Porotrichum substriatum
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Leucodontales
- family: Neckeraceae
- genus: Porotrichum
- species: Porotrichum substriatum
Río Limpio
Elías Piña
Dominican Republic
Jayuya
Municipio de Jayuya
Puerto Rico