Scirpus atrovirens Willd.
Annotated by Frank Lomer, 2013.

British Columbia: Yoho National Park, east side of Highway 1, ca. 16 km due south southwest of town of Field, ca. 2 km south of Finn Creek rest area. Elev. 1120 m
51.262778° N, 116.590167° W,
Wet ditch with Carex utriculata, Deschampsia cespitosa. Perennial with tight clusters of loosely arranged brown spikelet heads; perianth bristles shorter or sometimes longer than achenes; leaves septate-nodulose on lower blades; ca. 200 stems over 100 m strip; native to eastern North America; first collection in BC.

Frank Lomer 8556, 2013 Aug 19
UBC, Accession: V239248