Porter's screw moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Pottiales
- family: Pottiaceae
- genus: Tortula
- species: Tortula porteri
Canton
IllinoisSpringfield
OhioBethlehem
Easton
Hometown
West Easton
Wilson
PennsylvaniaDayton
Tennessee
United States