| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | W. H. Baker 6743 02 Jun 1950 | United States of America. Washington. Asotin Co. Breaks of the Grand Ronde River, ca. 6 miles southwest of Anatone. | 600337 |  | |
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | D. D. Keck 810-C 27 Aug 1927 | United States of America. Washington. Klickitat Co. 2 miles northeast of Bingen, 100 ft. above the Columbia River. | 600339 |  | |
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | K. A. Vincent 4408 08 Jun 1987 | United States of America. Oregon. Baker Co. Juniper Mountain; along Dixie Creek and road from Nelson Station Quarry to Rye Valley, ca. 2.7 miles southwest of junction I-84, site ca. 4 air miles west-northwest of Weatherby. | 600340 |  | |
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | W. H. Baker 6040 27 May 1949 | United States of America. Oregon. Wallowa Co. Blue Mountains, ca. 15 miles north of Enterprise. | 600343 |  | |
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | A. Cronquist 6552 11 Jun 1950 | United States of America. Oregon. Baker Co. Along Pine Creek, just above the mouth of Fish Creek, between Halfway and Homestead. | 600345 |  | |
| Penstemon glandulosus Douglas ex Lindl. var. glandulosus | C. A. Wellner 3432 03 Jun 1985 | United States of America. Idaho. Adams Co. Lost Basin Grassland, Payette National Forest. | 600324 |  | |
| Penstemon confusus M.E.Jones | S. Goodrich 11438 11 Jun 1978 | United States of America. Nevada. White Pine Co. Sacramento Pass; Highway 50; about 20 miles northwest of Baker. | 584991 |  | |
| Penstemon confusus M.E.Jones | A. P. Pinzl 3061 16 Jun 1980 | United States of America. Nevada. Nye Co. 5.8 road miles east of Nyala Road (FAS 827) on road along Ox Spring Wash. | 585002 |  | |
| Penstemon confusus M.E.Jones | A. P. Pinzl 3117 17 Jun 1980 | United States of America. Nevada. White Pine Co. Egan Range, east side of Ward Mountain, 0.8 mile west of Cave Valley Road. | 584982 |  | |
| Penstemon confusus M.E.Jones | A. P. Pinzl 3214 19 Jun 1980 | United States of America. Nevada. White Pine Co. White Pine Range, Ellison Creek, 1.3 road miles southwest of Ellison Ranger Station turnoff. | 584988 |  | |
| Penstemon confusus M.E.Jones | B. F. Harrison 13317 12 Jun 1980 | United States of America. Nevada. White Pine Co. Spring Valley, 2.6 miles south of Majors Place, 2.1 miles west of US Highway 93. | 584999 |  | |
| Penstemon angustifolius var. dulcis Neese | D. Tilley 600 with D. Atwood, 13 Jun 1999 | United States of America. Utah. Millard Co. Highway 125 Mile marker 8, just south of Oak City. | 584977 |  | |
| Penstemon confusus M.E.Jones | W. P. Cottam 8412 08 Apr 1941 | United States of America. Nevada. Clark Co. Key West Mine. | 584989 |  | |
| Penstemon confusus M.E.Jones | B. F. Harrison 13302 with K. H. Thorne, 12 Jun 1980 | United States of America. Nevada. Lincoln Co. Lake Valley, 0.5 mile north of Dutch John Mountain. | 584983 |  | |
| Penstemon confusus M.E.Jones | K. H. Thorne 868 with B. F. Harrison, 08 May 1980 | United States of America. Nevada. Nye Co. Coal Valley, bajada on west side of Timber Mountain Pass. | 584986 |  | |
| Penstemon utahensis Eastw. | R. K. Gierisch 4157 04 Apr 1978 | United States of America. Arizona. Mohave Co. Lime Kiln Canyon. | 584959 |  | |
| Penstemon confusus M.E.Jones | A. Tiehm 3416 02 Jun 1977 | United States of America. Nevada. Lincoln Co. 1.5 road miles north of Caliente on highway 93. | 584994 |  | |
| Penstemon confusus M.E.Jones | M. E. Jones 1819 24 Jun 1880 | United States of America. Utah. Frisco. | 584964 |  | |
| Penstemon confusus M.E.Jones | E. J. Neese 16569 with J. E. Neese, 19 Apr 1985 | United States of America. Arizona. Mohave Co. Ca. 11 miles south-southeast of Mesquite, NV, in Lime Kiln Canyon. | 584960 |  | |
| Penstemon confusus M.E.Jones | A. P. Pinzl 9506 12 Jun 1991 | United States of America. Nevada. White Pine Co. White Pine Range, Cathedral Canyon, about 1/2 road mile northeast of Freedland Canyon turnoff. | 584987 |  | |
| Penstemon confusus M.E.Jones | S. L. Welsh 20482 21 May 1981 | United States of America. Utah. Beaver Co. Ca. 5 miles south-southwest of Frisco ghost town and 2 miles south-southwest of Squaw Peak. | 584961 |  | |
| Penstemon confusus M.E.Jones | S. Cox s.n. with Frank Smith, 27 Jun 1981 | United States of America. Utah. Beaver Co. Pine Valley. | 584963 |  | |
| Penstemon confusus M.E.Jones | K. H. Thorne 4715 with D. Nelson, 01 Jun 1986 | United States of America. Utah. Washington Co. Northwest slope of Bull Mountains, ca. 14 miles west of Enterprise, Pine Park turn-off. | 584965 |  | |
| Penstemon confusus M.E.Jones | E. J. Neese 15633 02 Jun 1984 | United States of America. Utah. Sevier Co. 7 airmiles southeast of Salina. | 584966 |  | |
| Penstemon confusus M.E.Jones | E. J. Neese 15689 04 Jun 1984 | United States of America. Utah. Iron Co. 4 miles east of Cedar City along Cedar Creek (Highway 14). | 584967 |  | |
| Penstemon confusus M.E.Jones | A. Cronquist 11960 30 May 1985 | United States of America. Utah. Millard Co. At the pass in the Confusion Range along U.S. Highway 6, ca. 105 road km west of Delta, and ca. 35 road km east of the Nevada line. | 584968 |  | |
| Penstemon confusus M.E.Jones | B. Neely 2093 with Jeanne Chambers, 28 May 1984 | United States of America. Utah. Millard Co. Antelope Valley, north of Wild Horse Range. | 584969 |  | |
| Penstemon confusus M.E.Jones | A. Taye 1932 23 May 1984 | United States of America. Utah. Piute Co. Tushar Mountains, Big Rock Candy Mountain. | 584970 |  | |
| Penstemon confusus M.E.Jones | L. C. Higgins 20368 with D. Atwood & S. Welsh, 04 Jun 1999 | United States of America. Utah. Iron Co. Pace Draw. | 584971 |  | |
| Penstemon confusus M.E.Jones | L. C. Higgins 20129 with D. Atwood & S. Welsh, 05 May 1999 | United States of America. Utah. Washington Co. South slope of Pine Valley Mountains. | 584972 |  | |
| Penstemon higginsii (Neese) N.H.Holmgren & N.D.Atwood | L. C. Higgins 14392 18 Jun 1984 | United States of America. Utah. Washington Co. Pine Valley Mountains, along Forsyth Creek, 3 miles south, Pine Valley. | 584973 |  | |
| Penstemon confusus M.E.Jones | M. J. Williams 80362 24 May 1980 | United States of America. Nevada. Lincoln Co. East of Highway 93, northeast of Caliente. About 1.1 miles east of Highway 93 on road to Beaver Dam State Park, turn north about 1/2 mile south of Peck. | 584978 |  | |
| Penstemon confusus M.E.Jones | M. J. Williams 8084 with Susan Cochrane & Arnold Tiehm, 09 May 1980 | United States of America. Nevada. Nye Co. Railroad Valley, 3.4 miles southwest of Lockes, northwest of Highway 6. | 584979 |  | |
| Penstemon confusus M.E.Jones | M. J. Williams 80 793 17 Jun 1980 | United States of America. Nevada. White Pine Co. Highway 50 northwest of Sacramento Pass. | 584980 |  | |
| Penstemon confusus M.E.Jones | M. J. Williams 8761 with Arnold Tiehm, 16 May 1987 | United States of America. Nevada. Lincoln Co. Spring Valley, north of Ursine on road to Eagle Valley Reservoir. | 584981 |  | |
| Penstemon confusus M.E.Jones | B. F. Harrison 13317 with K. H. Thorne, 13 Jun 1980 | United States of America. Nevada. White Pine Co. Spring Valley, 2.6 miles south of Majors Place, 2.1 miles west of US Highway 93. | 584984 |  | |
| Penstemon confusus M.E.Jones | B. F. Harrison 13317 with K. H. Thorne, 13 Jun 1980 | United States of America. Nevada. White Pine Co. Spring Valley, 2.6 miles south of Majors Place, 2.1 miles west of US Highway 93. | 584985 |  | |
| Penstemon confusus M.E.Jones | A. Tiehm 3416 02 Jun 1977 | United States of America. Nevada. Lincoln Co. 1.5 road miles north of Caliente on Highway 93. | 584990 |  | |
| Penstemon confusus M.E.Jones | L. M. Shultz 7108 with J. S. Shultz, 02 Jun 1983 | United States of America. Nevada. Lincoln Co. East of Deer Lodge Canyon in the Mahogany Mountains. | 584993 |  | |
| Penstemon confusus M.E.Jones | A. Tiehm 6910 16 May 1982 | United States of America. Nevada. Lincoln Co. Northeast end of the Pahranagat Range, 511 road miles southwest of highway 38 on road to Coal Valley. | 584995 |  | |
| Penstemon confusus M.E.Jones | A. Tiehm 7662 17 May 1983 | United States of America. Nevada. Lincoln Co. North end of the Meadow Valley Mountains, 13.9 road miles northeast of highway 93 on the road to Elgin, then 2 road miles south. | 584996 |  | |
| Penstemon confusus M.E.Jones | M. J. Williams 82 1621 with Arnold Tiehm, 18 Jun 1982 | United States of America. Nevada. Lincoln Co. 0.4 mile southeast of Panaca Summit, near State Route 319. | 584997 |  | |
| Penstemon confusus M.E.Jones | N. H. Holmgren 4166 with Patricia K. Holmgren, 06 Jun 1970 | United States of America. Nevada. White Pine Co. Egan Range, about 30 airline miles north of Ely. | 585000 |  | |
| Penstemon isophyllus B.L.Rob. | H. E. Seaton 172 05 Aug 1891 | Mexico. Mt. Orizaba. | 773114 |  | |
| Penstemon isophyllus B.L.Rob. | H. H. Iltis 1142 with Robert Koeppen Frank Iltis, 20 Aug 1960 | Mexico. Oaxaca. Terribly eroded and overgrazed slope below Pan-Am. Highway at Puerto Herrera (km 420), just nortwest of Vanhuitlan. | 773109 |  | |
| Penstemon isophyllus B.L.Rob. | F. Ventura A. 2111 15 Aug 1970 | Mexico. Puebla. Ciudad Serdán. | 773115 |  | |
| Penstemon isophyllus B.L.Rob. | L. W. Lenz 18708 27 Nov 1953 | United States of America. California. Rancho Santa Ana Botanic Garden. | 773107 |  | |
| Penstemon isophyllus B.L.Rob. | L. W. Lenz 18708 27 Nov 1953 | United States of America. California. Rancho Santa Ana Botanic Garden. | 773106 |  | |
| Penstemon isophyllus B.L.Rob. | L. W. Lenz 18708 27 Nov 1953 | United States of America. California. Rancho Santa Ana Botanic Garden. | 773108 |  | |
| Penstemon isophyllus B.L.Rob. | E. K. Balls B5426 07 Aug 1938 | Mexico. Veracruz. Los Molinos, Perote. | 773116 |  | |
| Penstemon isophyllus B.L.Rob. | E. Lehto L21998 with D. J. Pinkava, B. Parfitt & T. Reeves, 02 Aug 1977 | Mexico. Veracruz. Mex 150-D, 0.4 mile east of Puebla-Vera Cruz state line. | 773118 |  | |
| Penstemon isophyllus B.L.Rob. | C. G. Pringle 8568 13 Aug 1901 | Mexico. Puebla. Above Chalchicomula. | isotype | 130573 |  |
| Penstemon isophyllus B.L.Rob. | D. E. Breedlove 26743 01 Aug 1972 | Mexico. Oaxaca. 13 km north of Telixtlahuaca along road to Cuicatlán. | 773101 |  | |
| Penstemon isophyllus B.L.Rob. | D. E. Breedlove 69621 26 Aug 1988 | Mexico. Oaxaca. 52 km west of Tlaxiaco on road to Putla. | 773102 |  | |
| Penstemon isophyllus B.L.Rob. | R. M. Straw 1041 with David P. Gregory, 25 Jul 1957 | Mexico. Oaxaca. Ca. 11 miles south of Nochixtlan on Mex. Highway 190. | 773110 |  | |
| Penstemon isophyllus B.L.Rob. | E. K. Balls B5426 with W. B. Gourlay, 07 Sep 1938 | Mexico. Los Molinos, Perote, Ver. | 773111 |  | |
| Penstemon isophyllus B.L.Rob. | E. K. Balls B5398 with W. B. Gourlay, 31 Aug 1938 | Mexico. Los Chinos, San Manuel de la Sierra, Sierra Negra, Pue. | 773112 |  | |
| Penstemon isophyllus B.L.Rob. | C. E. Smith, Jr. 5038 with Susan Kitchen, 05 Aug 1970 | Mexico. Nochixtlan Valley. Next to cattle yard near Llano Verde. | 773113 |  | |
| Penstemon isophyllus B.L.Rob. | J. I. Calzada 2485 with F. Lozano, 22 Jun 1976 | Mexico. Veracruz. En el Mal Pais, Carreieba Papa Tepeyahualco, Totalco. | 773117 |  | |
| Penstemon superbus A.Nelson | L. A. McGill LAM1908 with Sommerfeld, et al., 18 Mar 1978 | United States of America. Arizona. Greenlee Co. Along San Francisco River, ca. 4 miles north of Clifton near Ash Spring Canyon. | 662062 |  |