Trisetum distichophyllum
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 284 volte
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Trisetum flavescens
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: 217. - Foto visualizzata 341 volte
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Trisetum flavescens
Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. Washington, DC. - Non-Copyrighted Image - Foto visualizzata 327 volte
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Trisetum flavescens
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
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Trisetum flavescens subsp. purpurascens
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 155 volte
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Trisetum spicatum
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: 217. - Foto visualizzata 297 volte
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Trisetum spicatum
Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. Washington, DC. - Non-Copyrighted Image - Foto visualizzata 304 volte
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Trisetum spicatum
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image - Foto visualizzata 296 volte
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