Plant taxonomic expertise - SABONET

CANNON, J.F.M. & MARTINS, E.S. 1981. Araliaceae.
Flora de Moçambique 88: 1–14.
CANNON, J.F.M. & MARTINS, E.S. 1981. Umbelliferae.
Flora de Moçambique 87: 1–58.
MARTINS, E.S. 1981–1982. Nova especie de
Manostachya (Rubiaceae) de Angola. Memórias da
Sociedade Broteriana 55: 5–8.
MARTINS, E.S. 1988. New species of Boraginaceae from
Flora zambesiaca area. Garcia de Orta, Série Botânica
9: 71–77.
MARTINS, E.S. 1989. Nova especie de Cystostemon
(Boraginaceae) de Angola. Garcia de Orta, Série
Botânica 10: 17–18.
MARTINS, E.S. 1990. Boraginaceae. Flora zambesiaca
7: 59–110.
MARTINS, E.S. 1993. Boraginaceae. Flora de
Moçambique 112: 1–75.
MARTINS, E.S. 1993. Sobre a ocorrência de
Trichodesma ambacanse subsp. hockii em Angola.
Garcia de Orta, Série Botânica 11: 5–8.
CATARINO, L. & MARTINS, E.S. 1996. The
Pontederiaceae of the Flora zambesiaca area. Kirkia 16:
21–26.
Marx, G.
MARX, G. 1986. Aloe pratensis. Aloe 23: 89.
MARX, G. 1987. Euphorbia albipollinifera Leach, a
recently described species from the southeastern Cape
Province. Aloe 24: 18–19.
MARX, G. 1987. Euphorbia obesa Hook. fil. Aloe 24: 31.
MARX, G. 1988. Euphorbia meloformis Aiton and
Euphorbia valida N.E. Brown, some observations in
habitat. The Euphorbia Journal 5: 94–103.
MARX, G. 1988. Euphorbia meloformis and Euphorbia
valida. The Phoenix 1: 17–21.
MARX, G. 1988. A rare Euphorbia species—or a matter
of parentage? Aloe 25: 14–15.
MARX, G. 1989. Ariocarpus agavioides (Castaneda)
Anderson. Aloe 26: 58.
MARX, G. 1989. A reserve for Euphorbia valida. Aloe
26: 16–17.
MARX, G. 1990. Growing mandalas. Notes on the
culture of Euphorbia turbiniformis. Cactus and Succulent
Journal (US) 62: 289–293.
SMITH, G.F. & MARX, G. 1990. Notes on the vegetation
and succulent flora of the Eastern Cape Province. Aloe
27: 56–66.
MARX, G. 1991. Pleiospilos nelii Schwantes. Aloe 28:
73.
MARX, G. 1992. Euphorbia horwoodii Carter & Lavranos.
The Euphorbia Study Group Bulletin 5: 23–26.
MARX, G. 1992. The succulent Euphorbias of the
southeastern Cape Province, Part 1: dwarf species and
smaller shrubs. The Euphorbia Journal 8: 74–102.
MARX, G. 1993. A slow-progress report. Euphorbia
turbiniformis in cultivation. The Euphorbia Study Group
Bulletin 6: 9–13.
MARX, G. 1993. The sub-globose euphorbias and
relatives. Aloe 30: 103–107.
MARX, G. 1993. Succulents of the southeastern Cape
Province. Aloe 30: 112–113.
McLellan
MARX, G. 1994. Euphorbia brevirama N.E. Brown: the
quest continues. The Euphorbia Journal 9: 221–222.
MARX, G. 1994. Medusoid mysteries and biblical errors.
Haseltonia 2: 89–96.
MARX, G. 1994. The succulent Euphorbias of the
southeastern Cape Province, Part 2: shrubs and trees.
The Euphorbia Journal 9: 63–83.
MARX, G. 1996. Euphorbia astrophora J.G. Marx sp.
nov. A new species of Euphorbiaceae from the
southeastern Cape Province, South Africa. Cactus and
Succulent Journal (US) 68: 311–314.
MARX, G. 1997. Haworthia parksiana V. Poeln. in
habitat. Haworthiad 11: 89–92.
MARX, G. 1997. Haworthia venusta C.L. Scott, an
exciting new species from the Eastern Cape Province.
Aloe 34: 7.
MARX, G. 1997. Some Gasteria field notes. Haworthiad
11: 75–77.
MARX, G. 1998. Cultivation of the medusoid euphorbias.
The Euphorbia Study Group Bulletin 11: 76–79.
MARX, G. 1998. Euphorbia astrophora J.G. Marx, a
recently described miniature medusoid euphorbia from
the Easten Cape Province. Aloe 35: 12–13.
MARX, G. 1998. Euphorbia ‘misinformis’. The Euphorbia
Study Group Bulletin 11: 115–116.
MARX, G. 1998. Haworthia bruynsii—a trickster’s
masterpiece. Cactus and Succulent Journal (US) 70:
236–237.
MARX, G. 1998. Introducing a new and aptly named
haworthia: H. magnifica var. splendens J.D. Venter &
S.A. Hammer. Aloe 35: 92–93.
MARX, G. 1998. More Marx mutterings and medusoid
myths. The Euphorbia Study Group Bulletin 11: 48–52.
MARX, G. 1998. Some notes on Euphorbia crassipes
Marloth and Euphorbia arida N.E. Br. The Euphorbia
Study Group Bulletin 11: 4–10.
MARX, G. 1998. Some notes on the cultivation and
propagation of Haworthias. Aloe 35: 84–85.
MARX, G. 1998. Some notes on the cultivation and
propagation of Haworthias. Haworthiad 12: 33–37.
MARX, G. 1999. Euphorbia suppressa J.G. Marx and
Euphorbia gamkensis J.G. Marx, two hitherto-unnamed
species from the Western Cape Province, South Africa.
Cactus and Succulent Journal (US) 71: 33–40.
McLellan, T.
MCLELLAN, T. 1990. Development of differences in leaf
shape in Begonia dregei (Begoniaceae). American
Journal of Botany 77: 323–337.
MCLELLAN, T. 1993. The roles of heterochrony and
heteroblasty in the diversification of leaf shapes in
Begonia dregei (Begoniaceae). American Journal of
Botany 80: 796–804.
MCLELLAN, T., CLOETE, E.C. & BOSA, A.J.N. 1994.
Naturalization of Begonia cucullata in the Port St. Johns
area, Transkei. South African Journal of Botany 60:
136–137.
MCLELLAN, T. & DENGLER, N.G. 1995. Pattern and form
of repeated elements in the development of simple
leaves of Begonia dregei. International Journal of Plant
Sciences 156: 581–589.
MCLELLAN, T. & NDAMASE, D. 1995. Morphological and
genetic comparison of forest and grassland Stangeria
eriopus. In: P.J. Vorster (ed.), Proceedings of the Third
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