Cryptopleura ramosa (Hudson) Kylin ex Newton
Description: Thin, membranous, brownish red fronds, to 200 mm
long. Frond ± dichotomously divided, becoming irregular in upper
parts. Frond with spots of iridescence, with undulate, often proliferous margins, sometimes
with flattened hooks or with rhizoidal attachment processes. Very variable
in growth from.
Habitat: On rock and Laminaria hyperborea stipes, lower intertidal and subtidal, generally distributed, common.
Notes: Gonimophyllum buffhamii, a minute parasite, occurs rarely on subtidal plants of Cryptopleura on southern and western coasts.