W.H. Harvey's Australian Travelling Sets of Algae in the Herbarium of Trinity College Dublin (Tcd) and the National Herbarium of Victoria (Mel), Australia

Parnell, John A. N.; Wormersley, H.B.S.; Sinkora, D; Vaughan, Alden T.; Huisman, John M.

doi:10.1353/bae.2010.0022

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Obtaining DNA sequences from the type material was another option to resolve the identity of the holotype of Bryocladia scopulorum , but several problems prevented us from attempting this approach. The type collection includes the lectotype housed at TCD (Parnell et al., 2010, as Polysiphonia ) and isotypes at BM and MEL. The lectotype of B. scopulorum belongs to Harvey's Travelling Set, housed at Trinity College of Dublin herbarium, and it is unavailable for loan (Parnell et al., 2010).…”

Section: Discussionmentioning

confidence: 99%

“…The type collection includes the lectotype housed at TCD (Parnell et al., 2010, as Polysiphonia ) and isotypes at BM and MEL. The lectotype of B. scopulorum belongs to Harvey's Travelling Set, housed at Trinity College of Dublin herbarium, and it is unavailable for loan (Parnell et al., 2010). The lectotype and isolectotypes are small, so a significant part of the specimens would have been needed for DNA sequencing, which we considered too wasteful a use of these unique and precious samples.…”

Section: Discussionmentioning

confidence: 99%

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Resolving the taxonomy of the Polysiphonia scopulorum complex and the Bryocladia lineage (Rhodomelaceae, Rhodophyta)

Díaz‐Tapia,

Verbruggen

2023

Journal of Phycology

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Cryptic diversity is common among marine macroalgae, with molecular tools leading to the discovery of many new species. To assign names to these morphologically similar species, the type and synonyms have to be examined, and if appropriate, new species must be described. The turf‐forming red alga Polysiphonia scopulorum was originally described from Rottnest Island, Australia, and subsequently widely reported in tropical and temperate coasts based on morphological identifications. A recent study of molecular species delineation revealed a complex of 12 species in Australia, South Africa, and Europe. These species are placed in a taxonomically unresolved lineage of the tribe Polysiphonieae. The aim of this study was to resolve the genus‐ and species‐level taxonomy of this complex and related species using molecular and morphological information. Three morphologically indistinguishable species of the complex were found at the type locality of P. scopulorum, preventing a straightforward assignment of the name to any of the molecular lineages. Therefore, we propose a molecularly characterized epitype. Polysiphonia caespitosa is reinstated for the only species found in its type locality in South Africa. We describe seven new species. Only one species of the complex can be morphologically recognized, with the other eight species indistinguishable based on morphometric analysis. The studied complex, together with another seven species currently placed in Polysiphonia and two Bryocladia species, formed a clade distinct from Polysiphonia sensu stricto. Based on observations of Bryocladia cervicornis (the generitype), we describe our seven new species in the genus Bryocladia and transfer another nine species from Polysiphonia to Bryocladia.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Resolving the taxonomy of the Polysiphonia scopulorum complex and the Bryocladia lineage (Rhodomelaceae, Rhodophyta)

Díaz‐Tapia,

Verbruggen

2023

Journal of Phycology

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Hugh Bryan Spencer Womersley 1922–2011

Maroske¹

2019

Hist. Rec. Aust. Sci.

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Hugh Bryan Spencer Womersley disliked the word ‘seaweed’, and objected every time it was spoken in his presence. To him algae were not ‘weeds’ but beautiful organisms, well worthy of making the subject of a lifetime of scientific study. As was common in the middle of the twentieth century, Womersley did not begin his career as a phycologist, but rather found himself specialising in this life form after discovering how richly represented and little known it was along the coast of southern Australia. In his seventy-year association with the University of Adelaide, Bryan transformed the study of phycology in Australia, attracting a pool of talented students to contribute to his grand project of a marine benthic flora of southern Australia, and to carry the study of algae forward into the next generation. Being a pioneer in the field gave him opportunities for ground-breaking research and an overview of the discipline as it developed, positioning him as the leading expert on Australian algae in the international phycological community.

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Taxonomic revision of Halimeda (Bryopsidales, Chlorophyta) in south-western Australia

Cremen

Huisman

Marcelino

et al. 2016

Aust. Systematic Bot.

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Halimeda J.V.Lamour. is a green algal genus that is an important component of tropical reefs and lagoons. Although it does not generally occur outside the tropics, the range of one putatively widespread species, Halimeda cuneata Hering, in Western Australia extends southward past Cape Leeuwin to its southern extreme at Cape Howe and around to its most easterly record at Middle Island of the Recherche Archipelago. Previous molecular studies have shown that H. cuneata as recorded worldwide encompasses cryptic species diversity, with most of the cryptic entities being geographically isolated from the others. Halimeda cuneata has been the name consistently applied to specimens from the south-western coast of Australia, where it has been regarded as the only representative of its genus in the region. Using a combination of morphological features and assessment of species boundaries based on a plastid gene (tufA) and a nuclear protein-coding gene (HSP90), we have reassessed the supposed presence of H. cuneata in south-western Australia. Our results showed the existence of two species in the region, namely, H. versatilis J.Agardh, to which the name H. cuneata has been misapplied, and H. gigas W.R.Taylor, a central-Pacific species previously recorded only from tropical Australia.

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W.H. Harvey's Australian Travelling Sets of Algae in the Herbarium of Trinity College Dublin (Tcd) and the National Herbarium of Victoria (Mel), Australia

Cited by 3 publications

References 3 publications

Resolving the taxonomy of the Polysiphonia scopulorum complex and the Bryocladia lineage (Rhodomelaceae, Rhodophyta)

Resolving the taxonomy of the Polysiphonia scopulorum complex and the Bryocladia lineage (Rhodomelaceae, Rhodophyta)

Hugh Bryan Spencer Womersley 1922–2011

Taxonomic revision of Halimeda (Bryopsidales, Chlorophyta) in south-western Australia

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