1. species: Betula papyrifera Marshall – Paper Birch

    Taxon group: flowering plant

    Betula
    Betula papyrifera
    Betula papyrifera Marshall

  2. species: Betula albosinensis – White Birch

    Taxon group: flowering plant

    Betula albosinensis

  3. species: Puccinia petasites-pendulae Gäum.

    Taxon group: fungus

    Puccinia petasites-pendulae Gäum.
    Puccinia petasites-pendulae

  4. species: Phlebiella caricis-pendulae P. Roberts

    Taxon group: fungus

    Phlebiella caricis-pendulae
    Phlebiella caricis-pendulae P. Roberts

  5. species: Cecidophyopsis betulae (Nalepa, 1891)

    Taxon group: acarine (Acari)

    Cecidophyopsis betulae (Nalepa, 1891)
    Cecidophyopsis betulae

  6. species: Betula nana L. – Corfedw

    Corfedw, Dwarf Birch, Corfedwen

    Taxon group: flowering plant

    Betula nana
    Betula
    Betula nana L.

  7. species: Russula betulae Bidaud

    Taxon group: fungus

    Russula betulae
    Russula betulae Bidaud

  8. species: Sphaeropsis betulae Cooke

    Taxon group: fungus

    Sphaeropsis betulae Cooke
    Sphaeropsis betulae

  9. species: Phaeosolenia betulae W.B. Cooke

    Taxon group: fungus

    Phaeosolenia betulae W.B. Cooke
    Phaeosolenia betulae

  10. species: Amanita betulae Neville & Poumarat

    Taxon group: fungus

    Amanita betulae Neville & Poumarat
    Amanita betulae