Species muscorum frondosorum : descriptae et tabulis aeneis lxxvii coloratis illustratae - Hedwig, Johannes, 1730 -1799 (sumtu J. A. Barthii, 1816)

Species of European and Northamerican [sic] Bryineae (mosses) - Kindberg, N. C. (Nils Conrad), 1832 -1910 (Linköpings Lithografiska Aktiebolag, 1897)

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, 1830)

Specimen botanicum sistens fasciculum plantarum ex flora comitatus Lippiaci - Barckhausen, Gottlieb. (Ex Officina Joann. Christiani Dieterich, 1775)

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)

Spicilegium florae Lipsicae - Schreber, Johann Christian Daniel, 1739 -1810 (Dykiano, 1771)

Spicilegium florae Maroccanae - Ball, John, 1818 -1889 (Printed by Taylor and Francis, 1878)

Sporadic papers - Call, Richard Ellsworth, 1856 -1917 (1885)

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

St. Helena : a physical, historical, and topographical description of the island, including it geology, fauna, flora and meteorology - Melliss, Alice Elizabeth Louisa (L. Reeve & Co, 1875)

Status of the Athabasca Rainbow Trout (Oncorhynchus mykiss) in Alberta - Alberta. Fish; Wildlife Division. (Government of Alberta, 2009)

Status of the Bull Trout (Salvelinus confluentus) in Alberta : update 2009 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, 2009)

Status of the Grizzly Bear (Ursus arctos) in Alberta : update 2010 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2010)

Status of the northern myotis (Myotis septentrionalis) in Alberta : update 2009 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2009)

Status of the Porsild's Bryum (Bryum porsildii) in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, 2006)

Status of the Slender Mouse-ear-cress (Halimolobos virgata or Transberingia bursifolia susp. virgata) in Alberta : update 2009 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, 2009)

Status of the Verna's Flower Moth (Schinia verna) in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species at Risk, 2008)

Status of the Western Small-footed Bat (Myotis ciliolabrum) in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2008)

Status of the Whitebark Pine (Pinus albicaulis) in Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2007)

Status of the Woodland Caribou (Rangifer tarandus caribou) in Alberta : update 2010 - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, 2010)

Stirpium rariorum in Imperio rutheno sponte provenientium icones et descriptiones - Amman, Johann, 1707 -1742 (ex typographia Academiae scientiarvm, 1739)

The student's handbook of British mosses - Dixon, H. N. (Hugh Neville), 1861 -1944 (V. T. Sumfield, 1896)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

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)

The students' flora of New Zealand and the outlying islands - Kirk, Thomas, 1828 -1898 (John Mackay, govt. printer, 1899)

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

Studier öfver bladmossornas organisation : mössa, vaginula och sporogon - Rosander, Henrik Andreas, 1873 - (Wretmans boktryckeri, 1906)

Studies in the bryology of New Zealand,with special reference to the herbarium of Robert Brown of Christchurch, New Zealand - Dixon, H. N. (Hugh Neville), 1861 -1944 (J. Mackay, 1913)