| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 45354 24 Oct 2001 | United States of America. Arkansas. Izard Co. NE corner of Devil's Knob-Devil's Backbone Natural Area, along Co. Rd. 12, 1.2 mi NNW of AR 9. | 761371 | ||
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 46599-A 04 Nov 2002 | United States of America. Missouri. Maries Co. Spring Creek Gap Conservation Area east of County Road 340 (Old Hwy 63), ca. ½ mile north of US 63. | 783234 | ||
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 47433 19 May 2003 | United States of America. Missouri. Ozark Co. Mark Twain National Forest, along ridge E of Waterhole Hollow, on trail N of Forest Service Rd. 145, just W of jct with Forest Service Rd. 147 (Glade Top Trail). | 787269 | ||
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 51744 16 Oct 2005 | United States of America. Arkansas. Benton Co. Hobbs State Park-Conservation Area, along Page Sawmill Road, 0.35 mi NW of jct with Rambo Road. | 931846 | ||
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 27998 13 Sep 1992 | United States of America. New Jersey. Warren Co. Johnsonburg. Presbyterian Camp. | 1069727 | ||
| Placynthium stenophyllum (Tuck.) Fink | E. Lay 97-0078 23 May 1997 | United States of America. New York. Jefferson Co. Perch River Barrens east of NY 180, ca. 1 mi. NE of Limerick. | 04276284 |  | |
| Placynthium stenophyllum (Tuck.) Fink | J. P. Dey 18201 16 Dec 1988 | United States of America. Georgia. Catoosa Co. Chickamauga Battlefield area of the Chickamauga & Chattanooga National Military Park south of Fort Oglethorpe. | 1490282 |  | |
| Placynthium stenophyllum (Tuck.) Fink | J. P. Dey 17418 Jun 1988 | United States of America. Tennessee. Wilson Co. Cedars of Lebanon State Park, south of Bairds Mills off U.S. Hwy 231, Cedar Forest Trail area opposite the park office. | 1490284 |  | |
| Placynthium stenophyllum (Tuck.) Fink | W. W. Calkins 1 Jan 1992 | United States of America. Tennessee. Hamilton Co. Lookout Mt. | 1490285 |  | |
| Placynthium stenophyllum (Tuck.) Fink | C. Calkins 284 s.d. | United States of America. Tennessee. Hamilton Co. Mission Ridge. | 1490286 |  | |
| Placynthium stenophyllum (Tuck.) Fink | W. R. Buck 44367 19 May 2003 | United States of America. Missouri. Ozark Co. Mark Twain National Forest, along ridge E of Waterhole Hollow, on trail N of Forest Service Rd. 145, just W of jct with Forest Service Rd. 147 (Glade Top Trail). | 793440 |
