Analysis, per differentias constantes viginti, inchoata, generum plantarum phanerostemonum, quae in Britanniis, Gallia et Helvetia, ultraque hos fines, sponte sua crescunt = Commencement of analysis, by means of twenty constant differences, of the genera of plants with conspicuous stamens, which grow spontaneously in the British Isles, in France and Switzerland, and beyond these limits - Allman, William, 1776-1846 (Plant taxonomic literature microfiche collection ;, 1828)