Pennsylvania hair moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Polytrichales
- family: Polytrichaceae
- genus: Pogonatum
- species: Pogonatum pensilvanicum
Conceição do Castelo
Espírito Santo
Brazil
Fredericton
New Brunswick- Chester
Nova Scotia- Ottawa
Ontario
Canada
Viñales
Pinar del Río
Cuba
Willacoochee
Georgia- Canton
Illinois- Greencastle
Indiana- Cabin John
Maryland- Dover
- Newburyport
- Southampton
- Vineyard Haven
- Wellesley
Massachusetts- Bismarck
Missouri- Hollis
New Hampshire- Averill Park
- Beacon
- Borough of Bronx
- Cayuga Heights
- Cold Spring Harbor
- East Ithaca
- Ellenville
- Greenport
- Greenport West
- Greenville
- Ithaca
- Laurel Hollow
- North Valley Stream
- Northeast Ithaca
- Penn Yan
- South Hill
- South Valley Stream
- Staten Island
- Valley Stream
- West Point
- Yonkers
- Yorktown Heights
New York- Willoughby
Ohio- Providence
Rhode Island- Aiken
South Carolina- Brattleboro
- Morrisville
- Newfane
Vermont- Morgantown
- Westover
West Virginia
United States