Malvaceae Juss.
Lawrencia helmsii (F.Muell. & Tate) Lander
, legitimate, scientific
[Lander, N.S. (22 January 1985), Revision of the Australian genus Lawrencia Hook. (Malvaceae: Malveae). Nuytsia 5(2)]:
252-255, Figs 1G, Map 8
[comb. nov.]
basionym:
Plagianthus helmsii F.Muell. & Tate
legitimate
nomenclatural synonym:
Selenothamnus helmsii (F.Muell. & Tate) Melville
legitimate
-
Etymology:
"The specific epithet commemorates Robert Helms, naturalist on the Elder Exploring Expedition, 1891-1892, in the north-west of South Australia and across the Victoria Desert to Western Australia ..."
[Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2]:
113
[secondary reference]
nomenclatural synonym:
Selenothamnus helmsii (F.Muell. & Tate) Melville
legitimate
[Council of Heads of Australasian Herbaria (2012), Australian Plant Census]:
-
[secondary reference]
nomenclatural synonym:
Plagianthus helmsii F.Muell. & Tate
legitimate
nomenclatural synonym:
Plagianthus helmsii F.Muell. & Tate
isonym
nomenclatural synonym:
Selenothamnus helmsii (F.Muell. & Tate) Melville
legitimate
[Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census]:
-
APC
[secondary reference]
nomenclatural synonym:
Plagianthus helmsii F.Muell. & Tate
legitimate
nomenclatural synonym:
Plagianthus helmsii F.Muell. & Tate
isonym
nomenclatural synonym:
Selenothamnus helmsii (F.Muell. & Tate) Melville
legitimate
taxonomic synonym:
Plagianthus helmsii F.Muell. & Tate
nom. inval.