Arnica chamissonis Less.

US
313
Ray J Davis Herbarium, Idaho Museum of Natural History [IDS]
IDAHO, U.S.A.
) Flora of the Island Park Geothermal Study Area
Arnica chamissonis Less.
det. by Gordon S. Whitehead, 15 JUL 1978, FPNW
FREMONT CO.
Site 136. Inlet along shore of the Island Park Reservoir on the
north side of Thurbum Ridge; Elevation 1890m. Moist open
clear cuts to marshy ground or shallow water.
T13N R42E S25 SE1/4 III 44.41707° N -111.44496° W
[WGS84] ± 500 m. <estimate from BioGeomancer>
The Subspecies is foliosa (Nutt.) Maguire. The variety is foliosa
("Gray). Voucher: Whitehead, G.S. 1983. M.S., Idaho State U.
Associated with Gayophytum diffusum, Calochortus nuttallii,
and Polygonum douglasii, or with Carex lanuginosa, Veronica
scutellata and Juncus longistylis ; or with Eleocharis palustris,
Utricularia vulgaris and Carex rostrata,
Gordon S. Whitehead 1537	15 JUL 1978
ASTERACEAE
04319523