Thelidium

Thelidium is a genus of lichen-forming fungi in the family Verrucariaceae. The genus was circumscribed in 1855 by Italian lichenologist Abramo Bartolommeo Massalongo, who assigned Thelidium amylaceum as the type species.

Species

 * Thelidium amylaceum A.Massal. (1855)
 * Thelidium carbonaceum P.M.McCarthy & Kantvilas (2020) – Australia
 * Thelidium chibaense H.Harada (2013) – Japan
 * Thelidium decipiens (Hepp) Kremp. (1861)
 * Thelidium fontigenum A.Massal. (1856)
 * Thelidium fumidum (Nyl.) Hazsl. (1884)
 * Thelidium heardense C.W.Dodge (1948)
 * Thelidium helveticum (Servít) Hafellner (2018)
 * Thelidium impressum (Müll.Arg.) Zschacke (1920)
 * Thelidium incavatum Nyl. ex Mudd (1861)
 * Thelidium izuense H.Harada (2013) – Japan
 * Thelidium litorale (Leight.) Keissl. (1937)
 * Thelidium luchunense H.Harada & Li S.Wang (2006) – China
 * Thelidium methorium (Nyl.) Hellb. (1875)
 * Thelidium minimum (A.Massal. ex Körb.) Arnold (1871)
 * Thelidium minutulum Körb. (1863)
 * Thelidium nylanderi (Hepp) Lönnr. (1859)
 * Thelidium papulare (Fr.) Arnold (1885)
 * Thelidium pluvium Orange (1991) – Europe
 * Thelidium praevalescens (Nyl.) Zahlbr. (1906)
 * Thelidium pyrenophorellum (Servít) Hafellner (2018)
 * Thelidium pyrenophorum (Ach.) Körb. (1855)
 * Thelidium rimosulum Ceyn.-Giełd. (2007) – Europe
 * Thelidium robustum P.M.McCarthy & Kantvilas (2016)
 * Thelidium sinense H.Harada & Li S.Wang (2006) – China
 * Thelidium uvidulum Orange (2022) – Nepal
 * Thelidium yunnanum H.Harada & Li S.Wang (2004) – China
 * Thelidium zwackhii (Hepp) A.Massal. (1855)