Thalictrum sparsiflorum subsp. richardsonii (A. Gray) Cody
Publ. & Syn.Cody, Canad. Field-Naturalist 108: 93 (1994). - Thalictrum richardsonii A. Gray, Amer. J. Sci. Arts 42: 17 (1842). Holotype (BM)?: Canada: the Northwest Territories, Slave Lake, Portage la Loche, leg. Richardson. - Thalictrum sparsiflorum var. richardsonii (A. Gray) B. Boivin, Rhodora 46: 369 (1944).
Chromosomes14 (2x). - Canada, U.S.A. - At least four reports.
Not included: A report of 2n = 42 (6x) from the Rocky Mountains (Löve et al. 1971) probably belongs to some other species.
GeographyNorth American (NW): ALA CAN.
Distribution N = F     AN = r     E = R     HL = b     AW = r     [ key ]
Parent taxonThalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey.
PAF ID360602b
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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)