More search options

Open Access Resources.

We are sorting your search results to highlight Open Access and other online resources. Some publishers are giving free access to online materials during the corona virus outbreak — find and access many of these resources through Discover. Read more on our blog....

Results 1 - 25 of 154338.

Cover image
Published
Berlin : Nauck'sche Buchhandlung.
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Published
Berlin : Verlag von Wiegandt & Hempel.
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Urban, Ignaz, 1848-1931.
Published
Berlin, 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Museo Nacional De Costa Rica.
Published
San Jose; Costa Rica
periodical
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Teoria generale della fillotassi, [by] Federico Delpino.
Author
  • Delpino, Federico, 1833-1905.
Published
Genova, Coi tipi dello stabilemento Armanino, 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Mémoire sur la famille des Guttifères / par J.E. Planchon ... et José Triana.
Author
  • Planchon, Jules Émile (1823-1888).
Published
Paris : Victor Masson et Fils, 1862.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Petermann, Wilhelm Ludwig (1806-1855)
Published
Lipsiae : Typis Staritzii, 1835.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Conspectus regni vegetabilis per gradus naturales evoluti. Tentamen, auctore H. Th. L. Reichenbach ... Pars prima. Inest clavis herbariorum hortorumque seu dispositio regni vegetabilis secundum classes, ordines, formationes, familias, tribus, genera et subgenera, adiecto indice locupletissimo generum, subgenerum, synonymorum et nomium francogallicorum.
Author
  • Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig) (1793-1879)
Published
Lipsiae, apud C. Cnobloch, 1828.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Morris, Richard.
Published
London : Printed for the author, and sold by J. Harding ..., Sherwood, Jones, and Co. ..., W. Wood ..., Mr Lee ... and the author ..., 1824.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Newhall, Charles Stedman (1842-1935)
Published
New York : G. P. Putnam's, 1891.
book
  • E-resource
  • Printed resource
  • OA Open Access
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Sulla eterofillia / per G.A. Pasquale.
Author
  • Pasquale, Guiseppe Antonio (1820-1893)
Published
Napol : Stab. tip. Ghio, 1867.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Jardín Botánico (Santiago, Chile)
Published
Santiago de Chile : Impr. Nacional, 1884.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Philippi, Rodolfo Amando (1808-1904)
Published
Halis Saxonum : Sumptibus E. Anton, 1860.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Les champignons comestibles et vénéneux de la région de Montpellier et des Cévennes aux points de vue économique et médical / par Louis Planchon, docteur en médecine, aide-botaniste a la Faculté de Médecine de Montpellier.
Author
  • Planchon, Louis (1858-1915).
Published
Montpellier : Imprimerie Centrale du Midi (Hamelin Frères), 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Meissner, C. F. (Carl Friedrich) (1800-1874)
Published
München : G. Franz, 1869.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Flora española, ó, Historia de las plantas, que se crian en España. / Su autor Joseph Quer, cirujano de S.M. ... y Primer Professor de Botanica del Real Jardin de Plantas de Madrid.
Author
  • Quer, Joseph, 1695-1764.
Published
Madrid : Por Joachin Ibarra, 1762-1784.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
L'Amorphopallus Rivieri Dr. / par Aug. Rivière.
Author
  • Riviere, Auguste (1821-1877)
Published
[Paris : Impr. Horticole de E. Donnaud], 1871.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Memoria sobre las virtudes y usos de la raiz de Purhampuy ó China Peruana / por don Hipólito Ruiz ; ilustrada y aumentada por el licenciado Antonio Ruiz.
Author
  • Ruiz, Hipólito (1754-1816)
Published
Madrid : Imprenta de José del Collado, 1821.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Piper, Charles Vancouver (1867-1926)
Published
Pullman : The Washington agricultural college and school of science, 1901.
book
  • E-resource
  • Printed resource
  • OA Open Access
Cover image
Author
  • Saccardo, P. A. (Pier Andrea) (1845-1920)
Published
Patavii : P. Fracanzani, 1883.
book
  • E-resource
  • Printed resource
  • OA Open Access

Export:

Selection Options