Cetraria of North America

Taxonomy and checklist from Esslinger, June 2010
Photo: Cetraria ericetorum, Jason Hollinger (jason), Mushroom Observer

Cetraria Ach.
Cetraria aculeata (Schreber) Fr.
Cetraria arenaria Kärnefelt


Photo: Cetraria ericetorum, Jason Hollinger (jason), Mushroom Observer




Photo: Cetraria ericetorum, Jason Hollinger (jason), Mushroom Observer




Photo: Cetraria ericetorum, Chris Parrish (kitparrish), Mushroom Observer




Photo: Cetraria ericetorum, Chris Parrish (kitparrish), Mushroom Observer


Cetraria ericetorum Opiz subsp. ericetorum
Cetraria ericetorum subsp. reticulata (Räsänen) Kärnefelt


Photo: Cetraria islandica, amadej trnkoczy (amadej), Mushroom Observer




Photo: Cetraria islandica, Chris Parrish (kitparrish), Mushroom Observer




Photo: Cetraria islandica, amadej trnkoczy (amadej), Mushroom Observer




Photo: Cetraria islandica, amadej trnkoczy (amadej), Mushroom Observer




Photo: Cetraria islandica, amadej trnkoczy (amadej), Mushroom Observer


Cetraria islandica (L.) Ach. subsp. islandica
Cetraria islandica subsp. crispiformis (Räsänen) Kärnefelt
Cetraria islandica subsp. orientalis (Asahina) Kärnefelt
Cetraria kamczatica Savicz
Cetraria laevigata Rass.


Photo: Cetraria muricata, Chris Parrish (kitparrish), Mushroom Observer


Cetraria muricata (Ach.) Eckfeldt
Cetraria nigricans Nyl.
Cetraria odontella (Ach.) Ach.


Macrolichens of North America
cparrish@sewanee.edu