1. species: Quercus chrysolepis Liebm. – California Live-Oak

    Taxon group: flowering plant

    Quercus chrysolepis Liebm.
    Quercus chrysolepis
    Quercus

  2. species: Elsinoe quercus-ilicis (G. Arnaud) Jenkins & Goid.

    Taxon group: fungus

    Elsinoe quercus-ilicis (G. Arnaud) Jenkins & Goid.
    Elsinoe quercus-ilicis

  3. species: Arnoldiola quercus (Binnie, 1877)

    Taxon group: insect - true fly (Diptera)

    Arnoldiola quercus
    Arnoldiola quercus (Binnie, 1877)

  4. species: Mycetinis querceus (Britzelm.) Antonín & Noordel.

    Taxon group: fungus

    Mycetinis querceus (Britzelm.) Antonín & Noordel.
    Mycetinis querceus

  5. species: Sphaerosoma quercus Samouelle, 1819

    Taxon group: insect - beetle (Coleoptera)

    Sphaerosoma quercus
    Sphaerosoma quercus Samouelle, 1819

  6. species: Quercus castaneifolia C.A. Mey. – Chestnut-Leaved Oak

    Taxon group: flowering plant

    Quercus castaneifolia
    Quercus castaneifolia C.A. Mey.
    Quercus

  7. species: Orchestes (Orchestes) quercus (Linnaeus, 1758)

    Taxon group: insect - beetle (Coleoptera)

    Orchestes (Orchestes) quercus
    Orchestes (Orchestes) quercus (Linnaeus, 1758)

  8. species: Mesochorus quercus Schwenke, 2004

    Taxon group: insect - hymenopteran

    Mesochorus quercus Schwenke, 2004
    Mesochorus quercus

  9. species: Lachesilla quercus (Kolbe, 1880)

    Taxon group: insect - booklouse (Psocoptera)

    Lachesilla quercus
    Lachesilla quercus (Kolbe, 1880)

  10. species: Quercus rubra L. – Derw Coch

    Derw Coch, Red Oak, Derwen Goch

    Taxon group: flowering plant

    Quercus rubra
    Quercus rubra L.
    Quercus