Moss vs. Lichen

Mossnoun

Any of various small, green, seedless plants growing on the ground or on the surfaces of trees, stones, etc.; now specifically, a plant of the phylum Bryophyta (formerly division Musci).

Mossnoun

(countable) A kind or species of such plants.

Mossnoun

(informal) Any alga, lichen, bryophyte, or other plant of seemingly simple structure.

Mossnoun

A bog; a fen.

Mossverb

(intransitive) To become covered with moss.

Mossverb

(transitive) To cover (something) with moss.

Mossnoun

A cryptogamous plant of a cellular structure, with distinct stem and simple leaves. The fruit is a small capsule usually opening by an apical lid, and so discharging the spores. There are many species, collectively termed Musci, growing on the earth, on rocks, and trunks of trees, etc., and a few in running water.

Mossnoun

A bog; a morass; a place containing peat; as, the mosses of the Scottish border.

Mossverb

To cover or overgrow with moss.

Mossnoun

tiny leafy-stemmed flowerless plants

Mossnoun

a small flowerless green plant which lacks true roots, growing in low carpets or rounded cushions in damp habitats and reproducing by means of spores released from stalked capsules

Mossnoun

used in names of algae, lichens, and higher plants resembling moss, e.g. reindeer moss, Ceylon moss, Spanish moss.

Mossnoun

a green colour like that of moss.

Mossnoun

a bog, especially a peat bog.

Mossverb

cover with moss

Moss

Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) sensu stricto. However, Bryophyta (sensu lato, Schimp.

Lichennoun

Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow patches on old walls, etc.

Lichennoun

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

Lichennoun

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.

Lichennoun

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.

Lichennoun

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

Lichennoun

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

Lichen

A lichen ( LY-ken or, sometimes in the UK, , LICH-en) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. Lichens have properties different from those of their component organisms.