University of Colorado Museum of Natural History Herbarium Vascular Plant Collection
Catalog #: 00613265
Secondary Catalog #: 7640
Taxon: Polygonum erectum ssp. achoreum (S. F. Blake) Löve & Löve
Collector: R. Wittmann   815   
Date: 1979-08-10
Verbatim Date:10 August 1979
Locality: United States, Colorado, Boulder, Grounds of the National Bureau of Standards, Boulder.
39.9913624  -105.2666727 +-1000m.  WGS84
Georeference Remarks: I plotted the UTM on the grounds of NIST. RA
Elevation: 1655 meters
Verbatim Elevation: 1655 m
Habitat: Rather common on compacted sites (dirt roads) throughout bureau grounds.
Reproductive Condition: Flr
Occurrence Remarks: Polygonum achoreum Blake, Det. Deborah S. Katz, 1987. Original ID: Polygonum achoreum. With P. rurivagum and easily separable therefrom by the erect habit and broader leaves. Plants are susceptible to powdery mildew, even more so than P. rurivagum.
Specimen Images
Record Id: 21ebc18d-d7da-43a6-af5d-8c66a25cbc57
Occurrence ID (GUID): 21ebc18d-d7da-43a6-af5d-8c66a25cbc57
For additional information on this occurrence, please contact: J Ryan Allen (
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