Twenty lessons on British mosses, or, First steps to a knowledge of that beautiful tribe of plants /
Gardiner, William,1809?-1852.
London : Longman, Brown, Green, and Longmans ; Edinburgh : David Mathers ; J.Menzies ; Edmonston and Douglas ; Dundee : F. Shaw ; W. Middleton ; J. Chalmers,
1852.
Illustrated with dried specimens mounted in the text.
'Tabular view of the genera of British mosses' - p.51.
Pritzel (2nd ed.)
Mosses