Diphasiastrum tristachyum

Diphasiastrum tristachyum, Odenwald, Germany

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, 2nd 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

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