exclude without cards


Libellus adnatus Heiden in Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus adnatus Heiden in Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus observabilis Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus schuettii var. minor Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus schuettii var. minor Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus variabilis Heiden & Kolbe 1928     [Link to DiatomBase]


Libellus variabilis Heiden & Kolbe 1928     [Link to DiatomBase]