. The Canadian field-naturalist. Natural history; Sciences naturelles. 2005 Consaul, Gillespie, and Macinnes: Alkali Grass from the Arctic Archipelago 501 h. l jenisseiensis Y ./ f / J /\ colpodioides TH'beringensis f^ Figure 1. Map of species in Puccinellia section Pseudocolpodium. Star in circle = CAN 535850. Solid circles and dot pat- terns = P. vahliana; open squares = P. wrightii; solid square = P. beringensis, representing several localities; open triangle = P. colpodioides; diagonal hatching = P. byrrangensis; horizontal hatching = P. jenisseiensis; solid triangle = P. wrightii
. The Canadian field-naturalist. Natural history; Sciences naturelles. 2005 Consaul, Gillespie, and Macinnes: Alkali Grass from the Arctic Archipelago 501 h. l jenisseiensis Y ./ f / J /\ colpodioides TH'beringensis f^ Figure 1. Map of species in Puccinellia section Pseudocolpodium. Star in circle = CAN 535850. Solid circles and dot pat- terns = P. vahliana; open squares = P. wrightii; solid square = P. beringensis, representing several localities; open triangle = P. colpodioides; diagonal hatching = P. byrrangensis; horizontal hatching = P. jenisseiensis; solid triangle = P. wrightii The current distribution of the species in P. section Pseudocolpodium was mapped (see Figure 1). The distribution of P. vahliana is based on specimens from CAN and DAO (solid circles), as well as the maps in Hulten (1968) (area indicated by dot pattern) and Cody (1996) (Yukon record). The open squares repre- senting P. wrightii var. wrightii are based on specimens from CAN, DAO, ALA and US, as well as the dot map in Probatova (1985) and text in Tzvelev (1964). The open triangle of P. colpodioides is based on several specimens from CAN and ALA, and text in Tzvelev (1964). The solid triangle representing P. wrightii var. flava is from the holotype, the only specimen known. The distribution of P. beringensis (closed square) is based on the dot map in Probatova (1985), P. byr- rangensis (diagonal hatching) is based on the dot map in Malyshev and Peshkova (1990), and P. jenisseiensis (horizontal hatching) is based on a description of the distribution in Tzvelev (1964). Results A morphological and habitat description of CAN 535850 is given in Appendix 2. Figure 1 shows the distribution of CAN 535850, labelled "Egg River," compared with all the taxa in Puccinellia sect. Pseudo- colpodium. Using Anderson's Flora of Alaska and Adjacent Parts of Canada (Welsh 1974), CAN 535850 keyed out to Puccinellia wrightii (as Colpodium wrightii Scribn. & Merr.). In Grasses of the So
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