New Records of Vascular Plants in the Yukon Territory VIII

Authors

  • Bruce A. Bennett Department of Environment, Government of Yukon, Box 2703, Whitehorse, Yukon Y1A 2C6
  • Paul M. Catling Biodiversity, National Program on Environmental Health, Agriculture and Agri-Food Canada, Wm. Saunders Building (49), Central Experimental Farm, Ottawa, Ontario K1A 0C6
  • William J. Cody Biodiversity, National Program on Environmental Health, Agriculture and Agri-Food Canada, Wm. Saunders Building (49), Central Experimental Farm, Ottawa, Ontario K1A 0C6
  • George W. Argus Canadian Museum of Nature, P.O. Box 3443, Postal Station Douglas, Ottawa, Ontario K1P 6P4

DOI:

https://doi.org/10.22621/cfn.v124i1.1025

Keywords:

Vascular plants, flora, new records, phytogeography, Ivvavik National Park, Beaufort Sea, Asi Keyi Special Management Area, Yukon Territory

Abstract

Forty-seven taxa, 35 native and 12 introduced, are reported as new to the flora of Yukon and nine taxa previously reported are deleted. The new native taxa are: Artemisia arctica ssp. comata, Botrychium alaskense, Botrychium minganense, Bromus richardsonii, Calamagrostis holmii, Carex incurviformis, Carex mackenziei, Carex microchaeta ssp. nesophila, Carex ramenskii, Carex rariflora var. androgyna, Carex tahoensis, Carex xerantica, Carex × flavicans, Deschampsia sukatschewii, Eleocharis erythropoda, Eleocharis macrostachya, Eleocharis mamillata, Erigeron ochroleucus, Impatiens noli-tangere, Limnorchis huronensis, Nymphaea tetragona, Polygonum douglasii ssp. douglasii, Potamogeton natans, Potentilla crebridens ssp. hemicryophila, Puccinellia tenella ssp. langeana, Rumex beringensis, Salix farriae, Salix glauca ssp. Stipuli fera, Saussurea nuda, Saxifraga hyperborea, Saxifraga rivularis ssp. arctolitoralis, Silene soczavana var. macrosperma, Symphyotrichum subspicatum, Taraxacum hyparcticum, and Zannichellia palustris. The new introduced taxa are: Acer negundo, Avena fatua, Camelina microcarpa, Crepis capillaris, Hippophae rhamnoides, Lamium amplexicaule, Linaria dalmatica, Medicago lupulina, Prunus padus, Rumex pseudonatronatus, Valeriana officinale, and Viola tricolor. Deleted taxa are: Aster laevis var. geyeri, Carex athrostachya, Elatine triantha, Camelina sativa, Erysimum cheiri, Galium palustre, Impatiens capensis, Platanthera hyperborea, and Sonchus oleraceus. Vouchers are cited and general notes on distribution and identification are provided. Four of the native taxa reported here are new to Canada: Botrychium alaskense, Carex microchaeta ssp. nesophila, Potentilla crebridens ssp. hemicryophila and Rumex beringensis.

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