Sensitive, threatened, and endangered vascular plants of Montana - Lesica, Peter. (Montana Natural Heritage Program, Montana State Library, 1991)

shan xi qing mu chuan zi ran bao hu qu de sheng wu duo yang xing 陕西青木川自然保护区的生物多样性 - jiang zhi gang zhu bian 蒋志刚主编 (qing hua da xue chu ban she 清华大学出版社)

shan xi zhong yao zhi 山西中药志 - shan xi wei sheng ting 山西卫生厅 (shan xi wei sheng ting 山西卫生厅, 1959)

shen nong jia zhi wu 神农架植物 - Zhongguo ke xue yuan. Wuhan zhi wu yan jiu suo 中国科学院武汉植物 研究所 (hu bei ren min chu ban she 湖北人民出版社, 1980)

sheng tai xue gai lun - Duvigneaud, Paul. (ke xue chu ban she, 1987)

sheng wu duo yang xing yu ren lei wei lai - Chen, Yiyu. (zhong guo lin ye chu ban she, 1998)

sheng wu xue - Qian, Yingqian (fu jian jiao yu chu ban she, 2004)

Shokubutsu-mei-i - Matsumura, Jinzo, 1856 -1928 (Maruzen Company, Ltd, 1916)

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

A short guide to the best varieties of evergreens, trees, shrubs, vines, fruit, perennials, etc. in small sizes as well as large, with special prices : spring 1952. catalog no. 150 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1952)

Short guide to the best varieties of hardy plants : spring 1959. Catalog no. 163 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1959)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 1989)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1967)

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.], 1979)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1988)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1992)

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

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2006)

[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)

Silvical characteristics of Engelmann spruce - Alexander, Robert R. (USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984)

Sitzungs-Berichte der naturwissenschaftlichen Gesellschaft Isis zu Dresden - Gesellschaft Isis in Dresden. (Die Gesellschaft, 1866)

Sitzungs-Berichte der naturwissenschaftlichen Gesellschaft Isis zu Dresden - Gesellschaft Isis in Dresden. (Die Gesellschaft, 1862)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1901)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1904)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1919)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1921)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1871)

Sitzungsberichte der Preussischen Akademie der Wissenschaften - Preussische Akademie der Wissenschaften. Physikalisch-Mathematische Klasse (Akademie der Wissenschaften, 1922)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1889)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1892)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1911)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1920)

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

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)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1908)

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, 1913)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1975)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2021)

Somerset archaeology and natural history : the proceedings of the Somerset Archaeological and Natural History Society - Somerset Archaeological; Natural History Society. (Somerset Archaeological and Natural History Society, 1856)

Special 30-day sale of lining-out and other stock ... surplus bargains, all nursery grown : November, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Special bargains, October 1931 : all strong nursery grown except where noted otherwise [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1931)

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 scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1983)

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)

Special thirty day sale of hardy ornamental plants : April 1 to April 30, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Species Blancoanae :a critical revision of the Philippine species of plants described by Blanco and by Llanos - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1918)

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)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1810)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1797)

Specimen florae cryptogamae vallis Arpasch Carpatae Transilvani - Heufler, Ludwig, Freiherr von, called Heufler zu Rasen, 1817 -1885 (Typis Caes. Reg. Aulae et Imperii Typographiae, 1853)

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

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