COLLEMA FUSCOVIRENS (With.) Laundon

Dusky Jelly Lichen

FAMILY: Collemataceae

SYNONYMS: C. furvum, C. tuniforme

HABIT: A small-medium sized (1-4 cm broad), gelatinous, foliose lichen. Olive-black thallus with isidia.

SIMILAR SPECIES: C. subflaccidum, a similar isidiate species is usually larger and found on bark.

TOTAL RANGE: Northeastern U.S., Rocky Mountains, west coast; listed as widespread and commonly collected.

STATE RANGE: Recently found (1994) in Adams County.

STATE STATUS: 1996-1997: Added, 1998 to present: Endangered.

HABITAT: Exposed limestone. Ohio colleciton is from exposed dolomite and moss over dolomite.

HAZARDS: Habitat destruction, shading due to canopy closure.

RECOVERY POTENTIAL: Unknown.

INVENTORY GUIDELINES: Collect complete thalli and store in paper herbarium packets.

COMMENTS: Recently found at several locations at Buzzardroost Rock Nature Preserve.

SELECTED REFERENCES:

 

Hale, M.E. 1979. How to know the lichens. Wm. C. Brown Company Publishers. Dubuque, Iowa. 246 pp.

 

Division of Natural Areas and Preserves

Ohio Department of Natural Resources

Created: 3/1995 Ray Showman

Database Code: SPQB.L13