Colorado flora von Weber, William Alfred

Colorado flora von Weber, William Alfred

Bryogeography of the Galapagos Islands von Gradstein, Stephan Robbert 1943-, Weber, William Alfred

New combiantion in the Rocky Mountain flora von Weber, William Alfred

Guide to the mosses of Colorado keys and ecological notes based on field and herbarium studies von Weber, William Alfred

A revision of African Tayloriae (Splachnaceae), including Bryomnium von Koponen, Timo 1939-, Weber, William Alfred

A synopsis of the North American species of Cyphelium von Weber, William Alfred

Handbook of plants of the Colorado Front Range keys for the identification of the ferns, conifers, and flowering plants of the Central Rocky Mountains from Pikes Peak to Rocky Moun... von Weber, William Alfred

Rediscovery of the genus Neoparrya Mathias Umbelliferae von Weber, William Alfred

The lichen flora of Colorado Cetraria Cornicularia, Dactylina, and Thamnolia von Weber, William Alfred, Shushan, Sam

A new species and subgenus of Atriplex Southwestern Colorado von Weber, William Alfred

Colorado Flora - western slope a field guide to the vascular plants von Weber, William Alfred, Wittmann, Ronald C.

Catalog of the Colorado flora a biodiversity baseline von Weber, William Alfred, Wittmann, Ronald C.

Inhaltsverzeichnis

Environmental modofication in crustoe lichens von Weber, William Alfred

Lichens of Mt. McKonley National Park, Alaska von Weber, William Alfred, Viereck, Leslie A.

Lichens of the Chiricahua Mountains, Arizona von Weber, William Alfred, Awasthi, Dharani Dhar 1922-

Lichens of the Chiricahua Mountains, Arizona von Weber, William Alfred

Colorado flora von Weber, William Alfred

Environmental modofication in crustoe lichens von Weber, William Alfred

Environmental modification and the taxonomy of the crustoe lichens von Weber, William Alfred