British Museum of Natural History Archives | South London Botanical Institute

A Taxonomic Study of the Lichen Genus Micarea in Europe

Author: B.J., Coppins

Encyclopedia of Ferns. An introduction of ferns, their structure, biology, economic importance, cultivation and propogation

Author: D L., Jones

Parmelia subgenus Amphigymnia (lichens) in East Africa. Botany Series Vol. 9. no. 3

Author: H. & Swinscow, Krog, T.D.

Studies in the genus Hypercium L. (Gultiferae) 2 Characters of the genus

Author: Robson, N.K.B.

The lichen genus Usnea subgenus Neuropogon

Author: F.J., Walker