Rhynchospora alba
Credit: Photo by Umberto Ferrando - Foto visualizzata 522 volte

Rhynchospora alba
Credit: Photo by Umberto Ferrando - Foto visualizzata 505 volte

Rhynchospora alba
Jacob Sturm, Johann Georg Sturm - Deutschlands Flora in Abbildungen (1796). - This image is in the public domain because its copyright has expired. - Foto visualizzata 528 volte

Rhynchospora alba
Credit: Photo by Umberto Ferrando - Foto visualizzata 500 volte

Rhynchospora alba
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 546 volte

Rhynchospora fusca
Jacob Sturm, Johann Georg Sturm - Deutschlands Flora in Abbildungen (1796). - This image is in the public domain because its copyright has expired. - Foto visualizzata 379 volte

Rhynchospora fusca
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 344. - Foto visualizzata 342 volte

Rhynchospora fusca
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 384 volte