Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2006)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2007)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2008)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2010)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2014)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2016)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2017)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2018)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2019)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2020)

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

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

Special sale of native plants until March 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchidwood Gardens, 1939)

Species and variations of Biotian asters, with discussion of variability in Aster - Burgess, Edward Sandford, 1855 -1928 (The Torrey Botanical Club, 1906)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum diferentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Junk, 1753)

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)

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

Spores from the Herrin (no. 6) coal bed in Illinois - Schopf, James Morton, 1911 - (Printed by authority of the State of Illinois, 1938)

Spores in strata of late Pennsylvanian cyclothems in the Illinois Basin - Illinois State Geological Survey. (Illinois State Geological Survey, 1964)

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)

Spring flora of Oklahoma, with key - Myers, W. Stanley (William Stanley), 1888 - (Harlow publishing company, 1929)

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)

Die Stelär-Theorie - Schoute, J. C. (Johannes Cornelis), 1877 -1942 (G. Fischer, 1903)

Stockholmstraktens växter : förteckning över fanerogamer och kärlkryptogamer med fyndorter och frekvensuppgifter - Andersson, Gunnar, 1865 -1928 (P. A. Norstedt, 1914)

Strasburger's Text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1921)

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, 1895)