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List of works by Abraham Erasmus van Wyk

(1170) Proposal to Conserve the Name Cassine barbara L. (Celastraceae) with a Conserved Type

scientific article (publication date: August 1995)

(1372) Proposal to Conserve the Name Colophospermum against Hardwickia (Leguminosae, Caesalpinioideae)

scientific article (publication date: August 1998)

(1687) Proposal to Conserve Calvatia nom. cons. (Lycoperdaceae) against an Additional Name, Omalycus

scientific article (publication date: May 2005)

(1770) Proposal to Conserve Calvatia nom. cons. (Basidiomycota, Lycoperdaceae) against an Additional Name, Lanopila

scientific article published on May 2007

(2129) Proposal to conserve the family name Asphodelaceae (Spermatophyta: Magnoliidae: Asparagales)

scientific article (publication date: 20 April 2013)

(2144) Proposal to conserve the name Kumara (Asphodelaceae) with a conserved type

scientific article (publication date: 17 June 2013)

(2469–2472) Proposals to reject the names Aloe perfoliata, A. obscura, A. picta, and A. perfoliata var. saponaria (A. saponaria) (Asphodelaceae: Alooideae)

scientific article (publication date: 26 October 2016)

(2580) Proposal to conserve the name Astroloba against Poellnitzia (Asphodelaceae: Alooideae) ⬇️

scientific article published in 2018

A New Species of Gymnosporia (Celastraceae) from Southern Africa

scientific article published in 2005

A New Species ofPavetta(Rubiaceae) from South Africa

scientific article published on 18 October 2013

A New Tribal Classification of Mesembryanthemaceae: Evidence from Floral Nectaries

scientific article (publication date: May 2002)

A Phytogeographical Classification and Survey of the Indigenous Browse Flora of South Africa, Lesotho, and Eswatini

scientific article published on 22 July 2023

A convenient thin layer chromatographic technique for chemotaxonomic application in Maytenus (Celastraceae)

scientific article published in 2000

A convenient thin layer chromatographic technique for chemotaxonomic application in Maytenus (Celastraceae)

scientific article published in 1999

A dendrochronological assessment of two South African Widdringtonia species

scientific article

A method for establishing taxonomic research priorities in a megadiverse country

scientific article

A monograph of the cycad genus Encephalartos (Zamiaceae)

scientific article published in 2013

A new rheophytic species of Syzygium (Myrtaceae) from the lower Kunene River of Angola and Namibia

scientific article

A new species of Casearia (Samydoideae, Salicaceae) from South Africa

article

A new species of Catha (Celastraceae) from southern Natal and Pondoland ⬇️

scientific article published in 1987

A new species of Combretum from Venda and taxonomic notes on the section Angustimarginata (Combretaceae) ⬇️

scientific article published in 1984

A new species of Combretum sect. Ciliatipetala (Combretaceae) from South Africa

scientific article

A new species of Combretum section Ciliatipetala (Combretaceae) from southern Africa, with a key to the regional members of the section

article

A new species of Eugenia (Myrtaceae) from southern Natal ⬇️

scientific article published in 1982

A new species of Haemanthus (Amaryllidaceae) from the eastern Transvaal Escarpment, South Africa ⬇️

scientific article published in 1993

A new species of Lachnaea (Thymelaeaceae) from the Western Cape

scientific article published in 1998

A new species of Leucadendron (Proteaceae) from Pondoland, with a discussion of its biogeography ⬇️

scientific article published in 1990

A new species of Maytenus (Celastraceae) from southern Natal ⬇️

scientific article published in 1984

A new species of Osteospermum subgen. Tripteris (Asteraceae: Calenduleae) from the Namib Desert, Namibia

scientific article

A new species of Phyllogeiton (Rhamnaceae: Rhamneae) from Maputaland, South Africa

scientific article published on 2 March 2023

A new species of Polygala (Polygalaceae) from ultramafic soils in Sekhukhuneland, South Africa, with notes on its ecology

scholarly article by S.J. Siebert et al published April 2010 in South African Journal of Botany

A new species of Putterlickia (Celastraceae) from southern Natal and Pondoland ⬇️

scientific article published in 1987

A new species of Rinorea (Violaceae) from southern Natal and northern Transkei ⬇️

scientific article published in 1983

A new species of Sesamothamnus (Pedaliaceae) from Namibia and Angola

scientific article published on 23 November 2023

A remarkable new species of Colubrina (Rhamnaceae) from Pondoland ⬇️

scientific article published in 1986

A revised generic classification for Aloe (Xanthorrhoeaceae subfam. Asphodeloideae)

scientific article

A synoptic review of the aloes (Asphodelaceae, Alooideae) of KwaZulu-Natal, an ecologically diverse province in eastern South Africa

scientific article published on 12 March 2020

A taxonomic revision of Allocassine N. Robson (Celastraceae)

scientific article published in 1998

A taxonomic revision of Aloe sect. Purpurascentes (Asphodelaceae subfam. Alooideae)

scientific article published on 29 November 2023

A taxonomic revision of Elaeodendron Jacq. (Cassinoideae: Celastraceae) in Africa ⬇️

scientific article published in 1998

A taxonomic treatment of Trisetopsis (Poeae, Poaceae) in southern Africa

scientific article

Aberrant pollen in southern AfricanOxalis(Oxalidaceae)

scientific article published in 1998

Acacia, the 2011 Nomenclature Section in Melbourne, and beyond

scientific article published on August 2010

African KhoeSan ancestry linked to high-risk prostate cancer.

scientific article

Alien phytogeographic regions of southern Africa: numerical classification, possible drivers, and regional threats ⬇️

scientific article (publication date: 2012)

Assessing legumes indigenous to South Africa, Lesotho and Swaziland for their pasture potential

scholarly article

Biogeographical patterns of grasses (Poaceae) indigenous to South Africa, Lesotho and Eswatini

scientific article published on 23 June 2021

Biographical Notes on James Bowie and the Discovery of Aloe bowiea Schult. & J. H. Schult. (Alooideae: Asphodelaceae)

scientific article (publication date: November 1989)

Chemosystematic evaluation of Aloe section Pictae (Asphodelaceae)

scientific article published in 2010

Commiphora omundomba (Burseraceae), a new species from Angola and Namibia

scientific article published on 20 April 2022

Conserving Acacia Mill. with a Conserved Type. What Happened in Vienna?

scientific article (publication date: February 2006)

Creating an Online World Flora by 2020: a perspective from South Africa

scholarly article by Janine E. Victor et al published 28 November 2013 in Biodiversity and Conservation

Cyphia deliae (Campanulaceae: Cyphioideae), a new species from South Africa and Eswatini

scientific article published on 9 January 2024

Dahlgrenodendron, a remarkable new genus of Lauraceae from Natal and Pondoland

scientific article published in 1988

Diversity and biogeographical patterns of legumes (Leguminosae) indigenous to southern Africa.

scientific article

Documented Utility and Biocultural Value of Aloe L. (Asphodelaceae): A Review

article

Endemic flora of the north-eastern Transvaal Escarpment, South Africa

article

Evolutionary history and leaf succulence as explanations for medicinal use in aloes and the global popularity of Aloe vera

scientific article

Floral biology of Zantedeschia aethiopica (L.) Spreng. (Araceae)

scientific article published in 1996

Foliar secretory structures in Ekebergia capensis (Meliaceae).

scientific article published in February 2018

Foliar secretory structures in Melia azedarach (Meliaceae), a widely cultivated and often invasive tree

scientific article published in 2018

Foreword

From the frying pan: an unusual dwarf shrub from Namibia turns out to be a new brassicalean family

scientific article published on 20 April 2020

Fruit structure of the genus Cassinopsis Sond. (Icacinaceae) in Africa

scientific article published in 1994

Gasteria doreeniae: a new species from the Eastern Cape

scientific article published in 2004

Gymnosporia sekhukhuniensis (Celastraceae), a new species from South Africa

scientific article published in 2019

Gymnosporia swazica (Celastraceae), a new species from southern Africa

scientific article (publication date: 15 January 2015)

Herbarium records reveal early flowering in response to warming in the southern hemisphere

article

Hilliardiella oligocephala, the correct name for H. elaeagnoides (Asteraceae: Vernonieae)

scientific article published on 4 August 2021

History and drivers of plant taxonomy in South Africa

scientific article (publication date: 5 August 2016)

Identification, origin, and evolution of leaf nodulating symbionts of Sericanthe (Rubiaceae).

scientific article

Intraspecific variation in Burkholderia caledonica: Europe vs. Africa and soil vs. endophytic isolates

scientific article

Leaf anatomy of the southern African Icacinaceae and its taxonomic significance

scientific article published in 1999

Manilkara nicholsonii (Sapotaceae), a new species from southern Natal ⬇️

scientific article published in 1982

Marijordaania (Celastraceae: Cassinoideae), a new monotypic genus from South Africa

scientific article published on 28 February 2024

Maytenus oleosa (Celastraceae), a new species from southern Natal and Pondoland ⬇️

scientific article published in 1987

Metzgeria nicomariei, a new species of Metzgeriaceae from South Africa

article

Molecular phylogenetic analysis of Eugenia L. (Myrtaceae), with emphasis on southern African taxa

scholarly article by M. M. van der Merwe et al published 30 August 2004 in Plant Systematics and Evolution

Monitoring mercury in two South African herbaria.

scientific article

Morphometrics in Encephalartos

scientific article published in 2015

New combinations and a key to the species of Pelekium (Thuidiaceae) in sub-Saharan Africa and the East African Islands

scientific article

Nomenclatural and taxonomic notes on Calvatia ( Lycoperdaceae ) and associated genera ⬇️

scientific article published in 2013

Notes on the phytogeography and conservation status of the genus Acanthopsis (Acantheae, Acanthaceae)

scientific article published on 2 September 2019

Oberholzeria (Fabaceae subfam. Faboideae), a new monotypic legume genus from Namibia

scientific article

Ontogeny and structure of the drupe of Ozoroa paniculosa (Anacardiaceae)

scientific article published in 1993

Opportunities for unlocking the potential of genomics for African trees

scientific article published on 22 December 2015

Ovule, seed and seedling characters in Acharia (Achariaceae) with evidence of myrmecochory in the family

article

Palynology of southern African Boraginaceae: The generaLobostemon, EchiostachysandEchium

scholarly article by Elizabeth Retief published in January 1997

Palynology of the GenusPasserina(Thymelaeaceae): Relationships Form and Function

scholarly article by Christina L. Bredenkamp published in January 1996

Palynology ofAcmadenia(Diosminae: Rutaceae) and its taxonomic implications

scholarly article by Janine E. Victor published in January 1998

Petalidium etendekaense (Acanthaceae), a new species from Namibia, with notes on the taxonomic identity of P. glutinosum

scientific article published in 2024

Petalidium karasbergense (Acanthaceae), a new species from Namibia

scientific article published on 17 August 2023

Petalidium konkiepense (Acanthaceae), a new species from Namibia

scientific article published on 23 February 2023

Petalidium mannheimerae (Acanthaceae), a new species from Namibia and South Africa, with notes on the taxonomic identity of P. parvifolium

scientific article published on 6 September 2022

Phanerozoic evolution of plants on the African plate

article

Plant taxonomic capacity in South Africa

scientific article

Pollen morphology of Euchaetis and Macrostylis (Diosminae-Rutaceae) and its taxonomic implications

scientific article published in 2001

Pollen morphology of Phyllosma and Sheilanthera (Diosminae: Rutaceae) and its taxonomic implications

scientific article published in 2000

Pollen morphology ofAdenandra(Rutaceae: Diosminae) and its taxonomic implications

scientific article published in 1999

Pollen morphology ofCanthium, KeetiaandPsydrax(Rubiaceae: Vanguerieae) in southern Africa

article

Pollen morphology ofDiosmaandColeonema(Rutaceae: Diosminae) and its taxonomic implications

article published in 1999

Production of toxic pavettamine and pavettamine conjugates in the gousiekte-causing Fadogia homblei plant and its relation to the bacterial endosymbiont ⬇️

scientific article published on September 23, 2012

Putterlickia neglecta (Celastraceae), a new species from southern Africa

scientific article

Redefining the Griqualand West Centre of plant endemism

article

Reinstatement of Dovyalis revoluta (Flacourtieae, Salicaceae), with an updated key to the species of Dovyalis in southern Africa

scientific article published in 2019

Reinstatement of the name Petalidium ovatum (Acanthaceae), with an amplified description of the species

scientific article published on 23 November 2023

Secretory structures in Ekebergia capensis (Meliaceae)

scientific article published in 2015

Sectional Classification of Gymnosporia (Celastraceae), with Notes on the Nomenclatural and Taxonomic History of the Genus

scientific article (publication date: May 2006)

Senecio namibensis (Asteraceae: Senecioneae), a new species from Namibia

scientific article published on 3 November 2022

Structural aspects and trends in the evolution of recalcitrant seeds in dicotyledons

Structural evidence in Plectroniella armata (Rubiaceae) for possible material exchange between domatia and mites

scientific article published in 2012

Systematic studies in subfamily Celastroideae (Celastraceae) in southern Africa: The genus Putterlickia ⬇️

scientific article published in 1998

Systematic studies in subfamily Celastroideae (Celastraceae) in southern Africa: reinstatement of the genus Gymnosporia

scientific article published in 1999

Taboo and Political Authority in Conservation Policy

scientific article published in 2008

Taxonomic notes on Acanthopsis (Acanthaceae, tribe Acantheae): the group with semi-dense spikes and 5-fid bracts

scientific article published on 10 October 2017

Taxonomic notes on Acanthopsis Harv. (Acanthaceae, tribe Acantheae): the group with trifid bracts

scientific article (publication date: 10 February 2017)

Taxonomic notes on Encephalartos ferox (Cycadales: Zamiaceae), with the description of a new subspecies from Mozambique

scientific article

Taxonomic notes on the Acanthopsis disperma-hoffmannseggiana complex (Acanthaceae, tribe Acantheae), with an interim key to members of the genus

scientific article (published 2015-07-07)

Taxonomic notes on the shrublet species of Acanthopsis (Acanthaceae, tribe Acantheae), with two new species from South Africa

scientific article

Taxonomic significance of leaf surface morphology inAloesectionPictae(Xanthorrhoeaceae)

scientific article published in 2009

Taxonomic significance of the abaxial lemma surface in southern African members of Helictotrichon (Poaceae)

scientific article published in 2015

Taxonomic status of some geofrutex members of Vanguerieae (Rubiaceae): notes on Eriosemopsis and Pygmaeothamnus and the description of a new genus Bridsonia

scientific article published on 18 December 2017

Temperature controls phenology in continuously flowering species of subtropical Africa

article

The Acacia controversy resulting from minority rule at the Vienna Nomenclature Section: Much more than arcane arguments and complex technicalities

scientific article (publication date: June 2011)

The End Justifies the Means

scientific article (publication date: August 2007)

The Generic Status of Chortolirion (Aloaceae): Evidence from Leaf Anatomy

scientific article published in 1993

The Vigna unguiculata complex (Fabaceae) in southern Africa ⬇️

scientific article published in 1992

The bryofloristic elements of southern Africa

article

The bryofloristic regions of southern Africa

article

The correct names for species of Aloe sect. Chortolirion (Asphodelaceae: Alooideae)

scientific article (publication date: 20 December 2013)

The epidermal cell structure of the secondary pollen presenter in Vangueria infausta (Rubiaceae: Vanguerieae) suggests a functional association with protruding onci in pollen grains

scientific article

The first record of Agave celsii var. albicans (Agavaceae), a Mexican plant, in South Africa

article

The genus Amsinckia Lehm. (Boraginaceae) in southern Africa

scientific article published in 2001

The genus Salsola (Chenopodiaceae) in southern Africa: Systematic significance of leaf anatomy

scientific article published in 2001

The physical environment and major vegetation types of Sekhukhuneland, South Africa

scientific article published in 2002

Therapeutic uses of Aloe L. (Asphodelaceae) in southern Africa.

scientific article

Traditional uses of the remarkable root bark hairs of Lannea schweinfurthii var. stuhlmannii (Anacardiaceae) by the Vhavenḓa, South Africa

scientific article published on 12 March 2019

Two new species of Apodytes (Icacinaceae) from southern Africa

scientific article published in 1994

Two new species of Stylochaeton (Araceae: Aroideae) from South Africa

scientific article published on 12 October 2023

Vegetation of the Tembe Elephant Park, Maputaland, South Africa

article

What is in a name? Scientific name changes of potentially poisonous plants and fungi in South Africa

scientific article published in 2022

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