Orobanchaceae GH: 01878474 Castilleja pallescens (A. Gray) Greenman USA: Montana Nixon Gulch, Horseshoe Hills, north of Manha... F. W. Pennell & F. B. Cotner 20489 1937-6-20
GH: 01878473 Castilleja pallescens (A. Gray) Greenman USA: Montana head Nixon Gulch, Horseshoe Hills, north of ... F. W. Pennell & F. B. Cotner 204090 1937-6-20
GH: 01878945 Castilleja rhexifolia Rydberg USA: Montana divide between Rocky & Bridger Mountains, ea... F. W. Pennell & F. B. Cotner 20514 1937-6-22
GH: 01879648 Castilleja sp. Linnaeus USA: Montana Spanish Basin, near Gallatin Canyon F. W. Pennell & F. B. Cotner 20486 1937-6-19
GH: 01879647 Castilleja sp. Linnaeus USA: Montana head of Nixon Gulch, Horseshoe Hills, north ... F. W. Pennell & F. B. Cotner 20491 1937-6-20
GH: 01879644 Castilleja sp. Linnaeus USA: Montana Tobacco Root Mountains, above Pony F. W. Pennell & F. B. Cotner 20506 1937-6-21
GH: 02078037 Pedicularis racemosa Douglas ex Bentham USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 21362 1937-9-1
Plantaginaceae GH: 00466456 Besseya wyomingensis (A. Nelson) Rydberg USA: Montana Spanish Basin, near Gallatin Canyon F. W. Pennell & F. B. Cotner 20487 1937-6-19
GH: 00466457 Besseya wyomingensis (A. Nelson) Rydberg USA: Montana Tobacco Root Mountains, above Pony F. W. Pennell & F. B. Cotner 20495 1937-6-21
GH: 02002218 Penstemon aridus Rydberg USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20481 1937-6-19
GH: 02002403 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20507 1937-6-22
GH: 02002402 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20494 1937-6-21
GH: 02002400 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 21361 1937-9-1
GH: 02002399 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 21359 1937-9-1
GH: 00091252 Penstemon eriantherus grandis Pennell & D. D. Keck USA: Montana Divide between Rocky and Bridger Mountains, ... F. W. Pennell & F. B. Cotner 20511 1937-6-22
GH: 02119406 Penstemon eriantherus grandis Pennell & D. D. Keck USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20485 1937-6-19
GH: 02119405 Penstemon eriantherus grandis Pennell & D. D. Keck USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20482 1937-6-19
GH: 02119404 Penstemon eriantherus grandis Pennell & D. D. Keck USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20518 1937-6-22
GH: 02119403 Penstemon eriantherus grandis Pennell & D. D. Keck USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 21356 1937-9-1
GH: 02121061 Penstemon montanus Greene USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20519 1937-6-22
GH: 02121800 Penstemon procerus Douglas ex Graham USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20509 1937-6-22
GH: 02121798 Penstemon procerus Douglas ex Graham USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 20484 1937-6-19
GH: 01804514 Synthyris dissecta Rydberg USA: Montana [data not captured] F. W. Pennell & F. B. Cotner 21366 1937-9-1