Penstemon eriantherus Pursh var. grandis Pennell & D.D. Keck

Montana: Gallatin County: Divide between Rocky & Bridger Canyons, Bridger Mountains, E of Bozeman. Elev. 1768-1829 m.
Isotype. isotype.

F. W. Pennell s.n., 22 Jun 1937
With F. B. Cotner
NY, Barcode: 00091089

Penstemon eriantherus F.W. Gould var. grandis Pennell & Keck

Montana: Gallatin County: Divide between Rocky and Bridger Canyons, Bridger Mountains, east of Bozeman. Elev. 5800-6000 feet
45.67972° N, 111.03778° W
Coordinate Source: Estimated.
Black soil over limestone. Isotype. Bulletin of the Torrey Botanical Club 65(4): 251. 1938. Isotype.

Pennell, Francis W. 20511, Jun 22, 1937
With F. B. Cotner
WS, Accession: 160311

Penstemon eriantherus Pursh var. grandis Pennell & D. D. Keck

Montana: Gallatin County: Bridger Mtns. E of Bozeman: Divide between Rocky & Bridger Canyons. Elev. 5800-6000 ft.
Black soil over limestone. Phenology: Flowering. Isotype: Penstemon eriantherus Pursh var. grandis Pennell & D. D. Keck. Published 1938. Bull. Torrey Bot. Club 65: 251. 1938.

Francis W. Pennell 20511, Jun 22, 1937
With F. B. Cotner
RM, Accession: 200493, Barcode: RM0004206