Trifolium plumosum Douglas ex. Hook. var. amplifolium J.S. Martin
Annotated by C. R. Bjork, Jul 2009.

Idaho: Lewis County: [locality and coordinates withheld; status in Idaho: S2 (Imperiled; IDNHP)],
Ca. 1 acre of open Palouse Prairie remnant; in more mesic microsites very rich in forbs, within a Festuca idahoensis/Geum triflorum community; W aspect, 10% slope, silt/loam (loess) soils; with Festuca idahoensis, Geum triflorum, Potentilla gracilis, Haplopappus liatriformis, Hieracium albertinum, Poa pratense, Silene spaldingii, Achillea millefolium, Gallardia aristata, Koeleria cristata and Lupinus sp. 1 acre of excellent Prairie remnant with lush native vegetation. Ca. 75 plants scattered. Perennial herb with rust flowers in a large inflorescence, past flower, 3-4 tall. Phenology: Flowers.

Christine C. Lorain 2150, Sep 13, 1990
ID, Accession: 102999, Barcode: ID046287