AN ACCOUNT OF THE SOUTH AFRICAN MATERIAL OF <i>ARISTIDA</i> LINN: IN CERTAIN EUROPEAN AND SOUTH AFRICAN HERBARIA.

by H. G. Schweickerdt
Published 1941-12-01

A REVISION OF THE SOUTH AFRICAN SPECIES OF <i>HELITOTRICHON, Bess, ex Schultes.</i>

by H. G. Schweickerdt
Published 1937-11-01

A NOTE ON THE SOUTH AFRICAN SPECIES OF XIMENIA LINN. AND THEIR POSSIBLE ECONOMIC USES.

by H. G. Schweickerdt
Published 1936-11-01

A NOTE ON THE SOUTH AFRICAN SPECIES OF <i>XIMENIA</i> LINN. AND THEIR POSSIBLE ECONOMIC USES.

by H. G. Schweickerdt
Published 1948-11-01

AN ACCOUNT OF THE SOUTH AFRICAN SPECIES OF Tribulus Tourn. ex Linn.

by H. G. Schweickerdt
Published 1948-11-01

A REVISION OF THE SOUTH AFRICAN SPECIES OF HELITOTRICHON, Bess, ex Schultes.

by H. G. Schweickerdt
Published 1948-11-01

AN ACCOUNT OF THE SOUTH AFRICAN SPECIES OF Tribulus Tourn. ex Linn.

by H. G. Schweickerdt
Published 1937-11-01

A REVISION OF THE SOUTH AFRICAN SPECIES OF <i>BRACHYLAENA</i> R. Brown.

by E. P. Phillips, H. G. Schweickerdt
Published 1937-11-01

A REVISION OF THE SOUTH AFRICAN SPECIES OF <i>BRACHYLAENA</i> R. Brown.

by E. P. Phillips, H. G. Schweickerdt
Published 1948-11-01

AN ENUMERATION OF PLANTS COLLEC­TED IN THE NORTHERN TRANSVAAL.

by A. A. Obermeyer, H. G. Schweickerdt, I. C. Verdoorn
Published 1948-11-01

AN ENUMERATION OF PLANTS COLLEC­ TED IN THE NORTHERN TRANSVAAL

by A. A. Obermeyer, H. G. Schweickerdt, I. C. Verdoorn
Published 1937-11-01