Literatur

@book{cullen2011european,

title = {The European garden flora flowering plants: a manual for the identification of plants cultivated in Europe, both out-of-doors and under glass},

author = {James Cullen and Sabina G Knees and Suzanne H Cubey and JMH Shaw},

year  = {2011},

date = {2011-01-01},

urldate = {2011-01-01},

volume = {1},

publisher = {Cambridge University Press},

keywords = {Huernia macrocarpa, Huernia namaquensis, Huernia thuretii, Stapelia glanduliflora},

pubstate = {published},

tppubtype = {book}

}

@book{de2007stapeliads,

title = {Stapeliads of southern Africa and Madagascar, Peter V. Bruyns, Umdaus Press, Hatfield, 600 pp in 2 Hard Cover Volumes, ISBN 1-919766-37-5 and-38-3, R1400-00, Email: umdaus@ succulents. net},

author = {AT De Villiers},

year  = {2007},

date = {2007-01-01},

urldate = {2007-01-01},

publisher = {Elsevier},

keywords = {Duvalia elegans, Huernia barbata, Huernia guttata, Huernia hystrix, Huernia kennedyana, Huernia longituba, Huernia namaquensis, Huernia pendula, Huernia piersii, Huernia procumbens, Huernia quinta, Huernia thuretii, Huerniopsis decipiens, Orbea, Orbea namaquensis, Orbeanthus conjunctus, Orbeanthus hardyi, Piaranthus geminatus, Stapelia acuminata, Stapelia divaricata, Stapelia flavopurpurea, Stapelia glanduliflora, Stapelia hirsuta, Tavaresia barklyi},

pubstate = {published},

tppubtype = {book}

}

@book{germishuizen2003plants,

title = {Plants of southern Africa: an annotated checklist},

author = {Gerrit Germishuizen and NL2003 Meyer and others},

year  = {2003},

date = {2003-01-01},

urldate = {2003-01-01},

volume = {14},

publisher = {National Botanical Institute Pretoria},

keywords = {Huernia barbata, Huernia guttata, Huernia hystrix, Huernia namaquensis, Huernia oculata, Huernia piersii, Huernia plowesii, Huernia quinta, Stapelia flavopurpurea, Stapelia hirsuta},

pubstate = {published},

tppubtype = {book}

}

@book{albers2002illustrated,

title = {Illustrated Handbook of Succulent Plants: Asclepiadaceae: Asclepiadaceae},

author = {Focke Albers and Ulrich Meve},

year  = {2002},

date = {2002-01-01},

urldate = {2002-01-01},

volume = {4},

publisher = {Springer Science \& Business Media},

keywords = {Cynanchum perrieri, Echidnopsis cereiformis, Huernia erinacea, Huernia hystrix, Huernia keniensis, Huernia longituba, Huernia macrocarpa, Huernia namaquensis, Huernia pendula, Huernia piersii, Huernia plowesii, Huernia procumbens, Huernia quinta, Huernia rosea, Huernia schneideriana, Orbea schweinfurthii, Orbea wissmannii, Stapelia glanduliflora, Stapelia hirsuta, Tavaresia barklyi},

pubstate = {published},

tppubtype = {book}

}

@book{goldblatt2000cape,

title = {Cape plants: a conspectus of the Cape flora of South Africa.},

author = {Peter Goldblatt and John Manning and others},

year  = {2000},

date = {2000-01-01},

publisher = {National Botanical Institute},

keywords = {Huernia namaquensis},

pubstate = {published},

tppubtype = {book}

}

@book{luckhoff1952stapelieae,

title = {The Stapelieae of Southern Africa},

author = {Carl August L\"{u}ckhoff},

year  = {1952},

date = {1952-01-01},

urldate = {1952-01-01},

publisher = {AA Balkema},

keywords = {Huernia namaquensis, Huernia thuretii, Orbea namaquensis},

pubstate = {published},

tppubtype = {book}

}