A mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853.

    Date:
    1853 [1854]
    Reference:
    23776i

    Licence: Public Domain Mark

    Credit: A mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853. Wellcome Collection. Source: Wellcome Collection.

    no text alternative