Gyalectidium

Gyalectidium is a genus of lichen-forming fungi in the family Gomphillaceae. A 2020 estimates placed 52 species in the genus.^[2] The genus was circumscribed by Swiss lichenologist Johannes Müller Argoviensis in 1881. He included 3 species: G. xantholeucum, G. dispersum, and G. filicinum;^[3] the last of these is now the type species of the genus.

Gyalectidium
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Graphidales
Family:	Gomphillaceae
Genus:	Gyalectidium Müll.Arg. (1881)
Type species
Gyalectidium filicinum Müll.Arg. (1881)
Species
See text
Synonyms[1]
Gonothecis Clem. (1909) Gonothecium (Vain.) Clem. & Shear (1931) Lecidea sect. Gonothecium Vain. (1890) Lopadiopsidomyces Cif. & Tomas. (1953) Lopadiopsis Vain. (1896) Tauromyces Cavalc. & A.A.Silva (1972)

Species

• Gyalectidium appendiculatum Lücking, Lendemer & E.A.Tripp (2008)
• Gyalectidium areolatum L.I.Ferraro & Lücking (2001)^[4]
• Gyalectidium atrosquamulatum Lücking & Kalb (2001)^[4]
• Gyalectidium aurelii L.I.Ferraro & Lücking (2003)
• Gyalectidium australe Lücking (2001)^[4]
• Gyalectidium barbatum Herrera-Camp. & Lücking (2002)^[5] – Mexico
• Gyalectidium catenulatum (Cavalc. & A.A.Silva) L.I.Ferraro, Lücking & Sérus. (2000)
• Gyalectidium caucasicum (Elenkin & Woron.) Vězda (1983)
• Gyalectidium chilense M.Cáceres & Lücking (2003)
• Gyalectidium ciliatum Lücking, G.Thor & Tat. Matsumoto (2000)
• Gyalectidium cinereodiscus Herrera-Camp. & Lücking (2004)
• Gyalectidium conchiferum Lücking & V.Wirth (2001)^[4]
• Gyalectidium denticulatum Lücking (2001)^[4]
• Gyalectidium fantasticum L.I.Ferraro & Lücking (2001)^[4]
• Gyalectidium filicinum Müll.Arg. (1881)
• Gyalectidium flabellatum Sérus. (2001)^[4]
• Gyalectidium floridense Safranek & Lücking (2005)^[6] – Florida, USA
• Gyalectidium fuscum Lücking & Sérus. (2001)^[4]
• Gyalectidium gahavisukanam Sérus. (2001)^[4]
• Gyalectidium imperfectum Vězda (1994)^[7]
• Gyalectidium kenyanum Lücking & Kalb (2001)^[4]
• Gyalectidium laciniatum Lücking (2001)^[4]
• Gyalectidium macaronesicum Sérus. (2000)
• Gyalectidium maracae Lücking (2001)^[4]
• Gyalectidium membranaceum Sérus. & Lücking (2001)^[4]
• Gyalectidium microcarpum (Vězda) Lücking, Sérus. & Vězda (2001)^[4]
• Gyalectidium minus Sérus. (2001)^[4]
• Gyalectidium nashii Herrera-Camp. & Lücking (2003)
• Gyalectidium novoguineense Sérus. (2001)^[4]
• Gyalectidium pallidum Herrera-Camp. & Lücking (2002)
• Gyalectidium paolae Herrera-Camp. & Lücking (2003)
• Gyalectidium plicatum L.I.Ferraro & Lücking (2003)
• Gyalectidium puntilloi Sérus. (2001)^[4]
• Gyalectidium radiatum Lücking, G.Thor & Tat.Matsumoto (2000)
• Gyalectidium rosae-emiliae Herrera-Camp. & Lücking (2003)
• Gyalectidium sanmartinense Herrera-Camp. & Lücking (2004)
• Gyalectidium shimanense Y.Suto (2018)^[8] – Japan
• Gyalectidium tuckerae Lücking & Lendemer (2007)^[9] – Louisiana, USA
• Gyalectidium ulloae Herrera-Camp. & Lücking (2002)^[5] – Mexico
• Gyalectidium verruculosum Sérus. (2001)^[4]
• Gyalectidium viride Lücking, W.R.Buck & Rivas Plata (2007)^[9] – Alabama, USA
• Gyalectidium yahriae W.R.Buck & Sérus. (2000)^[10] – Florida, USA