determiner assumed to be collector; date approximate
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R.S. Williams
s.n.
1893-04-00
United States, Montana, Flathead, Columbia Falls
48.37 -114.17
with gyrophoric and umbilicaric acids (Thomson)
By some accident this was mixed in distributing with U. erosa. It is replaced in the decades by no. 156 and in the Lich. Bor. Am. will he replaced in a later issue