plants

Combinatorial speciation and ongoing gene flow in Eucalyptus.

Rose Andrew (University of New England); Jasmine Janes (Vancouver Island University); Kevin Murray (Australian National University); Scott Ferguson (Australian National University); Justin Borevitz (Australian National University). Eucalypts are hard. It’s part of why we love them, and a great stimulus for animated discussions or friendly disagreements. Some of us hope to find the secrets of eucalypts …

Combinatorial speciation and ongoing gene flow in Eucalyptus. Read More »

Conservation genetics of Critically Endangered Zieria (Rutaceae): confirming existing species boundaries and identification of a species new to science.

Harvey K. Orel (The University of Melbourne); Todd G. B. McLay (The University of Melbourne, Royal Botanic Gardens Victoria and CSIRO); Lydia K. Guja (Australian National Botanic Gardens and CSIRO); Marco F. Duretto (Botanic Gardens of Sydney); Michael J. Bayly (The University of Melbourne). Zieria is a genus of 63 described species of shrubs or small trees in the family …

Conservation genetics of Critically Endangered Zieria (Rutaceae): confirming existing species boundaries and identification of a species new to science. Read More »

Discoveries in the Cassia tomentella and Samadera bidwillii species complexes provide information for conservation.

Laura Simmons (Royal Botanic Gardens Victoria); Jason Halford (Queensland Herbarium); Gordon Guymer (Queensland Herbarium); Todd McLay (National Biodiversity DNA Library, CSIRO). The Queensland Herbarium in collaboration with the Royal Botanic Gardens Victoria embarked on three Genomics for Australian Plants (GAP) Conservation Genomics projects in 2020 focusing on Gompholobium, Cassia and Samadera. Each project investigated the morphological and genetic distinctiveness of …

Discoveries in the Cassia tomentella and Samadera bidwillii species complexes provide information for conservation. Read More »

Is Angiosperms353 an effective tool for population genomics?

Benjamin M. Anderson (Western Australia Department of Biodiversity, Conservation and Attractions); Rachel M. Binks (Western Australia Department of Biodiversity, Conservation and Attractions); Margaret Byrne (Western Australia Department of Biodiversity, Conservation and Attractions). Targeted sequence capture is a powerful tool for obtaining genomic datasets useful for inferring phylogenetic relationships. The Angiosperms353 (A353) bait kit targets 353 …

Is Angiosperms353 an effective tool for population genomics? Read More »

Reconciling incongruence and implications for taxonomy/systematics in the phylogenomic era.

Francis J. Nge (Institut de Recherche pour le Développement and National Herbarium of New South Wales, Botanic Gardens of Sydney). Incongruence could arise through different datasets (e.g. molecular vs. morphological or nuclear vs organellar), analytical methods (e.g., concatenated vs. coalescent), and even across different genes in the phylogenomic era. Conflicting results from any of these would …

Reconciling incongruence and implications for taxonomy/systematics in the phylogenomic era. Read More »

Resolving the taxonomy of the Caladenia patersonii and C. reticulata Orchidaceae) species complexes in South Australia.

Andrew E. McDougall (The University of Adelaide ); Ed Biffin (State Herbarium of South Australia); Tim Hammer (The University of Adelaide and State Herbarium of South Australia); Michelle Waycott (The University of Adelaide and State Herbarium of South Australia). Intense taxonomic activity over the past thirty years within the Caladenia patersonii and C. reticulata species complexes in South Australia (~31 …

Resolving the taxonomy of the Caladenia patersonii and C. reticulata Orchidaceae) species complexes in South Australia. Read More »

The complex history of the Macrozamia plurinervia complex helps explain the challenges of delimiting species in this group.

Alicia Toon (The University of Queensland); Paul Forster (Queensland Herbarium); Lyn Cook (The University of Queensland). The Macrozamia plurinervia complex is a group of cycads comprising seven described species that are distributed inland in southern Queensland and northern NSW. They occur in small populations, with many isolated by disturbed or cleared habitat. Four members of the complex are …

The complex history of the Macrozamia plurinervia complex helps explain the challenges of delimiting species in this group. Read More »

Two cryptic conifer species separated by a mid-Miocene aridity barrier in southern Australia.

Michael D. Crisp (The University of Queensland); Meredith Cosgrove (CSIRO Plant Industry); Shota Sakaguchi (Kyoto University); Lyn G. Cook (The University of Queensland). The conifer species Callitris canescens (Cupressaceae), as currently circumscribed, has a disjunct distribution in south-west Western Australia and south-east South Australia. The species is absent from the low, arid limestone plateau of the Nullarbor …

Two cryptic conifer species separated by a mid-Miocene aridity barrier in southern Australia. Read More »

Impact of fossils on reconstructing ancestral flowers in Ericales.

Julian Herting (Botanic Gardens of Sydney); Jürg Schönenberger (Universität Wien); Hervé Sauquet (Botanic Gardens of Sydney, University of New South Wales, and University of Sydney). Reconstructing ancestral states is an essential tool for understanding the evolution of traits and lineages, but the impact of including fossils in these reconstruction remains largely unexplored. The asterid order Ericales has …

Impact of fossils on reconstructing ancestral flowers in Ericales. Read More »

Angiosperm flowers reached their highest morphological diversity early in their evolutionary history.

Andrea M. López-Martínez (Universidad Nacional Autónoma de México); Susana Magallón (Universidad Nacional Autónoma de México); Maria von Balthazar (University of Vienna); Jürg Schönenberger (University of Vienna); Hervé Sauquet (National Herbarium of New South Wales and University of New South Wales); Marion Chartier (University of Vienna). Flowers are the complex and highly diverse reproductive structures of angiosperms. Because …

Angiosperm flowers reached their highest morphological diversity early in their evolutionary history. Read More »

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