Ipomopsis congesta (Hook.) V.E. Grant ssp. crebrifolia (Nutt.) Day
Annotated by Matt Lavin, 28 Jul 2017. Remarks: From Lynn Kinter, email to Matt Lavin on 8 Mar 2016: Collected by Nuttall at "Dividing river. Big Sandy R of the Colorado of the W". Big Sandy River heads up on the Continental Divide in the Wind River Mountains. Apparent duplicate at HUH - label indicates “Big Sandy (Colorado) Rocky Mtns Divide” and “Coll. Nuttall.” Day (1980) places the type in Sweetwater County, Wyoming, collected by Nuttall in late June 1834. Day lists an isotype at NY.

Montana: [locality and coordinates withheld; status in Montana: S2S3 (Rare; MTNHP)],
Phenology: Flowers. Type specimen (basionym and designation not recorded).

A. Gray s.n., [collection date not given]
MONT, Accession: 24081