giant spear moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Hypnales
- family: Amblystegiaceae
- genus: Calliergon
- species: Calliergon giganteum
Kiiminki
Kymenlaakso
Finland
Wanneperveen
Overijssel
Netherlands
Jönköping
Jönköping
Södra Sandby
Kalmar
Norra Åsum
Skåne
Röbäck
Västerbotten
Norberg
Västmanland
Garphyttan
Åsbro
Örebro
Sweden
Danbury
New Haven
North Branford
Connecticut
Harrison
Maine
Stockbridge
Massachusetts
Cheboygan
Michigan
Minneapolis
Minnesota
Columbia Falls
Montana
United States
Maniwaki
Białka
Montana