Guide to the literature for the identification of north american lichens /

Autor Brodo, Irwin M., 1935-
Vydáno 1985

The lichens of southern Ontario, Canada /

Autor Wong, Pak Yau., Brodo, Irwin M., 1935-
Vydáno 1992

Lichens of North America /

Autor Brodo, Irwin M., 1935-, Sharnoff, Sylvia Duran, 1944-1998, Sharnoff, Stephen, 1944-
Vydáno 2001