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Lichen

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Lecidella scabra


Lecidella stigmatea


Lepraria incana


Lepraria vouauxii


Melanelixia subaurifera

This foliose lichen can often reach up to 15cm across. In Foxglove Covert it is mainly found on smooth – barked trees.


Micarea botryoides


Micarea denigrata


Micarea prasina


Powdery Saucer Lichen - Ochrolechia androgyna


Grey Crottle - Parmelia saxatilis

This lichen can grow on stone walls, rocks and trees. In the past this species was used to produce reddish-brown dye. Notice the little projections, known as isidia at the centre of the thallus.


Powdered Crottle - Parmelia sulcata

The lobes of this lichen often have a fine white network on them, known as pseudocyphellae. It is very common on both trees and rocks.


Parmeliopsis ambigua


Pearly Lichen or Sea-storm Lichen - Parmotrema perlatum

This lichen is often pearl grey or pale green and orbicular, with smooth lobes, edged with black hairs, known as cilia.


Dog Lichen - Peltigera canina


Membranous Dog-lichen - Peltigera membranacea


Peltigera polydactylon

Only third record of this species in Yorkshire.


Field Dog Lichen - Peltigera rufescens


Bitter Wart Lichen - Pertusaria amara

This crustose lichen is grey/white. It has a bitter taste reminiscent of aspirin. In the past it was tried as a substitute for quinine.


Mealy Shadow Lichen - Phaeophyscia orbicularis


Phlyctis argena


Hooded Rosette Lichen - Physcia adscendens

This lichen has colonised a conifer cone. Notice that some of the lobe ends on the right of the cone have become hood-shaped and inflated.


Blue-grey Lichen or Grey-warted Lichen - Physcia caesia


Placynthiella icmalea

We found this lichen on top of a fence post, by a bridge in the conifer plantation: a common habitat for this lichen.


Pimple Lichen - Porina aenea


Porpidia macrocarpa


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