Flora of the prairies and plains of central North America /

Flora of North America : north of Mexico /
Published: (1993)

Gray Herbarium index : Harvard University : first supplement.
Published: (1978)

Gray Herbarium index; Harvard University.
Published: (1968)

A provisional checklist of species for Flora North America /
by: Shetler, Stanwyn G.
Published: (1978)

Flora Americae Septentrionalis : or, A systematic arrangement and description of the plants of North America. Containing, besides what have been described by preceding authors, many new and rare species, collected during twelve years travels and residence in that country /
by: Pursh, Frederick, 1774-1820

Studies in fossil botany /
by: Scott, Dukinfield Henry, 1854-1934
Published: (1920)

The fern allies of North America north of Mexico /
by: Clute, Willard Nelson, 1869-
Published: (1928)

The Pteridophyta and Spermatophyta of Iceland /
by: Gröntved, Johs. (Johannes), 1882-
Published: (1942)

Keys to spring plants /
by: Muenscher, Walter Conrad Leopold, 1891-1963
Published: (1946)

Flora boreali-americana : sistens caracteres plantarum quas in America septentrionali /
by: Michaux, André, 1746-1802
Published: (1803)

Botany of western Texas : a manual of the phanerograms and pteriodophytes of western Texas /
by: Coulter, John Merle, 1851-1928
Published: (1891)

Introduction to the facsimile reprint of Frederick Pursh's Flora Americae Septentrionalis, 1814 (Historiae naturalis classica tomus civ) /
by: Ewan, Joseph, 1909-1999
Published: (1979)

Phytogeographic survey of North America ; a consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution /
by: Harshberger, John W. (John William), 1869-1929
Published: (1958)

Phytogeographic survey of North America. : A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution /
by: Harshberger, John W. (John William), 1869-1929
Published: (1911)

Manual of botany for North America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of the Gulf of Mexico.
by: Eaton, Amos, 1776-1842
Published: (1833)

North American botany ; comprising the native and common cultivated plants, north of Mexico. Genera arranged according to the artificial and natural methods /
by: Eaton, Amos, 1776-1842
Published: (1840)

Die Vegetation von Nord- und Mittelamerika und der Hawaii-Inseln. : The vegetation of North and Central America and of the Hawaiian Islands.
by: Knapp, R. (Rüdiger), 1917-
Published: (1965)

Catalogue of North American plants north of Mexico, exclusive of the lower cryptogams /
by: Heller, Amos Arthur
Published: (1900)

The genera of North American plants /
by: Nuttall, Thomas, 1786-1859
Published: (1971)

The genera of North American plants : and a catalogue of the species, to the year 1817.
by: Nuttall, Thomas, 1786-1859
Published: (1818)

Checklist of North American plants for wildlife biologists /
by: Scott, Tom (Thomas G.)
Published: (1980)

Catalogus plantarum America Septentrionalis, huc usque cognitarum indigenarum et cicurum : or, A catalogue of the hitherto known native and naturalized plants of North America, arranged according to the sexual system of Linnaus.
by: Muhlenberg, Henry, 1753-1815

Vascular plant families : an introduction to the families of vascular plants native to North America and selected families of ornamental or economic importance /
by: Smith, J. P. (James Payne), 1941-
Published: (1977)

Floristics and paleofloristics of Asia and Eastern North America. : Proceedings of symposia for the systematics section, 11th International Botanical Congress, Seattle, Wash. (U.S.A.), 1969, and the Japan-United States Cooperative Science Program, Corvallis, Oreg. (U.S.A.), 1969 /
Published: (1972)

North American flora.

A flora of northwest America /
by: Howell, Thomas, 1842-1912
Published: (1977)

The Changing prairie : North American grasslands /
Published: (1995)

Fire in North American tallgrass prairies /
Published: (1990)

Fire in North American tallgrass prairies /
Published: (1990)

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia. Vol. I. Phanerogamae...
by: Howell, Thomas, 1842-1912
Published: (1897)

Flora fanerogamica del valle de Mexico /
Published: (1979)

Descriptive flora of Puerto Rico and adjacent islands : Spermatophyta /
by: Liogier, Alain H.
Published: (1985)

Studies of American spermatophytes /
by: Lundell, Cyrus Longworth, 1907-
Published: (1941)

A synonymized checklist of the vascular flora of the United States, Canada, and Greenland /
by: Kartesz, John T.
Published: (1980)

The natural vegetation of North America : an introduction /
by: Vankat, John L., 1943-
Published: (1979)

Aquatic dicotyledons of North America : ecology, life history, and systematics /
by: Les, Donald H.
Published: (2018)