(n) :
(lichenology) A vegetative reproductive structure present in some lichens; an outgrowth of the thallus surface, usually with a columnar structure, and consisting of both fungal hyphae and algal cells.
(n) :
(lichenology) A vegetative reproductive structure present in some lichens; an outgrowth of the thallus surface, usually with a columnar structure, and consisting of both fungal hyphae and algal cells.