The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

Contributiones ad algologiam et fungologiam - Reinsch, Paul Friedrich, 1836 -1914 (T. O. Weigel, 1875)

Contributiones ad algologiam et fungologiam - Reinsch, Paul Friedrich, 1836 -1914 (T. O. Weigel, 1875)

Hedwigia (Verlag und Druck von C. Heinrich, 1895)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1894)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1894)

A monograph of the British Desmidiaceæ - West, G. S. (George Stephen), 1876 -1919 (The Ray Society, 1908)

A monograph of the British Desmidiaceæ - West, G. S. (George Stephen), 1876 -1919 (The Ray Society, 1908)

A monograph of the British Desmidiaceæ - West, G. S. (George Stephen), 1876 -1919 (The Ray Society, 1908)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1897)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1898)