A short flora of Berwickshire - Braithwaite, Michael E. (M.E. Braithwaite, 2014)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2001)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2002)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2019)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1962)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1968)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1977)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2001)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2002)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2004)

[Siebrecht & Wadley materials] - Siebrecht & Wadley. (1886)

Silva Capensis, or a description of South African forest trees and arborescent shrubs used for technical and economical purposes - Pappe, Karl Wilhelm Ludwig, 1803 -1862 (Ward, 1862)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1839)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn, 1856)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Abt. 1, Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1882)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1886)

Skånes flora : innefattande de fanerogama och ormbunkartade växterna - Areschoug, F. W. C. (Fredrik Wilhelm Christian), 1830 -1908 (C.W.K. Gleerup, 1866)

A sketch of the natural history of the District of Columbia together with an indexed ed. of the U. S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 ([Press of H. L. & J. B. McQueen, inc.], 1918)

A sketch of the natural history of the District of Columbia together with an indexed edition of the U.S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 (H.L. & J.B. McQueen, Inc, 1918)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1914)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1911)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1921)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1916)

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Southwick Nurseries 1890 wholesale catalogue of North American perennials, new Tigridias, California bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southwick Nurseries, 1890)

Special fall offerings of hardy native deciduous trees, shrubs, rock garden plants, lilies, etc. at very special prices : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

Special papers - Ohio Academy of Science. (The Academy, 1909)

Special reports of state geologist, 1860 - Geological Survey of California. (John Wilson & Son, 1880)

Special spring prices for the benefit of early spring buyers : spring delivery if desired, prices void after March 1, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

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, 1860)

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, 1862)

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)

Sporeplanterne (kryptogamerne) - Kolderup Rosenvinge, L. (Lauritz), 1858 -1939 (Glydendalske Boghandel, Nordisk Forlag, 1913)

Sport in Norway, and where to find it. Together with a short account of the vegetable productions of the country. To which is added, a list of the Alpine flora of the Dovre fjeld and of the Norwegian ferns, &c - Barnard, Mordaunt. (Chapman and Hall, 1864)

Sprawozdanie Komisyi Fizyograficznej (1892)

Sprawozdanie Komisyi Fizyograficznej (1893)

Sprawozdanie Komisyi Fizyograficznej (1897)

Sprawozdanie Komisyi Fizyograficznej (1904)

Spring 1923 : everything for the orchard or park - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Consolidated Nurseries, 1923)

Spring and autumn 1957, hardy rock garden and alpine plants, wildflowers, low perennials, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sky-Cleft Gardens, 1957)

Spring and autumn 1958, hardy rock garden and alpine plants, perennials, wildflowers, ferns, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sky-Cleft Gardens, 1958)

Spring and autumn 1959 : hardy rock garden and alpine plants, perennials, wildflowers, ferns, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sky-Cleft Gardens, 1959)

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)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

The structure & development of the mosses and ferns (Archegoniatae) (Macmillan, 1895)

The structure and development of mosses and ferns (Archegoniatae) (Macmillan, 1905)

The structure and development of mosses and ferns (Archegoniatae) (Macmillan, 1918)

The structure and development of mosses and ferns (Archegoniatae) (Macmillan, 1928)

The student's flora of the British Islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan and Co, 1870)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (Sonnenschein, 1894)

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 plant life in Canada; or, Gleanings from forest, lake and plain - Traill, Catherine Parr Strickland, 1802 -1899 (A.S. Woodburn, 1885)

Studies on the plant cell. pt.1-8 - Davis, Bradley M. (Bradley Moore), 1871 -1957 (Ginn and Co, 1904)

The study of the biology of ferns by the collodion method. : for advanced and collegiate students - Atkinson, George Francis, 1854 -1918 (Macmillan and Co, 1894)

A study of the biology of the apple magot[!] (Rhagoletis pomonella) together with an investigation of methods of control - Illingworth, J. F., 1870 -1949 (1912)

Sub-alpine plants : or, flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (G. Routledge & Sons, 1912)

Sub-alpine plants : or, Flowers of the Swiss woods and meadows - Thompson, Harold Stuart, 1870 -1940 (Routledge, 1912)

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)

A summer in Greenland - Seward, A. C. Sir, (Albert Charles), 1863 -1941 (University Press, 1922)

A supplement to Baines' Flora of Yorkshire, with a map : part first, the flowering plants and ferns by John Gilbert Baker : part second, the mosses of the county by John Nowell - Baker, John Gilbert, 1834 -1920 (William Pamplin, 1854)

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)

Supplementum tentaminis pteridographiae, continens genera et species ordinum dictorum marattiaceae, ophioglossaceae, osmundaceae, schizaeaceae et lygodiaceae - Presl, K. B. 1794 -1852 (E typographia Cass. reg. Aulica filiorum Amadei Haase, 1849)

Survey of rare vascular plants in La Butte Creek wildland provincial park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2005)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1908)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1909)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1916)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1921)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1923)

Svensk flora. Beskrifning öfver Sveriges fanerogamer och ormbunkar - Kindberg, N. C. (Nils Conrad), 1832 -1910 (P.M. Sahlströms bokhandel (H.W. Tullberg), 1877)

The Swan and her crew; or, The adventures of three young naturalists and sportsmen on the Broads and rivers of Norfolk - Davies, G. Christopher (George Christopher), 1849 -1922 (F. Warne, 1878)

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 : zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1904)

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)

Syllabus florae Siculae; seu, Vascularium plantarum Siciliam sponte incolentium enumeratio - Nicotra, Leopoldo, 1846 -1940 (1893)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1788)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1913)

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

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1980)