Eriophorum viridicarinatum (Engelm.) Fernald

Idaho: Bonner County: [locality and coordinates withheld; status in Idaho: S2 (Imperiled; IDNHP)],
Large open Sphagnum fen dominated by Carex lasiocarpa, C. rostrata, Dulichium arundinaceum, and Scirpus acutus surrounded by a shallow moat (0.1 to > 1m deep) which is dominated by Brasenia schreberi, Nuphar polysepalum, and Potamogeton natans. Surrounding forest dominated to the east by P. ponderosa and P. contorta and to the west by P. monticola, Thuja plicata, Abies grandis, Picea engelmanii, and Tsuga heterophylla. Water chemistries: total hardness 10 mg/l, Ca 2.72 mg/l, Mg 0.78 mg/l. Substrate pH 5.5. With C. cusickii and C. aquatilis w/ some moss accum. Abundance: few, growing in shallow water in moat above beaver dam on W end of KM. Rather prominent in this small patch. Phenology: Flowers.

R. Bursik 970, May 16, 1988
With M. Mancuso
ID, Accession: 96329, Barcode: ID021521