P W J Van Wyk

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FABACEAE

Authors: P J H Hurter | E Van Wyk

Published in Bothalia, in 2001, in volume 31, issue 1, pages 43-44

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v31i1.503

ASPHODELACEAE

Authors: E J Van Jaarsveld | W Swanepoel | A E Van Wyk

Published in Bothalia, in 2006, in volume 36, issue 1, pages 75-77

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v36i1.343

FABACEAE

Authors: P J H Hurter | A E Van Wyk

Published in Bothalia, in 2004, in volume 34, issue 1, pages 42-44

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v34i1.410

Ascospore development in Ceratocystis sensu lato (Fungi): a review

Authors: P W J Van Wyk | M J Wingfield

Published in Bothalia, in 1990, in volume 20, issue 2, pages 141-145

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v20i2.907

MESEMBRYANTHEMACEAE

Authors: P Chesselet | A E Van Wyk

Published in Bothalia, in 2002, in volume 32, issue 2, pages 187-190

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v32i2.484

ASPHODELACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2005, in volume 35, issue 2, pages 164-166

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i2.395

PEDALIACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2007, in volume 37, issue 2, pages 198

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v37i2.316

HYACINTHACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2005, in volume 35, issue 1, pages 82-84

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i1.379

LAMIACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2001, in volume 31, issue 1, pages 44-46

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v31i1.504

LAMIACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2004, in volume 34, issue 1, pages 30-32

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v34i1.405

LAMIACEAE

Authors: E J Van Jaarsveld | A E Van Wyk

Published in Bothalia, in 2003, in volume 33, issue 1, pages 107-108

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v33i1.436

RUBIACEAE

Authors: P M Tilney | A E Van Wyk

Published in Bothalia, in 2006, in volume 36, issue 1, pages 68-69

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v36i1.338

CRASSULACEAE

Authors: P M Burgoyne | A E Van Wyk

Published in Bothalia, in 1999, in volume 29, issue 2, pages 254-255

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v29i2.597

DIE „POTCH" BOOMMETER

Authors: J J P Van Wyk | G J Du Plessis

Published in Journal of South African Botany, in 1971, in volume 37, issue 3, pages 143-146

Created: 2024-07-21, modified: 2024-07-21

POACEAE

Authors: J J Spies | S M C Van Wyk

Published in Bothalia, in 2002, in volume 32, issue 1, pages 123-126

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v32i1.475

CRASSULACEAE

Authors: E J Van Jaarsveld | B Nordenstam | A E Van Wyk

Published in Bothalia, in 2004, in volume 34, issue 1, pages 35-38

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v34i1.407

SCROPHULARIACEAE

Authors: S J Siebert | A E Van Wyk

Published in Bothalia, in 2005, in volume 35, issue 1, pages 69-71

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i1.372

LAMIACEAE

Authors: E J Jaarsveld | A E Van Wyk

Published in Bothalia, in 2005, in volume 35, issue 2, pages 157-160

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i2.391

MESEMBRYANTHEMACEAE

Authors: P Chesselet | A E Van Wyk | G F Smith

Published in Bothalia, in 2004, in volume 34, issue 1, pages 47-51

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v34i1.412

Flora of the Zuurberg National Park. 1. Characterization of major vegetation units

Authors: B-E Van Wyk | P A Novellie | C M Van Wyk

Published in Bothalia, in 1988, in volume 18, issue 2, pages 211-220

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v18i2.1048

LYCOPERDACEAE-GASTEROMYCETES

Authors: J C Coetzee | A E Van Wyk

Published in Bothalia, in 2010, in volume 40, issue 2, pages 172-174

Created: 2026-04-02, modified: 2026-04-02

doi:10.4102/abc.v40i2.209

Conidium development in the synnematous anamorphs of Ophiostoma

Authors: M Mouton | M J Wingfield | P S Van Wyk

Published in Mycotaxon, in 1993, in volume 46, pages 371-379

Created: 2025-04-22, modified: 2025-04-22

Three subspecies of Pelargonium laevigatum (Geraniaceae)

Authors: C M Van Wyk | J J A Van Der Walt

Published in Bothalia, in 1995, in volume 25, issue 2, pages 133-139

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v25i2.722

PORTULACACEAE

Authors: G F Smith | E J Van Jaarsveld | B-E Van Wyk | S Taylor

Published in Bothalia, in 1997, in volume 27, issue 2, pages 139-140

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v27i2.672

POACEAE

Authors: J J Spies | T H Burger | S M C Van Wyk

Published in Bothalia, in 1999, in volume 29, issue 2, pages 335-341

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v29i2.605

Conidium development in the Knoxdaviesia anamorph of Ceratocystiopsis proteae

Authors: M Mouton | M J Wingfield | P S Van Wyk

Published in Mycotaxon, in 1993, in volume 46, pages 363-370

Created: 2025-04-22, modified: 2025-04-22

FABACEAE

Authors: B-E Van Wyk

Published in Bothalia, in 1990, in volume 20, issue 1, pages 70-73

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v20i1.896

FABACEAE

Authors: B-E Van Wyk

Published in Bothalia, in 1990, in volume 20, issue 1, pages 75-80

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v20i1.898

FABACEAE

Authors: B-E Van Wyk

Published in Bothalia, in 1989, in volume 19, issue 1, pages 32-34

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v19i1.938

Alliaceae

Authors: C G Vosa | S J Siebert | A E Van Wyk

Published in Bothalia, in 2011, in volume 41, issue 2, pages 311-314

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v41i2.70

AMARYLLIDACEAE

Authors: Z H Swanevelder | A E Van Wyk | J T Truter

Published in Bothalia, in 2005, in volume 35, issue 1, pages 67-68

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i1.371

Conidium development in Hyalodendron and Allescheriella anamorphs of Ophiostoma and Ceratocystiopsis

Authors: E Benade | M J Wingfield | P S Van Wyk

Published in Mycotaxon, in 1998, in volume 68, pages 251-263

Created: 2025-04-21, modified: 2025-04-21

ROOT AND CROWN ROT OF SILVER TREES

Authors: P S Van Wyk

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 255-260

Created: 2024-07-18, modified: 2024-07-18

FABACEAE

Authors: A Grobler | A E Van Wyk

Published in Bothalia, in 2010, in volume 40, issue 2, pages 183-184

Created: 2026-04-02, modified: 2026-04-02

doi:10.4102/abc.v40i2.214

BORAGINACEAE

Authors: E Retief | A E Van Wyk

Published in Bothalia, in 2005, in volume 35, issue 1, pages 78-80

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v35i1.376

FABACEAE

Authors: A Moteetee | B-E Van Wyk

Published in Bothalia, in 2001, in volume 31, issue 2, pages 209-212

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v31i2.527

Extrafloral nectaries in Combretaceae: morphology, anatomy and taxonomic significance

Authors: P M Tilney | A E Van Wyk

Published in Bothalia, in 2004, in volume 34, issue 2, pages 115-126

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v34i2.426

CELASTRACEAE

Authors: R H Archer | A E Van Wyk

Published in Bothalia, in 1996, in volume 26, issue 1, pages 41-42

Created: 2025-10-24, modified: 2025-10-24

doi:10.4102/abc.v26i1.686

Fabaceae

Authors: A N Moteetee | B E Van Wyk

Published in Bothalia, in 2012, in volume 42, issue 2, pages 187-190

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v42i2.15

ASTERACEAE

Authors: N C Netnou | B-E Van Wyk

Published in Bothalia, in 2007, in volume 37, issue 1, pages 55-56

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v37i1.302

ASTERACEAE

Authors: N C Netnou | B-E Van Wyk

Published in Bothalia, in 2003, in volume 33, issue 2, pages 158-159

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v33i2.446

ASPHODELACEAE

Authors: G F Smith | A E Van Wyk

Published in Bothalia, in 1996, in volume 26, issue 2, pages 158

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v26i2.702

OXALIDACEAE

Authors: L L Dreyer | A E Van Wyk

Published in Bothalia, in 1998, in volume 28, issue 1, pages 65

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v28i1.621

ASTERACEAE

Authors: G V Cron | B-E Van Wyk

Published in Bothalia, in 1994, in volume 24, issue 1, pages 91-92

Created: 2026-04-05, modified: 2026-04-05

doi:10.4102/abc.v24i1.755

Morphology and anatomy of the rhizome and frond in the African species of Polystichum (Pteropsida: Dryopteridaceae)

Authors: J P Roux | A E Van Wyk

Published in Bothalia, in 2000, in volume 30, issue 1, pages 57-68

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v30i1.542

A review of the genus Curtisia (Curtisiaceae)

Authors: E Yu Yembaturova | B-E Van Wyk | P M Tilney

Published in Bothalia, in 2009, in volume 39, issue 1, pages 87-96

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v39i1.232

APIACEAE

Authors: M T R Schubert | B-E Van Wyk

Published in Bothalia, in 1996, in volume 26, issue 1, pages 50-52

Created: 2025-10-24, modified: 2025-10-24

doi:10.4102/abc.v26i1.689

OBITUARY ROLF DAHLGREN (1932-1987)

Authors: A E Van Wyk

Published in Bothalia, in 1987, in volume 17, issue 2, pages 261-266

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v17i2.1041

Miscellaneous note

Authors: G F Smith | A E Van Wyk

Published in Bothalia, in 1990, in volume 20, issue 1, pages 123-125

Created: 2025-10-05, modified: 2025-10-05

doi:10.4102/abc.v20i1.905

Pteridophyta–Sinopteridaceae

Authors: R R Klopper | A E Van Wyk

Published in Bothalia, in 2011, in volume 41, issue 1, pages 204-207

Created: 2026-04-03, modified: 2026-04-03

doi:10.4102/abc.v41i1.51