Splachnidium rugosum

Splachnidium rugosum, the deadman's fingers or gummy weed, is a species of seaweed in New Zealand.^[1][2][3]

Splachnidium rugosum
Splachnidium rugosum at Te Kopahou Reserve
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	Sar
Clade:	Stramenopiles
Phylum:	Gyrista
Subphylum:	Ochrophytina
Class:	Phaeophyceae
Order:	Scytothamnales
Family:	Splachnidiaceae
Genus:	Splachnidium
Species:	S. rugosum
Binomial name
Splachnidium rugosum (L.) Grev.

Description

A small seaweed that grows on rocks near the shore and in the intertidal zone, tubular, which is filled with a clear gooey substance.

Range

Native to New Zealand, and known across the southern hemisphere, from Tristan da Cunha to South Africa to Australia.^[4][2]

Community scientists using the platform INaturalist have identified superficially morphologically similar specimens across the southern Hemisphere using user-uploaded photos.^[1]

Habitat

Intertidal zone.

Taxonomy

Splachnidium is monotypic, containing only the species S. rugosum.^[5]