| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 45324 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. | 761363 | ||
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 45377-A 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. | 761365 | ||
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 25787 24 Sep 1990 | United States of America. Missouri. Shannon Co. Ozark National Scenic Riverways, along Co. Rd. NN, ca. 1 mi NE of junction with Rocky Creek, ca. 2 mi NE of junction of road to Rocky Falls. | 761369 | ||
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 40595 18 Apr 1997 | United States of America. Missouri. Ozark Co. Mark Twain National Forest, Smoke Tree Scenic Lookout, along Forest Service Road 147 (Glade Top Trail), between Bristle Ridge and Sugar Tree Hollow. | 761370 | ||
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 47430 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). | 787268 | ||
| 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 nigrum (Huds.) Gray | C. F. Austin 452 Apr 1867 | United States of America. New Jersey. Bergen Co. Hackensack. | 506998 | ||
| Placynthium nigrum (Huds.) Gray | C. F. Austin s.n. s.d. | United States of America. New Jersey. | 506999 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 45352 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. | 669094 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 44366 31 Oct 2000 | United States of America. Kansas. Cherokee Co. N of SE Bagdad Road, 0.2 mi W of Missouri state line, 1.6 mi E of jct with US 166/400. | 669097 | ||
| Placynthium nigrum (Huds.) Gray | C. L. Kramer 416(b) 20 Jul 1950 | United States of America. Kansas. Norton Co. 3 mi E of Norton. | 669098 | ||
| Placynthium nigrum (Huds.) Gray | C. L. Kramer 367[A] 24 Apr 1954 | United States of America. Kansas. Cherokee Co. 4 mi E of Baxter Springs on U.S. Hwy 166. | 669099 | ||
| Placynthium nigrum (Huds.) Gray | O. S. Fearing 484 03 Aug 1950 | United States of America. Kansas. Johnson Co. 2 mi S of Stanley. | 669100 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 19454 29 Feb 1996 | United States of America. Missouri. Shannon Co. MOFEP site 4, north of Current River and south of Banker Hollow, west of Wolf Pen Hollow. | 761351 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 19540 11 Mar 1996 | United States of America. Missouri. Carter Co. MOFEP site 8, at south edge of Peck Ranch Conservation Area, ca. 5 miles north of hwy 60, east of Nordic Hollow, west of watershed of Midco Hollow, south of Log Spring Hollow. | 761352 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 45657 26 Oct 2001 | United States of America. Missouri. Saint Louis Co. Rockwoods Reservation, W of MO 109, N of Eureka, along Trail Among the Trees. | 761355 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 40395 15 Apr 1997 | United States of America. Missouri. Jefferson Co. Victoria Glade Preserve, ca. 2 mi SE of Hillsboro on E side of Victoria-Hillsboro Road. | 761357 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 40503 17 Apr 1997 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, Falling Spring, ca. 2.4 mi E of MO 19 on Forest Service Road 3170/3164. | 761358 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 44716 03 Nov 2000 | United States of America. Missouri. Barry Co. Roaring River State Park, Roaring River Hills Wild Area along CR F. | 761360 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 21339 23 Apr 1988 | United States of America. Oklahoma. Cherokee Co. Along Terapin Creek ca. 6 mi N of St. Rd. 82 on St. Rd. 100. | 761362 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 47480 20 May 2003 | United States of America. Missouri. Taney Co. Mark Twain National Forest, 3 mi NNE of US 160 on Cross Timbers Road (Co. Rd. 160/200), along trail to Coy Bald. | 787316 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 47572 20 May 2003 | United States of America. Missouri. Taney Co. Mark Twain National Forest, Hercules Glades Wilderness, 3 mi NNE of US 160 on Cross Timbers Road (Co. Rd. 160/200), along trail to Coy Bald. | 787378 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 25720 15 Apr 2004 | United States of America. Oklahoma. Muskogee Co. Gruber Wildlife Management Area, along hwy 10 ca. 3.3 miles north of Camp Gruber ORV Area. | |||
| 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 nigrum (Huds.) Gray | C. Russell 186 Jun 2000 | United States of America. Missouri. Wayne Co. Mill Spring. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 5948 28 Jan 1982 | United States of America. Missouri. Laclede Co. Along ridgetop on east side of Spring Valley, southeast of Ushery Campground. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 7847 with Deborah Ladd, 14 Feb 1983 | United States of America. Missouri. Cedar Co. Stockton State Park, along lakeshore south of highway 215. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 7993 18 Apr 1983 | United States of America. Missouri. Camden Co. HaHaTonka State Park, in Devil's Kitchen. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 8041 19 Apr 1983 | United States of America. Missouri. Webster Co. Niangua State Forest, St. Luke tract, below parking area. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 8136 01 May 1983 | United States of America. Missouri. Montgomery Co. Graham Cave State Park, near cave. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 8594 with Deborah Ladd, 17 Jul 1983 | United States of America. Missouri. Saint Louis Co. Babler State Park, along Hawthorn Trail. | |||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 54175 21 Apr 2008 | United States of America. Pennsylvania. Huntingdon Co. NW of PA 45, 1 mi SW of village of Franklinville, Franklin Township. | 975271 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 25995 19 May 2004 | United States of America. Missouri. Douglas Co. Hunter Creek Glade, a steep, southwest-facing dolomite glade/sandstone bluff complex along north side of Hunter Creek, ca. 0.25 mile north of terminus of hwy VV, ca. 6.5 miles east/southeast of Ava. | |||
| Placynthium petersii (Nyl.) Burnham | D. M. Ladd 20151 17 Apr 1997 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, McCormack Lake Recreation Area, in lower portion of McCormack Hollow and bluff along Eleven Point River, south of McCormack Lake. | |||
| Placynthium petersii (Nyl.) Burnham | D. M. Ladd 20199 with Richard Harris & Bill Buck, 18 Apr 1997 | United States of America. Missouri. Ozark Co. Mark Twain National Forest, along Glade Top Trail, between Bristle Ridge and Sugar Tree Hollow, ca. 3.8 air miles south of Smallett. | |||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 14120A 19 Sep 2008 | Canada. Ontario. Bruce Co. Bruce Peninsula National Park, Halfway Log Dump on Georgian Bay. | 1050759 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 14279A 20 Sep 2008 | Canada. Ontario. Bruce Co. Bruce Peninsula National Park, just SW of parking area for Halfway Log Dump. | 1050865 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 14468 21 Sep 2008 | Canada. Ontario. Bruce Co. Bruce Peninsula National Park, Singing Sands, The Dorcas Alvar. | 1049670 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 18748 23 May 1995 | United States of America. Missouri. Greene Co. Rocky Barrens, MDC tract, an overgrown limestone glade complex west of Little Sac River, ca. 1.2 miles east/northeast of Willard. | |||
| Placynthium petersii (Nyl.) Burnham | D. M. Ladd 15262 19 Aug 1991 | United States of America. Missouri. Saint Louis Co. Greensfelder county Park, ca. 2 miles north of Allenton. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 15878 7 Dec 1991 | United States of America. Missouri. Boone Co. Rock Bridge State Park, south of Columbia, just north of Pierpont, west of hwy 63, along Gans Creek east of hwy 163. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 15437 28 Aug 1991 | United States of America. Arkansas. Stone Co. Ozark National Forest, Sylamore Ranger District. Along trail between Blanchard Springs and Gunner Pool Recreation Area. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 14790 02 Feb 1991 | United States of America. Arkansas. Madison Co. Withrow Springs State Park, ca. 2 miles southwest of Forum. Along War Eagle Hiking Trail, bordering north shore of War Eagle Creek. | |||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 14764 with K. Knudsen, 05 Oct 2008 | United States of America. California. Riverside Co. Peninsular Range, San Bernardino National Forest, San Jacinto Mountains, middle Rouse Ridge, Blackburn Canyon Quad. | 1068787 | ||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 17967 31 Mar 1994 | United States of America. Missouri. Phelps Co. Mark Twain National Forest, Roluf Spring woodland restoration area, ca. 4 miles west/southwest of Newburg, west of Forest Service Road 1516. | |||
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 13445 13 Nov 1988 | United States of America. Missouri. Washington Co. Washington State Park, along Thousand Steps Trail, south of Big River on bluff east of Dining Lodge. | |||
| Placynthium stenophyllum (Tuck.) Fink | R. C. Harris 27998 13 Sep 1992 | United States of America. New Jersey. Warren Co. Johnsonburg. Presbyterian Camp. | 1069727 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 17290 with R.C. Harris, 18 May 2009 | United States of America. Pennsylvania. Bradford Co. State Game Lands No. 36, Falls Creek, 1 mi N of confluence with Schrader Creek, ca. 0.75 mi W of Barclay Station on Minerville Rd. | 1105710 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 17515 with R.C. Harris, 19 May 2009 | United States of America. Pennsylvania. Carbon Co. Hickory Run State Park, W-facing slopes above E shore of Lehigh River, 3 mi SE of Drifton Junction Station. | 1105905 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 22452 04 Jun 2010 | United States of America. Massachusetts. Berkshire Co. Town of Pittsfield, Pittsfield State Forest, E of Lulu Cascade, N of Berry Pond Circuit Road 0.2 mi N of park office. | 1181321 | ||
| Placynthium petersii (Nyl.) Burnham | J. C. Lendemer 23598 with W.R. Buck, R.C. Harris, and E. Tripp, 30 Jun 2010 | United States of America. Tennessee. Blount Co. Great Smoky Mountains National Park, Rich Mountain Gap at Ace Gap Trail, 0-0.25 mi W of Old Cades Cove Road at National Park boundary. | 1196427 | ||
| Placynthium nigrum (Huds.) Gray | R. C. Harris 56342 30 Jun 2010 | United States of America. Tennessee. Blount Co. Great Smoky Mountains National Park, Rich Mountain Trail near N end of Old Cades Cove Road/Rich Mountain Road just S of park boundary. | 1197012 | ||
| Placynthium flabellosum (Tuck.) Zahlbr. | J. C. Lendemer 25936 with D. Ladd & C. Morse, 05 Oct 2010 | United States of America. Arkansas. Madison Co. Sweden Creek Falls Natural Area, W of CR 9, 3.0 mi S of jct w/ AR 21, ~3.2 air mi W of Boxley. | 1199267 | ||
| Placynthium petersii (Nyl.) Burnham | J. C. Lendemer 27417 with M. Sundue, 20 Oct 2010 | United States of America. Vermont. Addison Co. Town of Ferrisburgh, Kingsland Bay State Park, E shore of Lake Champlain. | 1218692 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 27409 with M. Sundue, 20 Oct 2010 | United States of America. Vermont. Addison Co. Town of Ferrisburgh, Kingsland Bay State Park, E shore of Lake Champlain. | 1218700 | ||
| Placynthium petersii (Nyl.) Burnham | J. P. Dey 17422 Jun 1988 | United States of America. Tennessee. Wilson Co. Cedars of Lebanon State Park, off U.S. Hwy 231, south of Bairds Mills, Limestone Sink Trail area. | 1227334 | ||
| Placynthium petersii (Nyl.) Burnham | J. P. Dey 17424 Jun 1988 | United States of America. Tennessee. Wilson Co. Cedars of Lebanon State Park, off U.S. Hwy 231, south of Bairds Mills, Limestone Sink Trail area. | 1227335 | ||
| Placynthium flabellosum (Tuck.) Zahlbr. | S. Q. Beeching 3156 27 May 2007 | United States of America. Alabama. DeKalb Co. Little River Canyon, Eberhart Point. | 1490201 |  |
