Not an accepted name (status: unknown). The accepted name is Coscinodon horridus (J.Muñoz & Hespanhol) Hugonnot, R.D.Porley & Ignatov.

Grimmia horrida J.Muñoz & Hespanhol 0% complete

No common name

Bryologist, 112: 326, 326, 2009

There is no corrections for Grimmia horrida yet.