Lichen vs. Mould: What's the Difference?

A composite organism made up of a fungus, usually an ascomycete, that grows symbiotically with an alga or a cyanobacterium and characteristically forms a crustlike or branching growth on rocks or tree trunks.

Variant of mold1.

(Medicine) Any of various skin diseases characterized by patchy eruptions of small, firm papules.

Variant of mold2.

To cover with lichens.

Variant of mold3.

Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.

Standard spelling of from2=Canadian form

(figurative) Something which gradually spreads across something else, causing damage.

Alternative spelling of mold

One of a class of cellular, flowerless plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular spots or patches, usually of a greenish or yellowish color, upon rocks, trees, and various bodies, to which they adhere with great tenacity. They are often improperly called rock moss or tree moss.

Alternative spelling of mold#Etymology_3

A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion.

Standard spelling of from2=Canadian form

Any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks

Alternative spelling of mold

Any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.

See Mold, Molder, Moldy, etc.

Loose soil rich in organic matter

A fungus that produces a superficial growth on various kinds of damp or decaying organic matter

Sculpture produced by molding

Container into which liquid is poured to create a given shape when it hardens

Form in clay, wax, etc;

Form by pouring (e.g., wax or hot metal) into a cast or mold;

Make something, usually for a specific function;