Pyrenocollema - Venezuela Leprocollema - Brazil N Calodoma Lecicophyisma - Finland Lempholemma Arnoldiella - France Eulampholemma Europe Australia St Vincent off Guco Lepidora Tauris Peninsula Arnoldia Europe 1N Am Hemphospora Guadeloupe D Doming C R Pan perhaps better Pamariac Collemella N Am Lemmopsis Europe N Am Phyisma - Oceania 1 Chile + Antilles perhaps Pamariac Homothecium Chile Collema Synechothallus Eur Trop Asia Mauritius Australia D Am N Am Collemodiopsis Europe Java Antilles Blennothallia Europe Antilles N Am Trop Am. Tonkin Jap Austral Collemodes Ohio Koerberia Europe Arctomia N Eur + Siberia Ramalodium Australia perhaps better in Pamariaceae Leptogium Collernodium Eur N Am N Afr. Siberia Pseudoleptogium Europe Leptogopsis Europe S Afr Philippines Guiana Euleptogium Homodium Eur Siberia California N Am Waf, Mallotium Chile N Europe N Am Trop Am Japan India P.D. Leptolobaria Chile to Antilles. Aphanopris Europe