University of Colorado Museum of Natural History Herbarium Vascular Plant Collection (COLO:V)
00906545
3cc60fa6-18f6-44ad-aff1-b3fba3cbf945
535915
Helianthus petiolaris Nuttall
ASTERACEAE
Francis Daniels
67
1906-07-23
23 July 1906
United States, Colorado, Boulder, Flats of Boulder creek and about ditches, Boulder.
1676 meters
5500 ft
Flats of Boulder creek and about ditches, common.
Flr
Helianthus petiolaris Nuttall. Det. E.E.W., 1934. / Helianthus petiolaris Nuttall. Det. William A. Weber. 18 June 1949. Small specimen monstrously tri-headed. Voucher: Daniels, F.P., 1911. Flora of Boulder, Colorado and vicinity. U. of Missouri Studies 2 (2): 1-311.
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)