Pink sand-verbena (Abronia umbellata) COSEWIC assessment and status report: chapter 4
Distribution
Global range
Historically, Abronia umbellata ranged from southwestern British Columbia, south sporadically along the outer coast to Washington, Oregon and northern California (Figure 2).
Figure 2. Historic distribution of Abronia umbellata in North America
Canadian range
In Canada, A. umbellata was known prior to 1927, from Bamfield (Pachena Bay) and Tofino (Ahousat), on the central-west coast of Vancouver Island. Recently it was recollected in 2000 and observed again in 2001 at Clo-oose Bay, south of Tofino, (Figure 3; Douglas 2001; Douglas et al. 2002a, b). The plant did not reappear in 2002. A historic extent of occurrence including all three sites known would be <100 km². No data are available for its area of occupancy at the recent site at Clo-oose Bay but this is likely <<20 km².
Figure 3. Historic distribution of Abronia umbellata in British Columbia
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