Diphasiastrum tristachyum

Taxonavigation

Taxonavigation: Lycopodiales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Lycopodiidae Ordo: Lycopodiales

Familia: Lycopodiaceae
Subfamilia: Lycopodioideae
Genus: Diphasiastrum
Species: Diphasiastrum tristachyum

Name

Diphasiastrum tristachyum (Pursh) Holub, Preslia 47(2): 108. 1975.

Synonyms

Basionym
- Lycopodium tristachyum Pursh, Fl. Amer. Sept. 653. 1814.
Homotypic
- Diphasium tristachyum (Pursh) Rothm., Repert. Spec. Nov. 54: 65. 1944.
- Lycopodium aristatum var. tristachyum (Pursh) Hook.
- Lycopodium complanatum subsp. tristachyum (Pursh) Dostál
- Lycopodium complanatum var. tristachyum (Pursh) Clute
Heterotypic
- Lycopodium chamaecyparissus A.Braun ex Mutel, Fl. Franc. 4: 192. 1837.
  - Lycopodium complanatum var. chamaecyparissus (A.Braun ex Mutel) Döll, 1855.
  - Lycopodium complanatum subsp. chamaecyparissus (A.Braun ex Mutel) Milde, Nov. Actorum Acad. Caes Leop. Carol. Nat. Cur. 26: 395. 1858.
  - Lycopodium complanatum var. chamaecyparissus (A.Braun ex Mutel) A.A.Eaton, Manual (Gray), ed. 6. 697. 1890.
  - Lycopodium complanatum var. chamaecyparissus (A.Braun ex Mutel) Rosenv., Meddel. Gronland 3: 737. 1891. comb. superfl.
  - Lycopodium complanatum race chamaecyparissus (A.Braun ex Mutel) Rouy, 1913.
  - Diphasium chamaecyparissus (A.Braun ex Mutel) Á.Löve & D.Löve, Bot. Notis. 114: 34. 1961.
  - Diphasiastrum complanatum subsp. chamaecyparissus (A.Braun ex Mutel) Kukkonen, 1984.
  - Diphasium complanatum subsp. chamaecyparissus (A.Braun ex Mutel) Dostál, nom. inval.
- Lycopodium complanatum var. patentifolium Spring, Nouv. Mém. Acad. Roy. Sci. Bruxelles 15: 102. 1842.
- Diphasium thyoides (Humb. & Bonpl.) O.Schwarz, 1949.

Hybrids

Diphasiastrum × habereri (House) Holub
Diphasiastrum × oellgaardii Stoor et al.
Diphasiastrum × sabinifolium (Willd.) Holub
Diphasiastrum × zeilleri (Rouy) Holub

Distribution

Native distribution areas:

Continental: Europe
- Regional: Northern Europe
  - Denmark, Finland, Great Britain (extinct), Iceland, Norway, Sweden.
- Regional: Middle Europe
  - Austria, Belgium (Belgique, Luxembourg), Czechoslovakia (Czech Republic), Germany (Brandenburg, Berlin (extinct), Baden-Württemberg, Bayern, Hessen, Hamburg (extinct), Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Schleswig-Holstein (extinct), Saarland, Sachsen, Sachsen-Anhalt, Thüringen), Hungary, Netherlands, Poland, Switzerland.
- Regional: Southwestern Europe
  - France.
- Regional: Southeastern Europe
  - Italy, Romania, Yugoslavia (Slovenia)
- Regional: Eastern Europe
  - Baltic States (Estonia, Latvia, Lithuania), Krym, Central European Russia, North European Russia, Northwest European Russia, Ukraine.
Continental: Asia-Temperate
- Regional: Caucasus
  - Transcaucasus (Adzhariya)
- Regional: Western Asia
  - Turkey
Continental: Northern America
- Regional: Western Canada
  - Manitoba.
- Regional: Eastern Canada
  - Labrador, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Isle, Québec.
- Regional: North-Central U.S.A.
  - Minnesota, Missouri, Wisconsin.
- Regional: Northeastern U.S.A.
  - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia,
- Regional: Southeastern U.S.A.
  - Alabama, Delaware, District of Columbia, Georgia, Kentucky, North Carolina, South Carolina, Tennessee, Virginia.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

References

Holub, J. 1975. Diphasiastrum, a new genus in Lycopodiaceae. Preslia 47(2): 97–110. PDF Reference page.

Links

Hassler, M. & Schmitt, B. 2019. World Ferns. Checklist of the Ferns and Lycophytes of the World. Version 7.71 – March 2019. Accessed 20 May 2019.
Hassler, M. 2019. Diphasiastrum tristachyum – World Ferns: Checklist of Ferns and Lycophytes of the World . In: Roskov Y., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J. & Penev L. (eds.) 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 May 20.
International Plant Names Index. 2019. Diphasiastrum tristachyum. Published online. Accessed: May 20 2019.
Govaerts, R. et al. 2019. Diphasiastrum tristachyum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 May 20. Reference page.
Tropicos.org 2019. Diphasiastrum tristachyum. Missouri Botanical Garden. Published online. Accessed: 20 May 2019.
Euro+Med 2006 onwards: Diphasiastrum tristachyum in Euro+Med PlantBase – the information resource for Euro-Mediterranean plant diversity. Published online. Accessed: 2019 May 20.
USDA NRCS PLANTS Profile

Vernacular names

Deutsch: Zypressen-Flachbärlapp
English: Blue Clubmoss
eesti: Nõmm-vareskold
suomi: Harjukeltalieko
lietuvių: Trivarpė padraika
latviešu: Trejvārpu plakanstaipeknis
Nederlands: Kleine wolfsklauw
polski: Widlicz cyprysowy

For more multimedia, look at Diphasiastrum tristachyum on Wikimedia Commons.