HABIT: A small, yellow-green, abundantly branched fruticose
lichen. Branches flattened and sorediate, with soredia born from small, white
SIMILAR SPECIES: R. americana does not have soredia.
Other sorediate Ramalinas are found on rock, not bark or old wood.
TOTAL RANGE: Boreal and northeastern U.S.
STATE RANGE: Pre-1945 records from Adams, Clark, Cuyahoga,
Erie, Fairfield, Franklin, Hamilton and Highland counties. One recent (1976)
record from Athens County; however, a search in 1993 failed to find this lichen
in the same area.
STATE STATUS: 1992-1993: Added, 1994-1997:
Endangered, 1998 to present: Presumed Extirpated.
HABITAT: This species grows on bark or weathered wood and
prefers open woods. The Athens County record was on a black willow in a swampy
HAZARDS: Habitat destruction.
RECOVERY POTENTIAL: Probably poor. All of the bark-growing Ramalinas
in Ohio have quite a few old records but few modern ones.
INVENTORY GUIDELINES: Collect whole thallus and store in
paper herbarium packet.
COMMENTS: All of the members of this genus are rare in Ohio.
Hale, M.E. 1979. How to know the lichens. Wm. C. Brown
Company Publishers. Dubuque, Iowa. 246 pp.
Taylor, C.J. 1968. The lichens of Ohio. Part 2. Fruticose
and cladoniform lichens. Ohio Biological Survey Biological Notes No. 4.
Ohio Department of Natural Resources
Division of Natural Areas and Preserves
3/1995 Ray Showman
Database Code: SPQD.L07