Pilularia globulifera
C. Hoffmann - Botanischer Bilder-Atlas (1884) - This image is in the public domain because its copyright has expired. - Foto visualizzata 395 volte
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Pilularia globulifera
Hippolyte Coste - Flore descriptive et illustrée de la
France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in
public domain because its copyright has expired. - Foto visualizzata 474 volte
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Pilularia minuta
Hippolyte Coste - Flore descriptive et illustrée de la
France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in
public domain because its copyright has expired. - Foto visualizzata 430 volte
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