| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Penstemon procerus Douglas ex Graham var. procerus | W. N. Suksdorf 264 02 Aug 1921 | United States of America. Montana. Gallatin Co. Wallrock Basin, about 12 miles northwest of Wilsall. | 570087 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | W. Moses s.n. 20 Jul 1894 | United States of America. Big Horn Mountains. | 772327 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | D. V. Clark 163 14 Jul 1968 | United States of America. Montana. Beaverhead Co. East of Lost Trail Pass at Trail Creek meadows near Hogan R. S. along forest road northeast of R.S. | 651345 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | D. V. Clark 278 26 Jun 1969 | United States of America. Montana. Beaverhead Co. East of Lost Trail Pass at Trail Creek meadows near Hogan R. S. along forest road northeast of R.S. | 651347 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | A. Nelson 1098 with Ruth A. Nelson, 17 Jun 1934 | United States of America. Wyoming. East side of the Big Horn Mountains, west of Buffalo. | 651409 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | N. H. Holmgren 13982 with Patricia K. Holmgren, 07 Jul 2000 | United States of America. Idaho. Caribou Co. Caribou Range, 3 km (1.9 miles) up the Tincup Creek Road from State Route 34, near the bridge, 7 km (4.5 miles) air distance east of Wayan. | 651363 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | R. L. Hartman 8431 08 Jul 1978 | United States of America. Wyoming. Fremont Co. Green Mountains; 1.3 miles west of Wild Horse Overlook. | 651395 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | P. C. Lesica 9201 22 Jun 2005 | United States of America. Montana. Chouteau Co. In meadows along Shonkin Creek ca. 12 miles southwest of Geraldine. | 833948 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | E. Elliott 2487 with with Ken Elliott., 06 Jul 2007 | United States of America. Montana. Gallatin Co. Gallatin Range: Gallatin National Forest: along Grotto Falls Trail, from trailhead at end of Forest Road 62, ca. 17 air mi. SSE of Bozeman. | 02394250 | ||
| Penstemon procerus Douglas ex Graham var. procerus | N. H. Holmgren 16610 with Patricia K. Holmgren, 08 Aug 2015 | United States of America. Montana. Beaverhead Co. Beaverhead Mountains, State Route 43, along Joseph Creek, about 32 km (20 mi) road distance west of Wisdom. | 02503192 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | N. H. Holmgren 16611 with Patricia K. Holmgren, 08 Aug 2015 | United States of America. Montana. Beaverhead Co. Pioneer Mountains, Big Hole Pass, along State Route 278, about 17.5 km (10.8 mi) road distance east of Jackson. | 02503193 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | C. C. Freeman 24723 21 Jul 2013 | United States of America. Colorado. Park Co. Bruno Gulch Road, 0.2 mi W of jct with Forest Road 118, ca 6.1 air mi NW of Grant. Large meadow W of Geneva Creek. | 02631906 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | N. H. Holmgren 16851 with Patricia K. Holmgren, 19 Jul 2018 | United States of America. Wyoming. Teton Co. Rocky Mountains, along Turpin Meadows Ranch Road, 0.5 km (0.3 miles) north of U.S. Highway 26 at junction of Fourmile Meadow Road. | 03875512 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | B. Ertter 22585 | United States of America. Idaho. Custer Co. Head of Little Lost River Valley, Summit Creek Flood channel extending 0.2 mi W of Sawmill Canyon Rd crossing. | 04189620 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | N. D. Atwood 1965 15 Jul 1969 | United States of America. Wyoming. Albany Co. 7 miles north of highway 230 on Lake Owen turn-off. | 651397 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | T. G. Yuncker 5434 22 Jun 1935-30 Jun 1935 | United States of America. Wyoming. In pasture, near Moran. "Jackson Hole", vicinity of Jackson Lake and on the lower slopes of the Teton Mountains. | 651414 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | R. E. McCoy 16364 | United States of America. Idaho. Lemhi Co. Salmon Challis Forest, Lemhi Range. ΒΌ mile E of FR 101 on FR 523. Site 1, WP#1. | 04189619 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | T. S. Brandegee 144 1871 | United States of America. Colorado. Breckenridge. | 651430 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | E. Bourgeau s.n. 1837-1838 | Canada. Saskatchewan. | 651464 |  | |
| Penstemon procerus Douglas ex Graham var. procerus | J. Jewell 69474 with Jean Jewell, 26 Jun 1994 | United States of America. Wyoming. Albany Co. Medicine Bow Mountains southwest of Hat Creek Park. Confluence of Hat Creek and Douglas Creek. | 651402 |  |