| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Placynthium nigrum (Huds.) Gray | D. P. Waters 6616 04 Oct 2021 | United States of America. New Jersey. Hunterdon Co. Union Township, Spruce Run Recreation Area, north shore of Spruce Run Reservoir. | 04305411 |  | |
| Placynthium petersii (Nyl.) Burnham | M. F. Hodges 25882 16 Sep 2022 | United States of America. West Virginia. Randolph Co. Monongahela National Forest, Coberly Sods, E of Stuart Memorial Drive/FS91, drainage of tributary to Shavers Fork of the Cheat River. | 04288857 |  | |
| Placynthium | H. J. M. Sipman 54662 04 Mar 2007 | Bonaire, Sint Eustatius and Saba. Saba. Giles Quarter Trail W of harbour. Alt. 50 m. |  | ||
| Placynthium subradiatum (Nyl.) Arnold | J. C. Lendemer 28687 04 Jun 2011 | Canada. Yukon. bluffs above SW end of Emerald Lake, W of Klondike Hwy. (Yukon 2), ~10 km N of Carcross (jct. of Yukon 2 and Yukon 8). | 1237906 |  | |
| 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 petersii (Nyl.) Burnham | R. C. Harris 36869 09 Oct 1995 | United States of America. Kentucky. Rowan Co. Daniel Boone National Forest, at SE end of Cave Run Lake at Claylick Boat Ramp. | 1490270 |  | |
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 37005 11 Oct 1995 | United States of America. Kentucky. Estill Co. Daniel Boone National Forest, ca. 1.5 mi NW of Cottage Furnace Campgound on Forest Service Road 230, ca. 6 mi SSE of Clay City. | 1490272 |  | |
| Placynthium petersii (Nyl.) Burnham | R. C. Harris 36834 09 Oct 1995 | United States of America. Kentucky. Rowan Co. Daniel Boone National Forest, bluffs at SE end of Cave Run Lake, NE of Claylick Boat Ramp. | 1490273 |  | |
| Placynthium petersii (Nyl.) Burnham | J. P. Dey 18202 16 Dec 1988 | United States of America. Georgia. Catoosa Co. Chickamauga Battlefield area of the Chickamauga & Chattanooga National Military Park south of Fort Oglethorpe. | 1490268 |  | |
| Placynthium nigrum (Huds.) Gray | R. C. Harris 10681 10 May 1976 | United States of America. Virginia. Highland Co. farm across from trout ponds on U.S. Hwy 220 c. 9 mi S of Monterey. | 1490244 |  | |
| Placynthium nigrum (Huds.) Gray | R. C. Harris 10679-A 10 May 1976 | United States of America. Virginia. Highland Co. farm across from trout ponds on U.S. Hwy 220 c. 9 mi S of Monterey. | 1490245 |  | |
| Placynthium nigrum (Huds.) Gray | J. L. Sheldon P7 08 Sep 1914 | United States of America. West Virginia. Monongalia Co. Lick Run (Greer). | 1490246 |  | |
| Placynthium nigrum (Huds.) Gray | D. M. Ladd 24003 23 Oct 2002 | United States of America. Kentucky. Nelson Co. Bernheim Arboretum and Research Forest, ca. 9 miles northwest of Bardstown in old field and adjacent woodland above south side of Wilson Creek, just west of ford east of junction with Knobs Road on Harrison Ford Road. | 1490226 |  | |
| Placynthium nigrum (Huds.) Gray | C. C. Plitt s.n. 14 Apr 1919 | United States of America. Maryland. Baltimore Co. Dulaney Valley Pike. | 1490228 |  | |
| Placynthium nigrum (Huds.) Gray | C. C. Plitt 161 05 Nov 1907 | United States of America. Maryland. Baltimore Co. along Dulaney Valley Road, near Hampton. | 1490229 |  | |
| Placynthium nigrum (Huds.) Gray | C. F. Reed 127157 23 Jul 1986 | United States of America. Maryland. Washington Co. at Fifteen Mile National Historical Park, Little Orleans. | 1490230 |  | |
| Placynthium nigrum (Huds.) Gray | E. G. Worthley L-623 07 Mar 1984 | United States of America. Maryland. Baltimore Co. St. Thomas Church cemetery, Owings Mills. | 1490231 |  | |
| Placynthium nigrum (Huds.) Gray | 04464462 |  | |||
| Placynthium asperellum (Ach.) Trevis. | 04509664 |  | |||
| Placynthium asperellum (Ach.) Trevis. | 04509665 |  | |||
| Placynthium asperellum (Ach.) Trevis. | 04509666 |  | |||
| Placynthium garovaglii (A.Massal.) Zahlbr. | 04509667 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509668 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509669 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509672 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509673 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509675 |  | |||
| Placynthium nigrum (Huds.) Gray | 04509676 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509677 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509678 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509679 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509680 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509681 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509682 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509683 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509684 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509685 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509687 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509688 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509689 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509690 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509691 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509692 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509693 |  | |||
| Placynthium nigrum (Huds.) Gray | 4509694 |  | |||
| Placynthium rosulans (Th.Fr.) Zahlbr. | 04509696 |  | |||
| Placynthium subradiatum (Nyl.) Arnold | 04509697 |  | |||
| Placynthium nigrum (Huds.) Gray | F. S. Earle s.n. | United States of America. Illinois. Union Co. Cobden. | 750474 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 11268 with A. Moroz, 13 Aug 2007 | Canada. Newfoundland and Labrador. Island of Newfoundland, Northern Peninsula, Burnt Cape Ecological Preserve, south end to middle of cape, town of Raleigh, Ha-Ha Bay. | 1078558 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 11268 with A. Moroz, 13 Aug 2007 | Canada. Newfoundland and Labrador. Island of Newfoundland, Northern Peninsula, Burnt Cape Ecological Preserve, south end to middle of cape, town of Raleigh, Ha-Ha Bay. | 1078557 |  | |
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 8890 20 Jul 2006 | Canada. Newfoundland and Labrador. Newfoundland: Watts Point Ecological Preserve, near northern boundary, 38 miles west of Raleigh, 7 km south of Cook's Harbour, Strait of Belle Isle, Northern Peninsula. | 965259 | ||
| Placynthium nigrum (Huds.) Gray | J. C. Lendemer 8892 20 Jul 2006 | Canada. Newfoundland and Labrador. Newfoundland: Watts Point Ecological Preserve, near northern boundary, 38 miles west of Raleigh, 7 km south of Cook's Harbour, Strait of Belle Isle, Northern Peninsula. | 965260 |  | |
| Placynthium glaciale Fryday & T.Sprib. | T. Spribille 40765 with A. Fryday, | United States of America. Alaska. Hoonah-Angoon Census Area. Glacier Bay National Park, upper end of Muir Inlet. | isotype | 04257672 |  |
| Placynthium glaciale Fryday & T.Sprib. | T. Spribille 40765 with A. Fryday, | United States of America. Alaska. Hoonah-Angoon Census Area. Glacier Bay National Park, upper end of Muir Inlet. | isotype | 04257673 |  |
| Placynthium nigrum (Huds.) Gray | R. C. Harris 53514-A | United States of America. New York. Clinton Co. town of Peru, Valcour Island in Lake Champlain, Bluff Point. | 01490205 |  | |
| Placynthium nigrum (Huds.) Gray | A. Suija 106 | Estonia. Harju. Kuusalu (Parish). group of stone-cist graves "Hundikangrud". | 04509674 |  | |
| Placynthium nigrum (Huds.) Gray | E. Leppik s.n. | Estonia. Harju. Kuusalu (Parish). Põhja-Korvemaa Landscape Reserve. | 04509671 |  |
