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Saltwater algae

Observed: 9th October 2013 By: chris pringchris pring’s reputation in Plants

These circular discs were found on the half tide line. They were about an inch across on short stubby stalks. There were about 100 of them in a small patch on rocks exposed at low tide. I thought they were 'mermaid cups' but don't seem to fit the descriptions in my books.

Species interactions

No interactions present.