Teloschistes Teloschistes chrysophthalmus Teloschistes flavicans Tephromela Tephromela atra var. atra Tephromela atra var. torulosa Tephromela grumosa Thalloidima Thalloidima physaroides Thalloidima sedifolium Thamnolia Thamnolia subuliformis Thamnolia vermicularis - see Thamnolia subuliformis Thelenella Thelenella muscorum Thelidium Thelidium dionantense Thelidium fontigenum Thelidium incavatum Thelidium rehmii Thelidium pyrenophorum Thelocarpon Thelocarpon coccosporum Thelocarpon epibolum var. epibolum Thelocarpon epibolum var. epithallinum Thelopsis Thelopsis rubella Thelotrema Thelotrema lepadinum Thelotrema macrosporum Thelotrema petractoides - see Crutarndina petractoides Thrombium Thrombium epigaeum Tomasellia Tomasellia gelatinosa Toninia Toninia aromatica - see Toniniopsis aromatica Toninia physaroides - see Thalloidima physaroides Toninia plumbina Toninia sedifolia - see Thalloidima sedifolium Toninia verrucariae Toniniopsis Toniniopsis aromatica Toniniopsis bagliettoana Toniniopsis subincompta Trapelia Trapelia coarctata Trapelia collaris Trapelia elacista Trapelia glebulosa Trapelia involuta Trapelia obtegens Trapeliopsis Trapeliopsis flexuosa Trapeliopsis glaucolepidia Trapeliopsis granulosa Trapeliopsis pseudogranulosa Trapeliopsis wallrothii Tremolecia Tremolecia atrata Tuckermanopsis Tuckermanopsis chlorophylla