Morphological variation in selected populations of the teiid lizards Cnemidophorus velox and Cnemidophorus inornatus
The lichen flora of Colorado: Cetraria cornicularia, Dactylina, Thamnolia
Type specimens of recent gastropoda in the University of Colorado Museum
The food of mice and shrews in a Colorado montane forest
Taxonomic remarks on some American alpine plants
Neuronal trephocytes
A study of the ecological distribution of ants in Gregory Canyon, Boulder, Colorado
A cytological investigation of the mosses of the Rocky Mountains
A limnological reconnaissance of Grand Mesa, Colorado
Additions to the flora of Colorado - II
