selected publications
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academic article
- Species delimitation and the origin of populations in island representatives of Phylica (Rhamnaceae) 2003-4-1
- Rapid and recent origin of species richness in the Cape flora of south Africa 2001-7-12
- Molecular data confirm the affinities of the south-west Australian endemic Granitites with Alphitonia (Rhamnaceae) 2001-1-1
- Phylogenetic analysis of Phylica L. (Rhamnaceae) with an emphasis on island species: Evidence from plastid trnL-F and nuclear internal transcribed spacer (ribosomal) DNA sequences 2001-1-1
- A phylogenetic analysis of Rhamnaceae using rbcL and trnL-F plastid DNA sequences 2000-1-1
- A revision of the tribal classification of Rhamnaceae 2000-1-1
- Family relationships of the enigmatic rosid genera Barbeya and Dirachma from the Horn of Africa region 1998-1-1
- Molecular data support the inclusion of Duckeodendron cestroides in Solanaceae 1998-1-1
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editorial article
- The natural history of Annonaceae 2012-5-1