-
Southern Africa: A
Review with
Emphasis on Succulents. Hatfield,
South Africa:
Umdaus Press. ISBN 9781919766188. Henschel, Joh R; Seeley, Mary K (October 2000)...
- ISBN 0-620-17633-4.
National Botanical Institute of
South Africa.(1993) List of
Southern African Succulent Plants Umdaus Press. ISBN 1-919 766-04-9 v t e...
- ISBN 0-620-17633-4.
National Botanical Institute of
South Africa.(1993) List of
Southern African Succulent Plants Umdaus Press. ISBN 1-919 766-04-9 v t e...
- (2004).
Cotyledon and Tylecodon.
Illustrated by
Elise Bodley and Lisa Strachan. Hatfield,
South Africa:
Umdaus Press. ISBN 1-919766-32-4. OCLC 58463060....
-
Retrieved 2023-12-01. Bruyns,
Peter V. (2005).
Stapeliads of
southern Africa and Madagascar.
Umdaus Press. ISBN 1-919766-37-5 and ISBN 1-919766-38-3...
- Pretoria. ISBN 0-620-17633-4.
National Botanical Institute of
South Africa.(1993) List of
Southern African Succulent Plants Umdaus Press. ISBN 1-919 766-04-9...
- Plants". Vlok, J. and Schutte-Vlok, A. 2010.
Plants of the
Klein Karoo.
Umdaus Press, Hatfield. Glen, H. F. (1986-10-28). "Numerical
taxonomic studies...
-
Tijdschrift Voor Entomologie, 124(5): 149–233. Burrows, J. & Burrows, S. 2003. Figs of
southern & south-central Africa.
Umdaus Press, Hatfield. 379 pp....
-
Volume 39,
Number 1,
March 2014, pp. 55-74 "All
about Haworthia". Bayer, M.B. 1999.
Haworthia Revisited: A
revision of the genus.
Umdaus Press, Hatfield....
-
Africa and Madagascar. Vol.1.
Umdaus Press, Pretoria. P.V.Bruyns (2005).
Stapeliads of
southern Africa and Madagascar. Vol.1.
Umdaus Press, Pretoria. v t e...
