Die Plantfamilie Asteraceae: 4 Interessante groeivorme en ekonomies belangrike soorte

by P. P.J. Herman
Published 2002-09-01

VERBENACEAE

by P. P. J. Herman
Published 1991-09-01

Revision of the <i>Tarchonanthus</i> camphoratus complex (Asteraceae-Tarchonantheae) in southern Africa

by P. P. J. Herman
Published 2002-09-01

RUBIACEAE

by P. P. J. Herman
Published 2005-08-01

Die plantfamilie Asteraceae: 2. Die blomme

by P. P. J. Herman
Published 2000-07-01

ASTERACEAE

by P. P. J. Herman
Published 1998-10-01

ASTERACEAE

by P. P. J. Herman
Published 1999-09-01

The family Asteraceae: General introduction

by P. P. J. Herman
Published 2000-07-01

Die plantfamilie Asteraceae: 3. Die vrug

by P. P.J. Herman
Published 2002-09-01

ASTERACEAE: A NEW’ COMBINATION IN <i>COTULA</i>

by P. P. J. Herman
Published 1995-10-01

ASTERACEAE

by P. P. J. Herman
Published 1998-10-01

The plant family Asteraceae: 6. The subfamily Asteroideae.

by P. P.J. Herman
Published 2004-09-01

Die plantfamilie ASTERACEAE: 6. Die subfamilie Asteroideae

by P. P.J. Herman
Published 2004-09-01

VERBENACEAE

by P. P. J. Herman
Published 1995-10-01

ASTERACEAE: A NOTE ON <i>URSINIA BRACHYLOBA</i>

by P. P. J. Herman
Published 1995-10-01

Die plantfamilie Asteraceae: 5. Klassifikasie en die subfamilie Cichorioideae

by P. P.J. Herman
Published 2003-09-01

Asteraceae

by P. P. J. Herman, N. Swelankomo
Published 2011-12-01

ASTERACEAE

by P. P. J. Herman, M. Koekemoer
Published 2004-09-01

Revision of the genus <i>Dombeya</i> (Sterculiaceae) in southern Africa

by I. C. Verdoon, P. P. J. Herman
Published 1986-07-01

ASTERACEAE

by R. J. Mckenzie, P. P. J. Herman, N. P. Barker
Published 2006-08-01