Grimmia longirostrisSpecies

Synonyms
- Grimmia affinis
- Grimmia catalinensis
- Grimmia elata
- Grimmia ortholoma
- Grimmia ovataeformis
- Grimmia arctophila ssp. labradorica
- Grimmia catalinensis var. mutica
- Grimmia ovalis var. affinis
- Grimmia ovata var. affinis