|University of California, Berkeley|
|Jepson eFlora: Taxon page
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Index to accepted names and synonyms:
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|Family: Ophioglossaceae||View Description||Dichotomous Key|
|Genus: Botrychium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Botrychium ascendens W.H. Wagner
Leaf: sporophore, trophophore joined distal to mid-leaf; trophophore stalk < 1 mm, blade 1-pinnate, < 6 cm, < 1.5 cm wide, oblong to oblong-deltate, thin but firm, veiny, yellow-green, pinnae well separated, ascending, < 5 pairs, acutely wedge-shaped, not midribbed, side margins of basal pinnae converging at 30--90°, outer margins dentate, basal pinnae often with scattered marginal sporangia; sporophore 1--2-pinnate, oblong, branches short, stiffly erect, slightly to not overlapping, stalk +- = trophophore, sporangia crowded. Chromosomes: 2n=180.
Ecology: Moist meadows, open woodland near streams or seeps; Elevation: 1500--3200 m. Bioregional Distribution: s CaRH, c SNH, SNE; Distribution Outside California: to Alaska, Minnesota, eastern Canada.
eFlora Treatment Author: Donald R. Farrar
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Botrychium
Next taxon: Botrychium crenulatum
Citation for this treatment: Donald R. Farrar 2016. Botrychium ascendens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=15910, accessed on February 06, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 06, 2016.