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American fern journal - American Fern Society. (American Fern Society, 1940)

American fern journal - American Fern Society. (American Fern Society, 1940)

American fern journal - American Fern Society. (American Fern Society, 1940)

American fern journal - American Fern Society. (American Fern Society, 1940)

American fern journal - American Fern Society. (American Fern Society, 1949)

American fern journal - American Fern Society. (American Fern Society, 1949)

American fern journal - American Fern Society. (American Fern Society, 1949)

American fern journal - American Fern Society. (American Fern Society, 1951)

American fern journal - American Fern Society. (American Fern Society, 1951)

American fern journal - American Fern Society. (American Fern Society, 1952)

American fern journal - American Fern Society. (American Fern Society, 1954)

American fern journal - American Fern Society. (American Fern Society, 1954)

American fern journal - American Fern Society. (American Fern Society, 1954)

American fern journal - American Fern Society. (American Fern Society, 1954)

American fern journal - American Fern Society. (American Fern Society, 1955)

American fern journal - American Fern Society. (American Fern Society, 1955)

American fern journal - American Fern Society. (American Fern Society, 1955)

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American fern journal - American Fern Society. (American Fern Society, 1962)

American fern journal - American Fern Society. (American Fern Society, 1962)

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American fern journal - American Fern Society. (American Fern Society, 1972)

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La Cellule (Van In [etc.], 1920)

La Cellule (Van In [etc.], 1920)

La Cellule (Van In [etc.], 1920)

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Flora Malesiana. Series II, Pteridophyta - Rijksherbarium (Netherlands) (M. Nijhoff/W. Junk, 1981)

Flora of the Lesser Antilles : Leeward and Windward Islands - Proctor, George Richardson, 1920 -2015 (Arnold Arboretum, Harvard University, 1977)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

Flore de Madagascar et des Comores : plantes vasculaires - Humbert, H. 1887 -1967 (Imprimerie officielle, 1958)

Garden work, planting etc - Botanic Gardens (Singapore) (1933)

The Gardens' bulletin; Straits Settlements (Botanic Gardens, Singapore, 1934)

General index to the flora of Formosa as recorded in all literature up to the publication of Icones plantarum Formosanarum VI = Taiwan shokubutsu somokuroku - Hayata, Bunzō, 1874 -1934 (Taiwan Sotokufu Minseibu Shokusankyoku, 1917)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Hedwigia (Verlag und Druck von C. Heinrich, 1919)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1913)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1934)

Journal of South African Botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1974)

The journal of the College of Science, Imperial University of Tokyo, Japan = Tokyo Teikoku Daigaku kiyo. Rika - Tokyo Teikoku Daigaku. Rigakubu. (The University, 1911)

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Journal of the Elisha Mitchell Scientific Society - Elisha Mitchell Scientific Society (Chapel Hill, N.C.) (Elisha Mitchell Scientific Society [etc.], 1918)

Journal of the Elisha Mitchell Scientific Society - Elisha Mitchell Scientific Society (Chapel Hill, N.C.) (Elisha Mitchell Scientific Society [etc.], 1918)

Journal of the Elisha Mitchell Scientific Society - Elisha Mitchell Scientific Society (Chapel Hill, N.C.) (Elisha Mitchell Scientific Society [etc.], 1918)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1917)

Leaflets of Philippine botany (Oriental Printing Co, 1908)

Leaflets of Philippine botany (Oriental Printing Co, 1910)

Leaflets of Philippine botany (Oriental Printing Co, 1920)

Leaflets of Philippine botany (Oriental Printing Co, 1920)

Leaflets of Philippine botany (Oriental Printing Co, 1920)

Malayan ferns : handbook to the determination of the ferns of the Malayan islands (incl. those of the Malay Peninsula, the Philippines, and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1908)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1908)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1908)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1908)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1908)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1917)

Malayan ferns. Handbook to the determination of the ferns of The Malayan islands (incl. those of the Malay Peninsula, the Philippines and New Guinea) - Alderwerelt van Rosenburgh, C. R. W. K. van (Cornelis Rugier Willem Karel), 1863 -1936 (Landsdrukkerij, 1917)

Mededeelingen van 's Rijks Herbarium - Rijksherbarium (Netherlands) ([Rijks Universiteit, Rijks Herbarium], 1916)

A monograph of the genus Dryopteris - Christensen, Carl, 1872 -1942 (B. Lunos bogtr, 1919)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1967)

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Plant lists : China - Metcalf, Franklin P. (Franklin Post), 1892 -1955 (1924)

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Price list, season 1937-38 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Soule's Gladiolus Garden, 1937)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

The problem of Krakatao as seen by a botanist - Backer, C. A. (Cornelis Andries), 1874 -1963 (The author, 1900)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1923)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1923)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1923)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1923)

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Revista do Museu Paulista - Museu Paulista (O Museu, 1929)

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Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1984)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1984)

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Spiciligium filicum philippinensium novarum aut imperfecte cognitarum ; The Philippine species of Dryopteris - Christ, H. (Hermann), 1833 -1933 (Bureau of printing, 1907)

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Sub-tropical bulbs & plants : suitable for the conservatory, greenhouse, or window garden in the north, and for growing outdoors in warm climates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wyndham Hayward, 1936)

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