American fern journal - American Fern Society. (American Fern Society, 1945)

American fern journal - American Fern Society. (American Fern Society, 1968)

American fern journal - American Fern Society. (American Fern Society, 1968)

American fern journal - American Fern Society. (American Fern Society, 1974)

American fern journal - American Fern Society. (American Fern Society, 1987)

American fern journal - American Fern Society. (American Fern Society, 1995)

American fern journal - American Fern Society. (American Fern Society, 1995)

American fern journal - American Fern Society. (American Fern Society, 1995)

American fern journal - American Fern Society. (American Fern Society, 1995)

American fern journal - American Fern Society. (American Fern Society, 1998)

American fern journal - American Fern Society. (American Fern Society, 2017)

American fern journal - American Fern Society. (American Fern Society, 2017)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1980)

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Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1882)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1886)

Botanica - Hoehne, F. C. (Frederico Carlos), 1882 -1959 ([the CommissaÌƒo], 1916)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1896)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1901)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1901)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1901)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1897)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1896)

Bulletin of the Natural History Museum. Botany series - Natural History Museum (London, England) (The Natural History Museum, 2000)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1907)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1911)

Catálogo de las plantas vasculares del Cono Sur : (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay) - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador - González, Amada Pedroni. (Missouri Botanical Garden Press, 1999)

Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador - González, Amada Pedroni. (Missouri Botanical Garden Press, 1999)

A check list of the vascular plants of Nicaragua : based largely on collections in Nicaragua made by the author and companions, 1968-1976 - Seymour, Frank Conkling. (H.N. Moldenke and A.L. Moldenke, 1980)

Colombia, Perú : bajo Putumayo-Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Keller Science Action Center, 2021)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1959)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1959)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1964)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1964)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1889)

Enumeratio plantarum Guatemalensium imprimis a H. de Tuerckheim collectarum - Smith, John Donnell, 1829 -1928 (H.N. Patterson, 1903)

An enumeration of the vascular plants known from Surinam : together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam : together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

Die Farnkräuter der Erde : beschreibende Darstellung der geschlechter und wichtigeren Arten der Farnpflanzen mit besonderer Berücksichtigung der Exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2009)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2009)

The ferns (Filicales) treated comparatively with a view to their natural classification - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1923)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1981)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1981)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1989)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1989)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1989)

Flórula de las reservas biológicas de Iquitos, Perú : Allpahuayo-Mishana, Explornapo Camp, Explorama Lodge - Missouri Botanical Garden. (Missouri Botanical Garden, 1997)

Flora Brasiliensis, enumeratio plantarum in Brasilia hactenus detectarum :quas suis aliorumque botanicorum studiis descriptas et methodo naturali digestas partim icone illustratas - Martius, Karl Friedrich Philipp von, 1794 -1868 (R. Oldenbourg, 1840)

Flora del Río Cenepa, Amazonas, Perú - Vásquez Martínez, Rodolfo (Missouri Botanical Garden Press, 2010)

Flora del Río Cenepa, Amazonas, Perú - Vásquez Martínez, Rodolfo (Missouri Botanical Garden Press, 2010)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1896)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1896)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1896)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1896)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1911)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1911)

Flora of British Honduras : price list of seeds & herbarium material - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Schipp, 1933)

Flora of Chiapas - California Academy of Sciences (California Academy of Sciences, 1981)

Flora of the Lesser Antilles : Leeward and Windward Islands - Proctor, George R (Arnold Arboretum, Harvard University, 1977)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1907)

Historia filicum an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

Iconum botanicarum index locupletissimus. Verzeichniss der Abbildungen sichtbar blühender Pflanzen und Farnkräuter aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (Nicolaische Verlagsbuchh, 1866)

Inventaire taxonomique des plantes de la Guyane française I Les ptéridophytes - Cremers, G. (1990)

Inventaire taxonomique des plantes de la Guyane française I Les ptéridophytes - Cremers, G. (1990)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1896)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1905)

Das Leben der Pflanze - Francé, R. H. (Raoul Heinrich), 1874 -1943 (Kosmos, Gesellschaft der Naturfreunde, 1906)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1847)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1847)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1848)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1848)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1842)

Mémoires sur la famille des fougères - Fée, Antoine Laurent Apollinaire, 1789 -1874 (Impr. de Ve. Berger-Levrault, 1852)

Mémoires sur la famille des fougères - Fée, Antoine Laurent Apollinaire, 1789 -1874 (Impr. de Ve. Berger-Levrault, 1852)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Notes ptéridologiques - Bonaparte, Roland, prince, 1858 -1924 (Impr. pour l'auteur, 1915)

Notes ptéridologiques - Bonaparte, Roland, prince, 1858 -1924 (Impr. pour l'auteur, 1915)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1915)

Perú, Medio Putumayo-Algodón - Stotz, Douglas F. (Douglas Forrester), 1956 - (Field Museum of Natural History, 2016)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Die Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

Plant lists : Costa Rica, Guatemala, and Ecuador - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (1935)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1922)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1922)

Pteridologia : a publication of the American Fern Society - American Fern Society. (The Society, 1989)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rare and endangered plants of Puerto Rico : a committee report - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service in cooperation with the Department of Natural Resources, Commonwealth of Puerto Rico, 1975)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2005)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1864)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1864)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1861)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1861)

A second century of ferns : being figures with brief descriptions of one hundred new, or rare, or imperfectly known species of ferns from various parts of the world - Hooker, William Jackson, Sir, 1785 -1865 (Dulau, 1861)

Size and form in plants with special reference to the primary conducting tracts - Bower, F. O. (Frederick Orpen), 1855 -1948 (Macmillan, 1930)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2019)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2019)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2019)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2023)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2023)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2023)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2023)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1846)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1846)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1864)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1846)

Species filicum; being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access; accompanied with numerous figures - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1846)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2003)