Kylin, H. (1932), Die Florideenordnung Gigartinales: 44 [comb. nov.]

basionym: Hypnea planicaulis Harv. legitimate

Womersley, H.B.S. (1994), The marine benthic flora of southern Australia: - [secondary reference]

nomenclatural synonym: Hypnea planicaulis Harv. legitimate

• APC Comment: R.Cowan (2011) uses this taxon concept.

ABRS (2011), Australian Algal Name Index Edn. 2011: - [secondary reference]

• AMANI dist.: Victoria (Flindersian), Tasmania (Flindersian), South Australia (Flindersian), Western Australia (Flindersian).

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