Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

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)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1984)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1991)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1995)

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

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1898)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1909)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1920)

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 - Handel-Mazzetti, Heinrich, Freiherr von, 1882 -1940 (J. Springer, 1933)

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 - Handel-Mazzetti, Heinrich, Freiherr von, 1882 -1940 (J. Springer, 1936)

Die Synchytrien : Studien zu einer Monographie der Gattung - Tobler, Gertrud, 1877 - (G. Fischer, 1913)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

Synopsis der deutschen und schweizer Flora - Koch, Wilhelm Daniel Joseph, 1771 -1849 (O. R. Reisland, 1892)

Synopsis of the genera of vascular plants in the vicinity of San Francisco, with an attempt to arrange them according to evolutionary principles - Behr, H. H. (Hans Herman), 1818 -1904 (Payot, Upham, 1884)

Synopsis plantarum Aequatoriensium, exhibens plantas praecipue in regione temperata et frigida crescentes, secundum systematam naturalem descriptas viribus medicatis et usibus oeconomicis plurimarum adjectis ... - Jameson, William, 1796 -1873 (Typis J.P. Sanz, 1865)

Synoptische Tabellen zur leichten Bestimmung der häuftligeren deutschen Pflanzen-Gattungen nach den Jussieuschen System; zum Gebrauche der Schulen und Zum Selbststudium - Zabel, Hermann, 1832 -1912 (H. Augustin, 1872)

Systematics and conservation status of Claytonia lanceolata var. flava (Portulacaceae) - Lesica, Peter. ([Montana Natural Heritage Program], 1998)

Systematics and evolution in Diglossa (Aves, Coerebidae) - Vuilleumier, François, 1938 -2017 (American Museum of Natural History, 1969)

The systematics and evolution of Ludwigia sect. Myrtocarpus sensu lato (Onagraceae) - Ramamoorthy, T. P. (Missouri Botanical Garden, 1987)

The systematics and evolution of the Oenothera caespitosa species complex (Onagraceae) - Klein, William M (Missouri Botanical Garden, 1985)

Tales about plants - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (W. Tegg, 1865)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1975)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1980)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1982)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1983)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 2017)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Supplement III, Br-Ca - Mennega, E. A. (Koeltz Scientific Books, 1995)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume VII, W-Z - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1988)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Supplement VIII, Fres-G - Dorr, Laurence J. (A.R.G. Gantner Verlag K.G, 2009)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume V, Sal-Ste - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume II, H-Le - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1979)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume I, A-G - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume III, Lh-O - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1976)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Supplement IV, Ce-Cz - Mennega, E. A. (Koeltz Scientific Books, 1997)

Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types. Volume IV, P-Sak - Cowan, Richard S., 1921 -1997 (Bohn, Scheltema & Holkema, 1983)

Taxonomic novelties from North America north of Mexico : a 20-year vascular plant diversity baseline - Hartman, Ronald L (Missouri Botanical Garden Press, 1998)

Taxonomic revisions in the family Haloragaceae. 1, The genera Haloragis, Haloragodendron, Glischrocaryon, Meziella and Gonocarpus - Orchard, A E (Auckland Institute and Museum, 1975)

Taxonomy and biology of Verutus volvingentis N. Gen. N. Sp. (Tylenchida-Nemata) - Esser, Robert Paul, 1924 - (1980)

The taxonomy of the Myzini (Homoptera: Aphididae) of the Eastern United States - Nielsson, Richard Joseph, 1943 - (1971)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1977)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1980)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1981)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1986)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 1996)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2011)

The Tennessee flora; with special reference to the flora of Nashville. Phaenogams and vascular cryptogams - Gattinger, Augustin, 1825 -1903 (The author, 1887)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1879)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1882)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1889)

Termesztett és cserére szánt Magvak jegyzéke - Eõt võs Loránd Tudományegyetem. Nõvénykertben. (1910)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1950)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1976)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1979)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1983)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1984)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1985)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1987)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1999)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2002)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2004)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2005)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2006)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2008)