"CHR 1815." . . . . . "Reduction of all the genera of plants contained in the Catalogus plantarum Americae Septentrionalis, of the late Dr. Muhlenberg, to the natural families of Mr. de Jussieu's system"@en . . . . "Reduction of all the genera of plants contained in the Catalogus Plantarum Americae Septentrionalis, of the late Dr. Muhlenberg to the natural families of Mr. de Jussieu's system"@en . . . . . . . "Classification"@en . "Reduction of all the genera of plants contained in the Catalogus plantarum Americæ Septentrionalis, of the late Dr. Muhlenberg, to the natural families of Mr. de Jussieu's system"@en . . . . .