Dotted Jelly Lichen
SYNONYMS: C. ohioense
HABIT: A small, gelatinous, foliose lichen. Color is
olive-black. Lobes are very contorted and wrinkled.
SIMILAR SPECIES: C. fragraus and C. nigrescens
are similiar bark species. Collema is a difficult genus and similar
species should be determined by an expert.
TOTAL RANGE: Eastern U.S., listed as common. (Hale, 1979)
STATE RANGE: Generally, the southwestern part of the state.
Pre-1945 records from Champaign, Clark, Fairfield, Franklin and Highland
counties. One 1967 record from Hamilton County and there is an extant
population (1994) in Adams County.
STATE STATUS: 1992-1993: Added, 1994-1995: Presumed
Extirpated, 1996 to present: Endangered.
HABITAT: On bark exclusively, trees in open woods.
RECOVERY POTENTIAL: Unknown.
INVENTORY GUIDELINES: Collect specimens on bark. Store in
paper herbarium packet.
COMMENTS: This small species is easily overlooked. Probably
present at other locations in Ohio.
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: SPQB.L03