G. A. Verboom

Publications87
h-index28
Citations2,916
Highly Influential Citations204
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Biogeography of the grasses (Poaceae): a phylogenetic approach to reveal evolutionary history in geographical space and geological time
TLDR
A dated phylogenetic tree based on combined plastid DNA sequences and a comprehensive sample of Poaceae and an additional tree using a supermatrix of morphological and molecular data that included all 800 grass genera so that ancestral biogeography and ecological habitats could be inferred.
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Fynbos: Ecology, Evolution, and Conservation of a Megadiverse Region
1. Vegetation types of the Greater Cape Floristic Region 2. Landscapes, rock types and climate of the Greater Cape Floristic Region 3. Drivers, ecology and management of fire in fynbos 4. Floristic…
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Phylogeny of Cyperaceae Based on DNA Sequence Data: Current Progress and Future Prospects
TLDR
The phylogenetic position of 40 species in 21 genera is presented in this study for the first time, elucidating their position in Abildgaardieae (Trachystylis), CryptangIEae (Didymiandrum, Exochogyne), Cypereae (Androtrichum, Volkiella), Eleocharideae (Chillania), and Schoeneae (Calyptrocarya, Morelotia).
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Origin and diversification of the Greater Cape flora: ancient species repository, hot-bed of recent radiation, or both?
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Ecophysiological significance of leaf size variation in Proteaceae from the Cape Floristic Region.
TLDR
It is concluded that leaf size is conservative for survival over relatively rare periods of hot dry conditions with low wind speeds, and small leaf dimensions confer a capacity for high transpiration when evaporative demand is low and water is abundant.
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PHYLOGENETICS OF THE GRASS GENUS EHRHARTA: EVIDENCE FOR RADIATION IN THE SUMMER‐ARID ZONE OF THE SOUTH AFRICAN CAPE
TLDR
Testing whether the comparatively high diversity of ehrharteoid grasses in the Cape region of South Africa is the result of rapid radiation associated with the onset of a seasonally arid climate during the late Miocene suggests it is, and suggests the potential importance of environmental change in powering diversification in continental floras.
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Phylogenetic relatedness limits co-occurrence at fine spatial scales: evidence from the schoenoid sedges (Cyperaceae: Schoeneae) of the Cape Floristic Region, South Africa.
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PHYLOGENETICS OF THE GRASS GENUS EHRHARTA: EVIDENCE FOR RADIATION IN THE SUMMER-ARID ZONE OF THE SOUTH AFRICAN CAPE
TLDR
Testing whether the comparatively high diversity of ehrharteoid grasses in the Cape region of South Africa is the result of rapid radiation associated with the onset of a seasonally arid climate during the late Miocene and Parsimony optimization of habitat parameters reveals that radiation was correlated with the occupation of seasonallyArid succulent karoo environments.
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The importance of nutritional regulation of plant water flux
TLDR
The link between nutrient mass flow and transpiration, nutrient availability, particularly that of NO3−, partially regulates plant water flux and the consequent trade-off between water and nutrient flux has important implications for understanding plant distributions, for production of water use-efficient crops and for understanding the consequences of global-change-linked CO2 suppression.
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A novel supermatrix approach improves resolution of phylogenetic relationships in a comprehensive sample of danthonioid grasses.
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