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1 0 Inflated Beard Lichen

Inflated Beard Lichen

by Brian38Federal Way, Washington, USA

Thallus is erect, shrubby and tufted. ...

1 0 Spotting

Spotting

by MachiNew Hampshire, USA

Green thallus with white/pinkish ascocarps. ...

6 0 Elegant Sunburst Lichen

Elegant Sunburst Lichen

by arlandaComunidad de Madrid, Spain

Small crustose lichen (ca. 2-3 cm wide) although the

2 0 Script lichen

Script lichen

by Zlatan CelebicAuvergne-Rhône-Alpes, Tromelin Island

Thallus

2 0 Bloodspot Lichen

Bloodspot Lichen

by MachiKodiak, Alaska, USA

This one had me stumped for a while. I saw it many times with

0 2 dust lichen

dust lichen

by AlexKonigHeerlen, Limburg, Netherlands

Thallus a diffuse, thin, powdery crust, ...

4 1 Hypotrachyna Lichen

Hypotrachyna Lichen

by PucaKWinder, Georgia, USA

Very striking, ‘clean’ lichen with thallus ...

1 0 Giant duckweed

Giant duckweed

by Brian38Federal Way, Washington, USA

, especially in nutrient enriched waters. Leaf: There are

1 0 White Lepra Lichen

White Lepra Lichen

by MachiKodiak, Alaska, USA

lichen is white with small warts (verrucae) that are the same color as the ...

1 0 Common Powderhorn Lichen

Common Powderhorn Lichen

by Zlatan CelebicLamoura, Bourgogne-Franche-Comté, France

Thallus is squamulose, green to grey green, ...

6 5 common pellia

common pellia

by AlexKonigHeerlen, Limburg, Netherlands

underside of the thallus but

1 0 Whiskered Shadow Lichen

Whiskered Shadow Lichen

by Brian38Arkansas, USA

to 6 mm broad and can form irregular

5 0 Pixie-Cup Lichen; Líquen de embudo

Pixie-Cup Lichen; Líquen de embudo

by arlandaCastilla y León, Spain

Cladonia pyxidata is one of the most characteristic lichens. It presents of two ...

1 2 Bullseye Lichen

Bullseye Lichen

by MachiKodiak, Alaska, USA

center of a circular thallus. One clump on ...

1 1 Parmelina tiliacea

Parmelina tiliacea

by arlandaMadrid, Madrid, Spain

Parmelina tiliacea is characterized by its rather large, smooth, broad lobed ...

0 0 Cladonia coniocraea

Cladonia coniocraea

by arlandaCercedilla, Madrid, Spain

Lichen with squamulose primary thallus and ...

0 0 Cladonia coniocraea

Cladonia coniocraea

by arlandaCastilla y León, Spain

Lichen with squamulose primary thallus and ...

2 2 Hole-punch lichen

Hole-punch lichen

by mauna KunzahWashington, USA

This foliose lichen's thallus is green ...

2 1 common orange lichen, yellow scale, maritime sunburst lichen and shore lichen

common orange lichen, yellow scale, maritime sunburst lichen and shore lichen

by AlexKonigHorst aan de Maas, Limburg, Netherlands

The vegetative body of the lichen, the

0 1 Common orange lichen / Žuti lišaj

Common orange lichen / Žuti lišaj

by GvozdenBuzdovanОпштина Стари град, Централна Србија, Serbia

The vegetative body of the lichen, the

11 3 maritime sunburst lichen

maritime sunburst lichen

by AlexKonigLimburg, Netherlands

together as more or less rounded rosette of

0 0 Melanelixia glabra

Melanelixia glabra

by arlandaMadrid, Madrid, Spain

Foliose lichen. The thallus is adnate to ...

2 2 Maritime Sunburst Lichen with Oakmoss

Maritime Sunburst Lichen with Oakmoss

by EdwardNathanReulbachJr.Silverdale, Washington, USA

jaundice because of its yellow color. The vegetative body of the lichen, the ...

1 0 Christmas wreath lichen

Christmas wreath lichen

by HeatherMillerFlorida, USA

recognized by the bright red pigment in the

1 7 orange wall lichen

orange wall lichen

by AlexKonigHeerlen, Limburg, Netherlands

usually present, margins concolorous with

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