1941 catalog of cactus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1941)

1947 treasure trove from Cactus Land - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1947)

1949 treasure trove from cactus land - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1949)

1949 treasure trove from cactus land - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1949)

1957 retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gates Cactus Inc, 1957)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1899)

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Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1899)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1899)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1899)

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Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1925)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1925)

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Bibliografía botánica taxonómica de Chile - Marticorena, Clodomiro (Missouri Botanical Garden, 1992)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

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Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1905)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1905)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1914)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1913)

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Bulletin - United States National Museum (G.P.O, 1969)

Bulletin - United States National Museum (G.P.O, 1969)

Bulletin - United States National Museum (G.P.O, 1969)

Bulletin - United States National Museum (G.P.O, 1969)

Bulletin du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Impr. nationale, 1904)

Bulletin du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Impr. nationale, 1904)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1919)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1923)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1923)

Las Cactáceas de MÉXICO - Bravo-Hollis, Helia, 1901 -2001 (UNAM [Imprenta universitaria], 1937)

Las Cactáceas de MÉXICO - Bravo-Hollis, Helia, 1901 -2001 (UNAM [Imprenta universitaria], 1937)

Cacti and succulent : rare and unusual plants ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1940)

Cacti and succulents : rare and unusual plants from all over the world - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1939)

Cactus handbook, 1876-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1951)

Cactus handbook, 1876-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1951)

Cactus handbook, 1876-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1951)

Carl Friedrich Forster's Handbuch der Cacteenkunde in ihrem ganzen Umfange :nach dem gegenwartigen Stande der Wissenschaft bearbeitet und durch die seit 1846 begrundetet Gattungen und neu eingefuhrten Arten vermehrt - Förster, Carl Friedrich. (Wöller, 1886)

Carl Friedrich Forster's Handbuch der Cacteenkunde in ihrem ganzen Umfange :nach dem gegenwartigen Stande der Wissenschaft bearbeitet und durch die seit 1846 begrundetet Gattungen und neu eingefuhrten Arten vermehrt - Förster, Carl Friedrich. (Wöller, 1886)

Carl Friedrich Forster's Handbuch der Cacteenkunde in ihrem ganzen Umfange :nach dem gegenwartigen Stande der Wissenschaft bearbeitet und durch die seit 1846 begrundetet Gattungen und neu eingefuhrten Arten vermehrt - Förster, Carl Friedrich. (Wöller, 1886)

Carl Friedrich Forster's Handbuch der Cacteenkunde in ihrem ganzen Umfange :nach dem gegenwartigen Stande der Wissenschaft bearbeitet und durch die seit 1846 begrundetet Gattungen und neu eingefuhrten Arten vermehrt - Förster, Carl Friedrich. (Wöller, 1886)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1923)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1923)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

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

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

Catalog of cacti - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orcutt Seed and Plant Company, 1903)

A catalog of rare beautiful and curious plants : 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1957)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Checklist of CITES Species (1998)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2001)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (1996)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1892)

December 1941 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Poindexter Nursery, 1941)

Deutsche botanische Monatsschrift : Organ für Floristen, Systematiker und alle Freunde der heimischen Flora (Verlag der Redaktion, 1897)

Dictionnaire d'horticulture illustré - Bois, D. (Désiré), 1856 -1946 (P. Klincksieck, 1893)

Dictionnaire d'horticulture illustré - Bois, D. (Désiré), 1856 -1946 (P. Klincksieck, 1893)

Dictionnaire d'horticulture illustré - Bois, D. (Désiré), 1856 -1946 (P. Klincksieck, 1893)

Drought resistant plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1935)

Drought resistant plants : catalogue no. 5 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1940)

Drought resistant plants : catalogue no. 5 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1940)

Drought resistant plants : catalogue no. 6 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1941)

Drought resistant plants : catalogue no. 7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1942)

Drought resistant plants : catalogue no. 7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Cacti and Succulent Gardens, 1942)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1903)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1903)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1961)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1984)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1984)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1984)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1990)

Genera siphonogamarum ad systema Englerianum conscripta - Harms, Hermann, 1870 -1942 (G. Engelmann, 1900)

Genera siphonogamarum ad systema Englerianum conscripta - Harms, Hermann, 1870 -1942 (G. Engelmann, 1900)

Gesamtbeschreibung der Kakteen (Monographia cactacearum) - Schumann, K. (Karl) 1851 -1904 (J. Neumann, 1899)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1952)

Handbuch der Kakteenkultur : kurze Beschreibung der meisten gegenwärtig im Handel befindlichen Kakteen, nebst Angabe zu deren Pflege für Gärtner und Kakteenliebhaber zusammengestellt - Schelle, Ernst. (E. Ulmer, 1907)

Herman Tobusch, 632 So. Wisconsin Ave., Villa Park, Illinois - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herman Tobusch, 1932)

Hortus Mortolensis : enumeratio plantarum in Horto Mortolensi cultarum = Alphabetical catalogue of plants growing in the garden of the late Sir Thomas Hanbury ... at La Mortola, Ventimiglia, Italy - Berger, Alwin, 1871 -1931 (West, Newman, 1912)

Illustrated catalog and reference book 1936 : 125 new cuts, 100 illustrations of over 250 species - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shiner Cactus Nursery, 1936)

Illustrated catalog and reference book 1936 : 125 new cuts, 100 illustrations of over 250 species - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shiner Cactus Nursery, 1936)

The illustrated encyclopedia of cacti - Glass, Charles. (Knickerbocker Press, 1997)

The illustrated encyclopedia of cacti - Glass, Charles. (Knickerbocker Press, 1997)

Index Kewensis. Supplement twenty one, Names of seed-bearing plants at the rank of family and below published between January 1996 and the end of 2000 with some omissions from earlier years - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew, 1901)

Index Kewensis. Supplement twenty one, Names of seed-bearing plants at the rank of family and below published between January 1996 and the end of 2000 with some omissions from earlier years - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1991 and the end of 1995 with some omissions from earlier years. Supplement twenty - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1986 and the end of 1990 with some omissions from earlier years. Supplement nineteen - Royal Botanic Gardens, Kew. (1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker. Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker. Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLXI usque ad finem anni MDCCCCLXV nonnulla etiam antea edita complectens. Supplementum quartum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLXVI usque ad finem anni MDCCCCLXX nonnulla etiam antea edita complectens. Supplementum quintum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLI usque ad finem anni MDCCCCLV nonnulla etiam antea edita complectens. Supplementum duodecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLVI usque ad finem anni MDCCCCLX nonnulla etiam antea edita complectens. Supplementum tertium decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium familiarum et graduum infrafamiliarum ab initio anni MDCCCCLXXI usque ad finem anni MDCCCCLXXV nonnulla etiam antea edita complectens. Supplementum sextum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXVI usque ad finem anni MDCCCCXL nonnulla etiam antea edita complectens. Supplementum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXVI usque ad finem anni MDCCCCXXX complectens. Supplementum octavum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXLI usque ad finem anni MDCCCCL nonnulla etiam antea edita complectens. Supplementum undecimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium familiarum et graduum infrafamiliarum ab initio anni MDCCCCLXXI usque ad finem anni MDCCCCLXXV nonnulla etiam antea edita complectens. Supplementum sextum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXI usque ad finem anni MDCCCCXXXV complectens. Supplementum nonum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCLXXXVI usque ad finem anni MDCCCXCV complectens. Supplementum primum - Royal Botanic Gardens, Kew. (apud Alfredum Castaigne, 1901)

Index kewensis plantarum phanerogamarum nomina et synonyma omnium generum et specierum a Linnaeo usque ad annum 1885 complectens nomine recepto auctore patria unicuique plantae subjectis. Supplementum, nomina et synonyma omnium generum et specierum - Royal Botanic Gardens, Kew. (E prelo Clarendoniano, 1901)

IUCN Directory of Neotropical Protected Areas (1982)

IUCN Directory of Neotropical Protected Areas (1982)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1899)

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

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

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1925)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1925)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1925)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1926)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1926)

Late Cretaceous and Cenozoic history of Latin American vegetation and terrestrial environments - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2010)

Latest news from cactus land - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1950)

Latest news from cactus land - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1950)

Latest news from cactus land, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1951)

Latest news from cactus land, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1953)

Lexicon generum phanerogamarum inde ab anno MDCCXXXVII : cum nomenclatura legitima internationali et systemate inter recentia medio - Post, Thomas Erik von, 1858 -1912 (Deutsche verlags-anstalt, 1904)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

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Monatsschrift für Kakteenkunde (J. Neumann, 1898)

Monatsschrift für Kakteenkunde (J. Neumann, 1900)

Monatsschrift für Kakteenkunde (J. Neumann, 1901)

Monatsschrift für Kakteenkunde (J. Neumann, 1903)

Monatsschrift für Kakteenkunde (J. Neumann, 1903)

Monatsschrift für Kakteenkunde (J. Neumann, 1905)

Monatsschrift für Kakteenkunde (J. Neumann, 1905)

Monatsschrift für Kakteenkunde (J. Neumann, 1905)

Monatsschrift für Kakteenkunde (J. Neumann, 1906)

Monatsschrift für Kakteenkunde (J. Neumann, 1907)

Monatsschrift für Kakteenkunde (J. Neumann, 1908)

Monatsschrift für Kakteenkunde (J. Neumann, 1910)

Monatsschrift für Kakteenkunde (J. Neumann, 1914)

Monatsschrift für Kakteenkunde (J. Neumann, 1918)

Monatsschrift für Kakteenkunde (J. Neumann, 1921)

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Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1978)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1978)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1979)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1980)

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Treasure trove from cactus land, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1948)

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