Hemithecium

Hemithecium is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by Vittore Benedetto Antonio Trevisan de Saint-Léon in 1853.

Species
, Species Fungorum (in the Catalogue of Life) accepts 22 species of Hemithecium.
 * Hemithecium alboglaucum
 * Hemithecium amboliense
 * Hemithecium andamanicum
 * Hemithecium argopholis
 * Hemithecium canlaonense
 * Hemithecium duomurisporum
 * Hemithecium endofuscum
 * Hemithecium flavoalbum
 * Hemithecium flexile
 * Hemithecium fulvescens
 * Hemithecium himalayanum
 * Hemithecium kodayarense
 * Hemithecium lamii
 * Hemithecium nagalandicum
 * Hemithecium nakanishianum
 * Hemithecium oshioi
 * Hemithecium pulchellum
 * Hemithecium radicicola
 * Hemithecium rimulosum
 * Hemithecium scariosum
 * Hemithecium staigerae
 * Hemithecium verrucosum