The genus Cypripedium /

The genus Echinocereus /
by: Taylor, Nigel P.
Published: (1985)

The genus Duvalia (Stapelieae) : stem-succulents between the Cape and Arabia /
by: Meve, Ulrich, 1958-
Published: (1997)

A revision of the genus Ptychosperma Labill (Arecaceae) /
by: Essig, Frederick B.
Published: (1978)

A monograph of the genus Lilaeopsis (Umbelliferae) /
by: Affolter, James M., 1951-
Published: (1985)

Revisions of the palm genus Syagrus Mart. and other selected genera in the Cocos alliance /
by: Glassman, Sidney F.
Published: (1987)

Genus Medicago : (Leguminosae) : a taxogenetic study /
by: Lesins, Karlis Adolfs
Published: (1979)

A synoptic guide to the genus Primula /
by: Fenderson, G. K.
Published: (1986)

Systematics of the genus Monochaetum (Melastomataceae) in Mexico and Central America /
by: Almeda, Frank
Published: (1978)

A taxonomic revision of the genus Acriopsis Reinwardt ex Blume (Acriopsidinae, Orchidaceae) /
by: Minderhoud, M. E.
Published: (1986)

The genus Galanthus /
by: Davis, Aaron P.
Published: (1999)

Morphology and infrageneric relationships of the genus Jatropha (Euphorbiaceae) /
by: Dehgan, Bijan
Published: (1979)

A taxonomic revision of the genus Piper (Piperaceae) in Honduras /
by: Bornstein, Allan J., et al.
Published: (2024)

The genus Salix (Salicaceae) in the southeastern United States /
by: Argus, George W. (George William)
Published: (1986)

Agapanthus : a revision of the genus /
by: Snoeijer, W. (Wim)
Published: (2004)

Aiphanes (Palmae) /
by: Borchsenius, F. (Finn)
Published: (1996)

Monograph of Desmanthus (Leguminosae-Mimosoideae) /
by: Luckow, M. (Melissa)
Published: (1993)

Gleasonia, Henriquezia, and Platycarpum (Rubiaceae) /
by: Rogers, George K. (George King)
Published: (1984)

Revision of Palicourea (Rubiaceae) in Mexico and Central America /
by: Taylor, Charlotte M.
Published: (1989)

Saprophytes pro parte /
by: Maas, P. J. M.
Published: (1986)

The taxonomy of Saxifraga (Saxifragaceae), section Boraphila, subsection Integrifoliae in western North America /
by: Elvander, Patrick E., 1950-
Published: (1984)

Parkia (Leguminosae--Mimosoideae) /
by: Hopkins, Helen C. F. (Helen C. Fortune), 1953-
Published: (1986)

Common families of flowering plants /
by: Hickey, Michael, 1930-
Published: (1997)

Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae) /
by: Dietrich, Werner
Published: (1997)

Diversity and classification of flowering plants /
by: Takhtadzhi︠a︡n, A. L. (Armen Leonovich)
Published: (1997)

Revision of Passiflora subgenus Decaloba, section Pseudodysosmia (Passifloraceae) /
by: MacDougal, John Mochrie, 1954-
Published: (1994)

Revision of Cymbopetalum and Porcelia (Annonaceae) /
by: Murray, Nancy A.
Published: (1993)

Monograph of the Maurandyinae (Scrophulariaceae-Antirrhineae) /
by: Elisens, Wayne J., 1948-
Published: (1985)

100 families of flowering plants /
by: Hickey, Michael
Published: (1988)

Revision of Houstonia (Rubiaceae-Hedyotideae) /
by: Terrell, Edward E.
Published: (1996)

100 families of flowering plants /
by: Hickey, Michael
Published: (1981)

Phylogenetic systematics and biogeography of the tribe Robinieae (Leguminosae) /
by: Lavin, Matthew T., 1956-
Published: (1995)

A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae) /
by: Wiersema, John Harry
Published: (1987)

Systematics of Oenothera section Oenothera subsection Raimannia and subsection Nutantigemma (Onagraceae) /
by: Dietrich, Werner
Published: (1988)

Bactris (Palmae) /
by: Henderson, Andrew, 1950-
Published: (2000)

Taxonomy of Agastache section Brittonastrum (Lamiaceae-Nepeteae) /
by: Sanders, Roger William
Published: (1986)

Sapotaceae /
by: Pennington, T. D.
Published: (1990)