University of Colorado Museum of Natural History Herbarium Vascular Plant Collection
Catalog #: 00911404
Secondary Catalog #: 536245
Taxon: Penstemon virgatus ssp. asa-grayi Crosswhite
Collector: Francis Daniels   7   
Date: 1906-06-16
Verbatim Date:16 June 1906
Locality: United States, Colorado, Boulder, Plains, Boulder.
40.0149774  -105.2705492 +-10000m.  WGS84
Georeference Remarks: I plotted the UTM at the GNIS point for Boulder and increased the CV to 6 to cover the plains around the city. The elevation is too high for the plains area around Boulder. RA
Elevation: 1707 meters
Verbatim Elevation: 5600 ft
Habitat: Plains, infrequent.
Reproductive Condition: Flr
Occurrence Remarks: Penstemon unilateralis Rydberg. Det. F.W. Pennell, 1930. / Penstemon unilateralis Rydberg. Det. William A. Weber. 17 August 1949. / Penstemon virgatus A. Gray ssp. asa-grayii Crosswhite. Det. F.S. Crosswhite. 1969. Original ID: Penstemon unilateralis Rydb.; P. secundiflorus Auctores. Infrequent. Voucher: Daniels, F.P., 1911. Flora of Boulder, Colorado and vicinity. U. of Missouri Studies 2 (2): 1-311.
Specimen Images
Record Id: aac8e25c-a818-47bd-b94c-413b94174991
Occurrence ID (GUID): aac8e25c-a818-47bd-b94c-413b94174991
For additional information on this occurrence, please contact: J Ryan Allen (
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