Stylonema alsidii

Stylonema alsidii is a species of marine red algae. The type locality is Trieste, Italy, but it has a worldwide distribution.
The species was first described by Giovanni Zanardini in 1840 as Bangia alsidii.

Distribution

It is one of the List of [algae of the Houtman Abrolhos|algae of the Houtman Abrolhos], found off the coast of Western Australia. It is one of the List of [red seaweeds of South Africa|red seaweeds of South Africa], including the seaweeds of the Cape Peninsula and False Bay (disambiguation)|seaweeds of the Cape Peninsula and False Bay].

Ecology

It is susceptible to infection by the parasitic oomycete Pythium porphyrae.