1. species: Betula papyrifera Marshall  – Paper Birch

    Taxon group: flowering plant

    Betula
    Betula papyrifera
    Betula papyrifera Marshall

  2. species: Betula albosinensis  – White Birch

    Betula albosinensis

  3. species: Cecidophyopsis betulae (Nalepa, 1891)

    Taxon group: acarine (Acari)

    Cecidophyopsis betulae (Nalepa, 1891)
    Cecidophyopsis betulae

  4. species: Puccinia petasites-pendulae Gäum.

    Taxon group: fungus

    Puccinia petasites-pendulae Gäum.
    Puccinia petasites-pendulae

  5. species: Phlebiella caricis-pendulae P. Roberts

    Taxon group: fungus

    Phlebiella caricis-pendulae
    Phlebiella caricis-pendulae P. Roberts

  6. species: Betula pubescens Ehrh.  – Downy Birch

    Downy Birch, Downy Birch

    Taxon group: flowering plant

    Betula pubescens
    Betula
    Betula pubescens Ehrh.

  7. species: Fusicoccum betulae Cooke

    Taxon group: fungus

    Fusicoccum betulae
    Fusicoccum betulae Cooke

  8. species: Sphaeropsis betulae Cooke

    Taxon group: fungus

    Sphaeropsis betulae Cooke
    Sphaeropsis betulae

  9. species: Amanita betulae Neville & Poumarat

    Taxon group: fungus

    Amanita betulae Neville & Poumarat
    Amanita betulae

  10. species: Stomiopeltis betulae J.P. Ellis

    Taxon group: fungus

    Stomiopeltis betulae J.P. Ellis
    Stomiopeltis betulae