Iridaea flaccida
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Gigartinaceae
- genus: Iridaea
- species: Iridaea flaccida
Carmel-by-the-Sea- Del Monte Forest
- Pacific Grove
California- Barview
Oregon
United States