Ohio haircap moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Polytrichales
- family: Polytrichaceae
- genus: Polytrichastrum
- species: Polytrichastrum ohioense
- Niagara Falls
- Parry Sound
Ontario- Oka
Quebec
Canada- New Haven
Connecticut- Crawfordsville
Indiana- Monticello
Iowa- Federalsburg
Maryland- Brookline
- Jamaica Plain
- Waltham
- Wellesley
Massachusetts- Ironton
Missouri- Budd Lake
- Clifton
- Dover
- Paramus
- Victory Gardens
New Jersey- Borough of Bronx
- Cairo
- Cayuga Heights
- Chappaqua
- Cold Spring Harbor
- Congers
- Dobbs Ferry
- East Ithaca
- Fort Montgomery
- Harriman
- Hastings-on-Hudson
- Ithaca
- Laurel Hollow
- Manorville
- Mount Ivy
- Niagara Falls
- Nissequogue
- North Great River
- Penn Yan
- Pound Ridge
- Sleepy Hollow
- South Hill
- Tarrytown
- Valley Cottage
New York- Columbus
Ohio- Newfane
Vermont
United States