Calibrating the data logger…
The distribution of this species as given in current manuals does not, with the exception of a somewhat problematical reference by Van Dersal (U.S.D.A. Misc. Pub. 303:236. 1938), definitely include the state of Colorado. The following collections establish its occurrence there. Colorado: Mt. Axtell, alt. 3,000 m. Tidestrom 4015; Lake Co., Weston Pass, Cochetopa Forest, alt. 11,200 ft., Gierisch 1267; Delta Co., Grand Mesa, alt. 10,000 ft., Maguire d? Ptranian 4015, (all USNA).
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