SYNONYMS: Catapyrenium lachneum, Dermatocarpon lachneum,
D. hepaticum, D. rufescens.
HABIT: Squamules 1-3 mm wide which coalesce into colonies 3-8
cm broad. Squamules dark brown with black dots (perithecia).
SIMILAR SPECIES: Other squamulose soil lichens have
apothecia rather than perithecia.
TOTAL RANGE: The entire U.S. excluding the southeastern
STATE RANGE: Pre-1945 records from Clark and Hocking
counties. Recent (1994) record from Adams County.
1996-1997: Added, 1998 to present: Endangered.
HABITAT: Exposed soil. The Adams County population is on
dolomite soil in prairie opening.
HAZARDS: Habitat destruction, shading due to canopy closure.
RECOVERY POTENTIAL: Unknown.
INVENTORY GUIDELINES: Collect thalli on soil, stabilize soil
with diluted white glue, store in paper herbarium packets.
COMMENTS: This tiny lichen is easily overlooked and may be
present at other prairie areas.
Hale, M.E. 1979. How to know the lichens. Wm. C. Brown
Company Publishers. Dubuque, Iowa. 246 pp.
Taylor, C.J. 1967. The lichens of Ohio. Part 1. Foliose
lichens. Ohio Biological Survey Biological Notes No. 3.
Division of Natural Areas and Preserves
Ohio Department of Natural Resources
Created: 3/1995 Ray Showman
Database Code: SPQF.L15