Comments
provided by eFloras
Botrychium crenulatum is commonly associated with B . simplex in California. In the Wallowa Mountains of Oregon it occurs with B . ascendens , B . lunaria , and B . minganense .
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Trophophore stalk 0.5--7 mm; blade yellow-green, oblong, 1-pinnate, to 6 × 2 cm, thin, herbaceous. Pinnae to 5 pairs, spreading, well separated, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, basal pinna pair approximately equal in size and cutting to adjacent pair, broadly fan-shaped, undivided to tip, margins mainly crenulate to dentate, proximal pinnae with 1 or more shallow incisions, apex rounded, apical lobe linear to linear-cuneate, well separated from adjacent lobes, venation like ribs of fan, midrib absent. Sporophores 1--2-pinnate, 1.3--3 times length of trophophore. 2 n =90.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Ariz., Calif., Idaho, Mont., Oreg., Nev., Utah, Wash., Wyo.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Leaves appearing in mid to late spring, dying in late summer; in extremely dry years of shorter duration or not appearing at all. Local in marshy and springy areas; 1200--2500m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA