Tetrodontium repandum

{{Short description|Species of moss}}

{{Speciesbox

| genus = Tetrodontium

| species = repandum

| authority = (Funck) Schwagrichen

|synonyms =

• Georgia brownii var. repanda (Funck) Lindb.
• Georgia repanda (Funck) Müll. Hal.
• Tetraphis browniana var. repanda (Funck) Hampe
• Tetraphis ovata var. repanda (Funck) Hampe
• Tetraphis repanda Funck
• Tetrodontium brownianum subsp. repandum (Funck) Boulay
• Tetrodontium brownianum var. repandum (Funck) Limpr.
• Tetrodontium ovatum var. repandum (Funck) Mårtensson

|synonyms_ref = [http://www.tropicos.org/Name/35105026 Tropicos, Tetrodontium repandum]

}}

Tetrodontium repandum, the small four-tooth moss,{{cite book|last=Edwards|first=Sean R.|date=2012|title=English Names for British Bryophytes|location=Wootton, Northampton|publisher=British Bryological Society|isbn=978-0-9561310-2-7|issn=0268-8034|series=British Bryological Society Special Volume|volume=5|edition=4}} is a moss in the family Tetraphidaceae.Schwägrichen, Christian Friedrich. Species Muscorum Frondosorum, Supplementum Secundum 2: 102. 1824. It is one of only two recognized species in the genus Tetrodontium, and is native to subalpine regions of the Northern Hemisphere. It has been reported from Alaska, British Columbia, Washington state, Japan, and Europe.[http://www.efloras.org/florataxon.aspx?flora_id=50&taxon_id=250064704 Bryophyte Flora of North America, vol 1]