heart-leaved spear moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Hypnales
- family: Amblystegiaceae
- genus: Calliergon
- species: Calliergon cordifolium
Windsor
Nova Scotia- Dorchester
- Owen Sound
Ontario
Canada
Haukipudas
Kymenlaakso- Tornio
Pirkanmaa
Finland
Grafenau- Witzmannsberg
Bavaria
Germany- Luxembourg
Wanneperveen
Overijssel
Netherlands
Jämshög
Blekinge- Arbrå
- Hudiksvall
Gävleborg- Vaggeryd
Jönköping- Eskilstuna
- Flen
- Hälleforsnäs
- Katrineholm
- Malmköping
- Trosa
- Vagnhärad
- Vingåker
Södermanland- Röbäck
Västerbotten- Söråker
Västernorrland- Norberg
- Surahammar
Västmanland- Billdal
- Borås
- Ed
- Grebbestad
- Kållered
- Lidköping
- Partille
- Stenkullen
- Tanumshede
Västra Götaland- Garphyttan
Örebro- Malmslätt
- Stenstorp
- Söderköping
- Österbymo
Östergötland
Sweden
Bardon Mill- Gosforth
England
United Kingdom
Brookfield- La Grange Park
- North Riverside
- Riverside
Illinois- Amesbury
Massachusetts- Columbia Falls
Montana- New London
New Hampshire- Averill Park
- Bedford
- Borough of Bronx
- Cairo
- Cayuga Heights
- Dryden
- East Ithaca
- Eastchester
- Fort Edward
- Garden City Park
- Hartsdale
- Herricks
- Ithaca
- Manhasset Hills
- Mount Vernon
- New Hyde Park
- North New Hyde Park
- Northeast Ithaca
- Peekskill
- Penn Yan
- Pound Ridge
- Scarsdale
- South Hill
- Suffern
- Yonkers
New York- Bradford
- Hemlock Farms
- Richlandtown
Pennsylvania- Whitefish Bay
Wisconsin
United States
Bertrange