Polysiphonia morrowii

Polysiphonia morrowii is a species of red algae native to Northeast Asia. It has become an invasive species in Europe, Australia, New Zealand, and South America.^[1][2]

Polysiphonia morrowii
Polysiphonia morrowii (fig. 1-8)
Scientific classification
Clade:	Archaeplastida
Division:	Rhodophyta
Class:	Florideophyceae
Order:	Ceramiales
Family:	Rhodomelaceae
Genus:	Polysiphonia
Species:	P. morrowii
Binomial name
Polysiphonia morrowii Harvey, 1857

It is susceptible to infection by the parasitic oomycete Pythium porphyrae^[3]