A new species of Rhytidenglerula is described from living leaves of Tr
ema micrantha and compared with R. trematis. Rhytidenglerula trematis
is lectotypified. During a study of the fungi of Everglades National P
ark, a new species of Rhytidenglerula was found on living leaves of Tr
ema micrantha (L.) Blume on Long Pine Key. This new species is describ
ed, illustrated and compared with R. trematis (Sydow) v. Arx found on
Trema guineensis (Schum.) Fic., T. orientalis Blum and T. micrantha fr
om Africa, Asia and South America.