]> GH barcode-01628819 Canada Nova Scotia at northwest border of Tusket (Vaughan) Lake Proserpinaca palustris var. crebra Fernald & Griscom Fernald & Griscom 2020-07-24 12:40:56 M. L. Fernald, C. H. Bissell, C. B. Graves, B. H. Long & D. H. Linder