Category
page 1Environment of Cornwall

Quercus petraea
species of oak

Red-billed Chough
species of bird

Erica vagans
species of plant

Pyrus cordata
species of plant

Marsupella profunda
species of liverwort

Sandhill Rustic
species of insect
Pseudocoremia suavis
species of insect

Maerl
thumb|Maerl off the coast of the Isle of Arran
thumb|Calcified remains of maerl, on the "coral beach" in the Isle of Skye
thumb|Maerl in Lanildut.
thumb|Pieces of popcorn-like maerl from Fuerteventura island.
Maerl (also rhodolith) is a collective name for non-geniculate coralline red algae with a certain growth habit. Maerl grows at a rate of c. 1 mm per year. It accumulates as unattached particles and forms extensive beds in suitable sublittoral sites. The term maerl originally refers to the branched growth form of Lemoine (1910) and rhodolith is a sedimentological or genetic term for b
Euphrasia vigursii
species of plant
Ditrichum cornubicum
species of plant