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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1913)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

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)

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

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (Swan Sonnenschein, 1895)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co, 1896)

A students' text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein, 1895)

Studies of tropical American birds - Nuttall Ornithological Club. (The Club, 1972)

La subregión fitogeográfica costarricense - Sociedad Nacional de Agricultura de Costa Rica. (Sociedad Nacional de Agricultura de Costa Rica, 1909)

A summary of the new ferns which have been discovered or described since 1874 - Baker, John Gilbert, 1834 -1920 (Clarendon, 1892)

A summary of the new ferns which have been discovered or described since 1874 - Baker, John Gilbert, 1834 -1920 (Clarendon Press, 1892)

Supplement to The ferns of southern India and British India : containing a revised list of all the ferms of India, Ceylon, Birmah, and the Malay peninsula and 45 plates of hitherto unfigured species - Beddome, R. H. (Richard Henry), 1830 -1911 (printed by Gantz Brothers, 1876)

Sur la flore de la Serra do Itatiaya au Brésil - Dusén, P. (Per), 1855 -1926 (Imprensa Nacional, 1905)

Swainsona - Botanic Gardens of Adelaide; State Herbarium. Board. (Board of the Botanic Gardens and State Herbarium, 2021)

Syllabus de Pflanzenfamilien, eine Übersicht über das gesamte Pflanzensystem mit besonderer Berücksichtigung der Medizinalund Nutzpflanzen nebst einer Ubersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1919)

Syllabus der pflanzenfamilien : eine übersicht über das gesamte pflanzensystem mit berücksichtigung der medizinal- und nutzpflanzen, nebst einer übersicht über die florenreiche und florengebiete der erde, über spezielle und medizinisch-pharmazeutische botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1909)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen nebst einer Übersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über specielle und medicinisch-pharmaceutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1903)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1903)