University of Colorado Museum of Natural History Herbarium Vascular Plant Collection
Catalog #: 00090811
Occurrence ID (GUID): 8d9002c2-cffa-4d2f-b7a7-ed410d4873b2
Secondary Catalog #: 432075
Taxon: Grindelia squarrosa (Pursh) Dunal
Collector: Mark Allen Wetter   567   
Date: 1979-09-17
Verbatim Date: 17 September 1979
Locality: United States, Colorado, Mesa, Along Interstate-70, 6.4 mi E of Colorado-Utah state line.
Elevation: 1524 meters Verbatim Elevation: 5000 ft, 1524 m
Habitat: Common but scattered in median area of Interstate-70 in gravelly, gray soil. Growing with grasses, Helianthus, and other weeds. Growing intermixed with Wetter 568 (G. fastigiata).
Reproductive Condition: Flr
Notes: 2.0-2.5 ft. tall, branching from base. Many plants forming new rosettes on flowering plants. Young heads in leaf axils. Very resinous. With genetic influence of G. fastigiata.
Specimen Images
Link to Source: 106917
Record Id: 195386be-91c1-4ed8-92dd-2c29164c7170
For additional information on this specimen, please contact: J Ryan Allen (
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