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Electronic Flora of South Australia Genus Fact Sheet

Genus GYMNOTHAMNION J. Agardh 1892: 27

Phylum Rhodophyta – Order Ceramiales – Family Ceramiaceae – Tribe Gymnothamnieae

With the characters of the tribe

Type species: Gymnothamnion elegans (Schousboe) J. Agardh 1892: 28.

Taxonomic notes: A genus with 2 species, the type and G. nigrescens from southern Australia.

References:

AGARDH, J.G. (1892). Analecta Algologica. Acta Univ. lund. 28, 1–182, Plates 1–3.

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

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (24 December, 1998)
The Marine Benthic Flora of Southern Australia
Rhodophyta. Part IIIC. Ceramiales – Ceramiaceae, Dasyaceae
©State Herbarium of South Australia, Government of South Australia

KEY TO SPECIES OF GYMNOTHAMNION

1. Thallus 2–5 mm high, axes 10–15 mm in diameter, branchlets 5–9 mm in diameter

G. elegans

1. Thallus 2–3 cm high, axes 80–130 mm in diameter, branchlets 35–50 mm in diameter

G. nigrescens


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