lichen-Cladonia robinsii

Cladonia robinsii

Cladonia robinsii photo by Mark Zloba

Cladonia robinsii photo by Mark Zloba

DIAGNOSTIC FEATURES:  Long strap-shaped, erect squamules; yellow-green color;  NIS;  K-, usnic acid present; compare with C. apodocarpa with blue-gray color, K+ persistent yellow and C. polycarpoides with large, rounded squamules, K+ red.  Ordinarily C. robbinsii will be found only as fairly extensive patches of squamules on soil.

ECOLOGY:  An eastern US species that is widespread on open soil or over rocks;  known from only 4 counties in Ohio, but probably scattered in southern and southeastern counties; on soil almost exclusively, rarely over moss or decaying wood. 

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