Erigeron compositus Pursh var. penicillatus BeamanMontana: Granite County: 3 miles north of Bearbouth [sic], on highway no. 10.
Dry, open, rocky east exp. Phenology: Flowering.
Isotype: Erigeron compositus Pursh var. penicillatus Beaman. Ined. (Name not in Gray Card Index or Index Kewensis.)A. Melby 1, Apr 29, 1939
With G. Mead & G. Jackson
COLO, Accession: 8507, Barcode: COLO00429738