Georeferenced to state of Colorado with marker at geographic center of state
Arid sites on the plains.
Nutlets all smooth, common weedy species, nutty margin rounded or obtuse, not prominent, Source: Weber, W.A. and Ronald C. Wittman, Colorado Flora: Eastern Slope. University Press of Colorado, 1996.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)