We don't have synonyms for grimmia yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are grimmie and grimma.
(N) :
a genus of mosses (Bryophyta), originally named by Jakob Friedrich Ehrhart in honour of Johann Friedrich Carl Grimm, a physician and botanist from Gotha, Germany.
(N) :
a genus of mosses (Bryophyta), originally named by Jakob Friedrich Ehrhart in honour of Johann Friedrich Carl Grimm, a physician and botanist from Gotha, Germany.