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)

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)

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

Structural and systematic botany: being an arrangement of plants, forming a basis for the study of botany, either on the Linnaean or natural systems - Smith, Edward, 1818? -1874 (C. Griffin, 1855)

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)

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 handbook of British mosses - Dixon, H. N. (Hugh Neville), 1861 -1944 (V. T. Sumfield, 1896)