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Electronic Flora of South Australia Species Fact Sheet

Polysiphonia sphacelarioides J. Agardh 1885: 100.

Phylum Rhodophyta – Family Rhodomelaceae – Tribe Polysiphonieae

Selected citations: De Toni 1903: 890. Falkenberg 1901: 144. Lucas 1909: 41. Lucas & Perrin 1947: 268. Tisdall 1898: 514. Wilson 1890: 491; 1892: 167. Womersley 1979: 508.

Lectotype from Dromana Bay, Port Phillip, Vic. (Wilson 37, 1.ii.1884; LD, 39593), with isotypes in MEL, 1006734 and AD, A8297.


Distribution map based
on current data relating to
specimens held in the
State Herbarium of SA

Taxonomic notes: Womersley (1979, p. 508) commented that this species is probably not a Polysiphonia, but generic placement depends on collections of fertile material. The thallus consists of long slender axes, possibly prostrate, bearing short, mostly unbranched laterals from each segment, spirally arranged with a divergence of 1/4; the axial segments have 4 pericentral cells, and are 100–120 µm in diameter with L/D 1.5–2.2, and the segments of laterals are 40–60 µm in diameter and L/D 1–1.5.

Species of uncertain status.

References:

AGARDH, J.G. (1885). Till algernes systematik. VII. Florideae. Acta Univ. lund. 21, 1–120, Plate 1.

DE TONI, G.B. (1903). Sylloge Algarum omnium hucusque Cognitarum. Vol. 4. Florideae. Sect. 3. pp. 775–1521 + 1523–1525. (Padua.)

FALKENBERG, P. (1901). Die Rhodomelaceen des Golfes von Neapel und der angrenzenden Meeres-abschnitte. Fauna und Flora des Golfes von Neapel. Monogr. 26. (Friedländer: Berlin.)

LUCAS, A.H.S. & PERRIN, F. (1947). The Seaweeds of South Australia. Part 2. The Red Seaweeds. (Govt Printer: Adelaide.)

LUCAS, A.H.S. (1909). Revised list of the Fucoideae and Florideae of Australia. Proc. Linn. Soc. N.S.W. 34, 9–60.

TISDALL, H.T. (1898). The algae of Victoria. Rep. 7th Meet. Aust. Ass. Adv. Sci., Sydney, 1898, pp. 493–516.

WILSON, J.B. (1890). Descriptions of new Victorian Algae. (Translated by J. Bracebridge Wilson, M.A., F.L.S., from Till Algernes Systematik nya bidrag of J.G. Agardh). Rep. Second Meet. Aust. Ass. Adv. Science, Melbourne, Vic., Jan. 1890, pp 488–491.

WILSON, J.B. (1892). Catalogue of algae collected at or near Port Phillip Heads and Western Port. Proc. R. Soc. Viet. 4, 157–190.

WOMERSLEY, H.B.S. (1979). Southern Australian species of Polysiphonia Greville (Rhodophyta). Aust. J. Bot. 27, 459–528.

The Marine Benthic Flora of Southern Australia Part IIID complete list of references.

Publication: Womersley, H.B.S. (24 February, 2003)
The Marine Benthic Flora of Southern Australia
Rhodophyta. Part IIID. Ceramiales – Delesseriaceae, Sarcomeniaceae, Rhodomelaceae
Reproduced with permission from The Marine Benthic Flora of Southern Australia Part IIID 2003, by H.B.S. Womersley. Australian Biological Resources Study, Canberra. Copyright Commonwealth of Australia.


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