Podetium

[pәu'di:ʃjәm]

(noun.) an organ or body resembling a stalk; especially the outgrowth of the thallus of certain lichens on which the ascocarp is borne.

Typed by Lisa--From WordNet

(n.) A stalk which bears the fructification in some lichens, as in the so-called reindeer moss.

Edited by Clare