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This group of layers represents the information provided to industrial operators and government departments regarding the location of Endangered and Threatened Plants range for the application of appropriate surveys. Ranges delineated of Endangered and Threatened Plant species are based on observations from relevant databases in Alberta, with the exception of Porsild's bryum. Additional considerations were used to further filter range boundaries after observation data were plotted. Endangered and Threatened Plants include tiny cryptanthe, soapweed, small-flowered sand verbena, western spiderwort and Porsild's bryum species. Porsild's bryum were derived from known disjunct locations. |