Embryo sac development in some South African <i>Lantana</i> species (Verbenaceae)

by J. J. Spies
Published 1984-12-01

Miscellaneous note

by J. J. Spies
Published 1986-07-01

Stomatal area as an anatomical criterion for the determination of chromosome number in the <i>Eragrostis curvula</i> complex

by J. J. Spies
Published 1982-10-01

Miscellaneous note: CHROMOSOME STUDIES ON AFRICAN PLANTS. 4.

by J. J. Spies
Published 1987-10-01

Die Geologiese en Geomorfologiese geskiedenis van Golden Gate-Hoogland Nasionale Park

by J. J. Spies
Published 1969-05-01

POACEAE

by R. Roodt, J. J. Spies
Published 2002-09-01

POACEAE

by J. J. Spies, R. Roodt
Published 2001-09-01

A karyotypic and anatomical study of an unidentified liliaceous plant

by J. J. Spies, D. S. Hardy
Published 1983-12-01

AGAPANTHACEAE

by M. Muzila, J. J. Spies
Published 2005-08-01

POACEAE

by A. Strydom, J. J. Spies
Published 1994-10-01

Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)

by A. Strydom, J. J. Spies
Published 1994-10-01

Cytogenetic studies in the genus <i>Pentaschistis</i> (Poaceae: Arundinoideae)

by K. C. Klopper, J. J. Spies
Published 1998-10-01

Miscellaneous note: CHROMOSOME STUDIES ON AFRICAN PLANTS. 3.

by J. J. Spies, H. du Plessis
Published 1987-10-01

Meiotic studies of some South African cultivars of <i>Lantana camara</i> (Verbenaceae)

by J. J. Spies, C. H. Stirton
Published 1982-10-01

Meiotic chromosome behaviour in <i>Cenchrus</i> <i>ciliaris</i (Poaceae: Panicoideae)

by N. C. Visser, J. J. Spies
Published 1998-10-01

Embryo sac development in some South African cultivars of <i>Lantana camara</i>

by J. J. Spies, C. H. Stirton
Published 1982-10-01

Miscellaneous note

by J. J. Spies, H. du Plessis
Published 1987-10-01

Miscellaneous note

by J. J. Spies, H. du Plessis
Published 1988-10-01

Miscellaneous note

by J. J. Spies, H. du Plessis
Published 1986-10-01

AMARYLLIDACEAE

by A. Strydom, R. Kleynhans, J. J. Spies
Published 2007-08-01