Betula pubescens var. pumila

Taxonavigation edit

Taxonavigation: Fagales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fagales

Familia: Betulaceae
Subfamilia: Betuloideae
Genus: Betula
Subgenus: Betula subg. Betula
Sectio: Betula sect. Betula
Species: Betula pubescens
Varietas: Betula pubescens var. pumila

Name edit

Betula pubescens Ehrh. var. pumila (Zanoni ex Murray) Govaerts, World Checkl. Seed Pl. 2(1): 10 (1996).

Synonyms edit

  • Basionym
    • Betula alba var. pumila Zanoni ex Murray, Prodr. Stirp. Gott.: 77 (1770).
  • Heterotypic
    • Betula borealis Spach, Ann. Sci. Nat., Bot., sér. 2, 15: 196 (1841).
    • Betula tortuosa Ledeb., Fl. Ross. 3: 652 (1850).
    • Betula pubescens var. tiliifolia Laest., Bot. Not. 1856: 106 (1857).
    • Betula pumila var. borealis (Spach) Regel, Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 113 (1861).
    • Betula tortuosa var. genuina Regel, Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 90 (1861), nom. inval.
    • Betula tortuosa var. pubescens Regel, Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 93 (1861).
    • Betula alba subsp. tortuosa (Ledeb.) Regel, Bull. Soc. Imp. Naturalistes Moscou 38(2): 404 (1865).
    • Betula pubescens subsp. tortuosa (Ledeb.) Nyman, Consp. Fl. Eur.: 672 (1881).
    • Betula odorata var. tortuosa (Ledeb.) Rosenv., Meddel. Grønland 3: 707 (1892).
    • Betula pubescens var. tortuosa (Ledeb.) Koehne, Deut. Dendrol.: 109 (1893).
    • Betula pubescens subsp. borealis (Spach) Á.Löve & D.Löve, Univ. Colorado Stud., Ser. Biol. 17: 20 (1965).
    • Betula czerepanovii N.I.Orlova, Vestn. Leningradsk. Univ. 1978(3): 60 (1978).
    • Betula pubescens subsp. czerepanovii (N.I.Orlova) Hämet-Ahti, Phytocoenologia 15: 450 (1987).
    • Betula pubescens var. czerepanovii (N.I.Orlova) Hämet-Ahti, Memoranda Soc. Fauna Fl. Fenn. 65: 9 (1989).
    • Betula czerepanovii var. nasarovii Tzvelev, Novosti Sist. Vyssh. Rast. 34: 63 (2002).

Distribution edit

Native distribution areas:
  • Continental: Europe
    • Regional: Northern Europe
      • Finland, Iceland, Norway, Sweden.
    • Regional: Eastern Europe
      • East European Russia, North European Russia.
  • Continental: Asia-Temperate
    • Regional: Siberia
      • Altay, West Siberia.
  • Continental: Northern America
    • Regional: Subarctic America
      • Greenland.
    • Regional: Eastern Canada
      • Newfoundland.

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

References edit