Cannon, Helen Leighton

163 items:

Calochortus nuttalli (Sego lily), Colorado Plateau, Colorado.1953. Calochortus nuttalli (Sego lily). Colorado Plateau. April 1953. Published in U.S.Geological Survey Bulletin 1030-M, figure 99. 1957. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cannon, H.L. Collection, Colorado, Photographers, photo print
Astragalus tenellus (Looseflower milkvetch), Colorado Plateau, Colorado. 1954. Astragalus tenellus (Looseflower milkvetch). Colorado Plateau. July 1954. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cannon, H.L. Collection, Colorado, Photographers, photo print
Aplopappus armeriodes (Goldenweed), Colorado Plateau, Colorado. 1950. Aplopappus armeriodes (Goldenweed). In bud. Colorado Plateau. May 1950. Categories: Image; Tags: Cannon, H.L. Collection, Colorado, Photographers, photo print
Calochortus nuttalli (Sego lily), Colorado Plateau, Colorado. 1953. Calochortus nuttalli (Sego lily). Colorado Plateau. April 1953. Categories: Image; Tags: Cannon, H.L. Collection, Colorado, Photographers, photo print
Mentzelia multiflora (Desert blazingstar), Colorado Plateau, Colorado. 1954. Mentzelia multiflora (Desert blazingstar), Colorado Plateau. May 1954. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cannon, H.L. Collection, Colorado, Photographers, photo print

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