1. species: Nigella arvensis L.

    Nigella arvensis
    Nigella arvensis L.

  2. species: Micarea nigella Coppins

    Taxon group: lichen

    Micarea nigella
    Micarea nigella Coppins

  3. species: Nigella sativa L.  – Black-cumin

    Nigella sativa
    Nigella sativa L.

  4. species: Nigella hispanica L.  – Fennel-flower

    Nigella hispanica
    Nigella hispanica L.

  5. species: Ophiocten gracilis (Sars G.O., 1871)

    Taxon group: echinoderm

    Ophiocten gracilis
    Ophiocten gracilis (Sars G.O., 1871)

  6. species: Mimosella gracilis Hincks, 1851

    Taxon group: bryozoan

    Mimosella gracilis Hincks, 1851
    Mimosella gracilis

  7. species: Phyllocoptes gracilis (Nalepa, 1891)

    Taxon group: acarine (Acari)

    Phyllocoptes gracilis (Nalepa, 1891)
    Phyllocoptes gracilis

  8. species: Allopauropus (Decapauropus) gracilis (Hansen, 1902)

    Taxon group: pauropod

    Allopauropus (Decapauropus) gracilis (Hansen, 1902)
    Allopauropus (Decapauropus) gracilis

  9. species: Polycarpa gracilis Heller, 1877

    Taxon group: tunicate (Urochordata)

    Polycarpa gracilis Heller, 1877
    Polycarpa gracilis

  10. species: Surirella gracilis (W. Sm.) Grunow, 1862

    Taxon group: diatom

    Surirella gracilis
    Surirella gracilis (W. Sm.) Grunow, 1862