The genus Dendrographa (Roccellaceae)

The genus Dendrographa (Roccellaceae) is monographed. These fruticose lichenized ascomycetes are endemic to the Pacific coast of Baja California, Mexico and California, U.S.A. Two sexual species are recognized, both including anamorphic states here recognized as forms. These forms are dispersed by fragmentation. A new species. Dendrographa alectoroides and a new form, D. alectoroides f. parva are described. A new combination, Dendrographa leucophaea f. minor is made. Key, descriptions, distribution maps, and notes on chemistry and habitat are supplied.