R. Barrett

Publications102
h-index16
Citations1,421
Highly Influential Citations96
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DNA data and archidaceae systematics: A new phylogenetic classification
TLDR
A new phylogenetic classification of Orchidaceae is proposed that accords with these newly discovered relationships and should help to focus other areas of orchid research and stimulate the creation of new hypotheses that will direct orchid researchers to new questions. Expand
Orchid conservation: A global perspective
TLDR
These organisations have a vital role to play in countering the trend of biodiversity loss by promoting effective orchid conservation, improving networking and technology transfer, interacting with decision-makers, and in educating the orchid community. Expand
Fungal Planet description sheets: 154–213
TLDR
Novel species of microfungi described in the present study include the following from South Africa: Camarosporium aloes, Phaeococcomyces aloes and Phoma aloes from Aloe, and D. psoraleae-pinnatae from Psoralea, Colletotrichum euphorbiae from Euphorbia, as well as three new species from Mexico. Expand
New species of Lepidosperma (Cyperaceae) associated with banded ironstone in southern Western Australia
TLDR
All of the taxa described here have restricted distributions in association with Banded Iron Formation ranges and are potentially threatened by present or proposed mining activities. Expand
Taxonomy based on science is necessary for global conservation
Author(s): Thomson, Scott A; Pyle, Richard L; Ahyong, Shane T; Alonso-Zarazaga, Miguel; Ammirati, Joe; Araya, Juan Francisco; Ascher, John S; Audisio, Tracy Lynn; Azevedo-Santos, Valter M; Bailly,… Expand
Radiation and repeated transoceanic dispersal of Schoeneae (Cyperaceae) through the southern hemisphere.
TLDR
In Schoeneae, transoceanic dispersal has been remarkably frequent, with ecological opportunity, rather than geography, being most important in dictating dispersal patterns. Expand
A sedge plant as the source of Kangaroo Island propolis rich in prenylated p-coumarate ester and stilbenes.
TLDR
The large Australasian genus Lepidosperma is identified as a valuable resource for the isolation of substances with medicinal potential, and three of these compounds showed growth inhibitory activity. Expand
Microorganisms in Plant Conservation and Biodiversity
TLDR
This work focuses on the conservation of mycorrhizal fungal communities under elevated atmospheric CO2 and anthropogenic nitrogen deposition in natural ecosystems and the impact of fungal pathogens in natural forest ecosystems. Expand
Spatial and Developmental Variation in Seed Dormancy Characteristics in the Fire-responsive Species Anigozanthos manglesii(Haemodoraceae) from Western Australia
TLDR
There was a trend of increasing responsiveness of A. manglesii to smoke with increasing latitude along a clinal range, but there were no differences in germination of seeds along the cline in response to control or heat treatments. Expand
A baker's dozen of new wattles highlights significant Acacia (Fabaceae: Mimosoideae) diversity and endemism in the north-west Kimberley region of Western Australia
TLDR
Thirteen new species of Acacia Mill from the Kimberley region in northern Western Australia are described, highlighting significant levels of plant endemism in this region. Expand
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