Isotoma sessiliflora (E.Wimm.) Lammers (1999:75)
Taxonomy & Nomenclature
Synonym/s: Hypsela sessiliflora E.Wimm. in H.G.A.Engler (ed.), Pflanzenr., IV, 276b: 121 (1943)
Invalid (synonym of I. fluviatilis fluviatilis) (Albrecht et al., 2015; POWO, 2023)
Conservation Status
Invalid (synonym of I. fluviatilis fluviatilis) (Albrecht et al., 2015)
Last record: 1801-1805 (Albrecht et al., 2015:455)
Rediscovered in 1999 prior to synonymisation (Albrecht et al., 2015:455)
"A specimen collected at Homebush in 1951 and another collected at Agnes Banks in 1992 were provisionally identified as H. sessiliflora but were later re-determined as Isotoma fluviatilis (R.Br.) F.Muell. ex Benth."
(Albrecht et al., 2015:455)
Distribution
Sydney region, New South Wales, Australia
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Wimmer, F. E. in Engler, H.G.A. (1943), Das Pflanzenreich Heft 106: 121, fig. 31b.
Other references:
Albrecht, David E., Walsh, Neville G., Jobson, Richard W. and Knox, Eric B. (2015). The taxonomic status of Hypsela sessiliflora E.Wimm. (Campanulaceae: Lobelioideae). Telopea 18: 455-462.
Briggs, John D. and Leigh, John H. (1996). Rare or Threatened Australian Plants, revised edition. Collingwood, Victoria: CSIRO Publishing. x + 466 pp.
Department of the Environment. (2015). Hypsela sessiliflora in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: http://www.environment.gov.au/sprat. Accessed Mon, 7 Dec 2015 21:21:26 +1100.
Hnatiuk, R.J. (1990). Census of Australian vascular plants. Australian Flora and Fauna Series 11: 1-650.
Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
POWO. (2023). Isotoma fluviatilis subsp. fluviatilis. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 11 December 2023]
Silcock, Jen L., Field, Ashley R., Walsh, Neville G. and Fensham, Roderick J. (2019). To name those lost: assessing extinction likelihood in the Australian vascular flora. Oryx 54(2): 167-177. https://doi.org/10.1017/S0030605318001357 [Supplementary Material]
Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.
Wiecek, B. (1992). Harden, G.J., ed. Flora of New South Wales. 3:131. Sydney, NSW: University of New South Wales Press.
https://vanishingflora.proboards.com/thread/3284/hypsela-sessiliflora
<< Back to the Asterales (Daisies, Goodenias, Lobelias etc.) database