A revision of the genus Sabia Colebrooke /

A revision of the lichen genus Xanthoparmelia in Australasia /
by: Elix, J. A.
Published: (1986)

A revision of the Andean genus Niphogeton (Umbelliferae) /
by: Mathias, Mildred E. (Mildred Esther), 1906-1995
Published: (1951)

A revision of the genus Olyra and the new segregate genus Parodiolyra (Poaceae:Bambusoideae:Olyreae) /
by: Soderstrom, Thomas R.
Published: (1989)

A revision of the genus Anacyclus L. (Compositae: Anthemideae) /
by: Humphries, Christopher John
Published: (1979)

A taxonomic revision of the genus Plagiothecium for North America : north of Mexico /
by: Ireland, Robert R.
Published: (1969)

A revision of the genus Lindsaea in the new world with notes on allied genera /
by: Kramer, Karl Ulrich, 1928-1994
Published: (1957)

The genus Oxalis in South Africa : a taxonomic revision.
by: Salter, T. M.
Published: (1944)

The genus Mouriri (Melastomaceae) : A sectional revision based on anatomy and morphology.
by: Morley, Thomas, 1917-
Published: (1953)

The genus Crepis.
by: Babcock, E. B. (Ernest Brown), 1877-1954
Published: (1947)

The genus Clarkia /
by: Lewis, Harlan, 1919-
Published: (1955)

A revision of the Macaronesian genus Argyranthemum Webb ex Schultz Bip. (Compositae-Anthemidae) /
by: Humphries, Christopher John
Published: (1976)

The genus Utricularia : a taxonomic monograph /
by: Taylor, Peter
Published: (1989)

The lichen genus Steinera /
by: Henssen, Aino M.
Published: (1982)

The genus Lithophragma (Saxifragaceae) /
by: Taylor, Roy L.
Published: (1965)

Genus Labordia. : Hawaiian Euphorbiaceae, Labiatae and Compositae /
by: Sherff, Earl Edward, 1886-1966
Published: (1939)

The genus Thrinax (Palmae : Coryphoideae) /
by: Read, Robert W., 1931-
Published: (1975)

The genus Osmorhiza (Umbelliferae) ; a study in geographic affinities /
by: Constance, Lincoln, 1909-2001
Published: (1948)

The lichen genus Ramalina in Australia /
by: Stevens, G. Nell
Published: (1987)

Hawaiian representatives of the genus Caulerpa.
by: Eubank, Lois Lillian, 1919-
Published: (1946)

Cytotaxonomic studies in the genus Sorghum.
by: Garber, Edward D. (Edward David), 1918-
Published: (1950)

The genus Polemonium, Tournefort, L.
by: Davidson, John Fraser, 1911-
Published: (1950)

The fern genus Diellia ; its structure, affinities and taxonomy.
by: Wagner, Warren H. (Warren Herbert), 1920-2000
Published: (1952)

A study of the genus Schistocarpha (Heliantheae: Asteraceae) /
by: Robinson, Harold, 1932-
Published: (1979)

A classification of the genus Dryopteris (Pteridophyta, Dryopteridaceae) /
by: Fraser-Jenkins, Christopher R.
Published: (1986)

A systematic study of the genus Eriophyllum Lag. /
by: Constance, Lincoln, 1909-2001
Published: (1937)

Species origins and relationships in the genus Nicotiana.
by: Goodspeed, T. H. (Thomas Harper), 1887-1966
Published: (1953)

Studies in the palm genus Syagrus Mart /
by: Glassman, Sidney F.
Published: (1968)

The genus Selaginella in tropical South America /
by: Alston, A. H. G. (Arthur Hugh Garfit)
Published: (1981)

Studies in the genus Hypericum L. (Guttiferae) /
by: Robson, N. K. B. (Norman Keith Bonner)
Published: (1977)

The lichen genus Usnea subgenus Neuropogon /
by: Walker, F. Joy
Published: (1985)

A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae) /
by: Hale, Mason E.
Published: (1976)

A monograph of the lichen genus Parmelina Hale (Parmeliaceae) /
by: Hale, Mason E.
Published: (1976)

A taxonomic study of the lichen genus Micarea in Europe /
by: Coppins, Brian John
Published: (1983)

A redisposition of the species referred to the ascomycete genus Microthelia /
by: Hawksworth, David
Published: (1985)

A monograph of the lichen genus Pseudoparmelia lynge (Parmeliaceae) /
by: Hale, Mason E.
Published: (1976)

New species in the palm genus Syagrus Mart /
by: Glassman, Sidney F.
Published: (1967)