Cordylecladia erecta (Greville) J. Agardh
Description: Narrow cylindrical, cartilaginous,
brownish-red fronds, to 100 mm high, in tufts from thin,
spreading, discoid base often hidden below sand. Sparingly
subdichotomously branched, branches tapering to fine point.
Habitat: On sand-covered rocks, low intertidal and
subtidal, widely distributed, frequently overlooked. Southern
and western coasts (very rare in NE England and E Scotland)
north to Shetland.
Similar species: Frequently confused with
Gracilaria gracilis, which does not have an expanded crustose base.
Cordylecladia erecta is smaller, generally stands erect
and has a brownish rather than a purplish-red colour. Plants of
Gracilariopsis lemaneiformis may have irregularly sollen
areas when growing in sand or shell-sand. Reproductive plants of
Cordylecladia erecta are only found in winter when the
reproductive structures occur in swollen, often spindle-shaped
areas near the tips of the fronds.
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