[146] Schwendener 1867.

[147] Nylander 1874.

[148] Crombie 1885.

[149] Lett 1890.

[150] Fünfstück 1898.

[151] Zahlbruckner 1903-1907.

[152] Ventenat 1794, p. 36.

[153] Cassini 1817, p. 395.

[154] Agardh 1820.

[155] Scopoli 1760, p. 79.