioglossaceae.[1]
Description
The leaf blades of S. oneidense are ternately compound. The spores mature in late fall in panicles that rise above the sterile fronds.
Taxonomy
At first, S. oneidense was considered a variety of Botrychium dissectum, then a form of it, then possibly a hybrid species. However, after a more detailed study by Wagner in 1961, it was considered its own species.
Distribution and habitat
S. oneidense grows in moist woodlands in eastern United States and Canada from New Brunswick to Ontario and south to North Carolina. In Canada, it is a relatively rare species, usually only found in large groups of Botrychium obliquum.[2]
References
- ^ 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. doi:10.11646/phytotaxa.19.1.2.
- ^ Cody, William; Britton, Donald (1989). Ferns and Fern Allies of Canada. Agriculture Canada.
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- Ophioglossaceae
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