E-Flora BC: Electronic Atlas of the Flora of British Columbia

Botrychium ascendens W.H. Wagner
upswept moonwort (trianglelobe moonwort)
Ophioglossaceae (Adder's-tongue family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #52893)

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Distribution of Botrychium ascendens
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Species Information

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General:
Deciduous perennial, 5-13 cm tall.
Sporophores:
2-pinnate, 1.5-2 times the length of trophophores.
Trophophores:
Lanceolate, short stalked, the tips toothed; blades 1-pinnate; pinnae in 3 to 5 well-separated pairs, strongly ascending with minutely toothed margins, often shallowly incised.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist grassy fields and meadows in the lowland and montane zones; rare in SW and SE BC; N to AK, disjunct in ON, S to CO, ID, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Botrychium ascendens

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
Site Information
 Value / Class

Minimum

Average

Maximum
Elevation (metres) 1195 1703 2212
Slope Gradient (%) 0 6 12
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		12 11 12
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		5 6 8
Modal Nutrient Regime
Class		 C
Number of field plots
 species was recorded in:		 2
Modal BEC Zone Class
 MS
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1), MS(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Flora North America treatment for Ophioglossaceae
 Flora North America treatment for Botrychium ascendens
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-09 5:24:44 PM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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