Encyclopédie méthodique. Botanique. Supplement - Poiret, Jean-Louis-Marie, 1755 -1834 (Agasse, 1810)

Gray's Lessons in botany and vegetable physiology : illustrated by over 360 wood engravings from original drawings by Isaac Sprague : to which is added a copious glossary, or dictionary of botanical terms - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1877)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 ([s.n.], 1856)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & co, 1867)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, & co, 1862)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi - Gray, Asa, 1810 -1888 (Ivison, Phinney, 1863)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1867)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1867)

Our native ferns and their allies with synoptical descriptions of the American pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1900)