1. One of the algal cells in the thallus of a lichen.
2. A motile, single cell released by filamentous bacteria of the family Leucotrichaceae.
3. A non-motile spore released by some cyanobacteria.
4. In some green algae (Chlorophyta), a vegetative cell that enlarges and undergoes division. In Volvox it may be suspended in the hollow interior of the sphere.
"gonidium." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 22, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/gonidium
"gonidium." A Dictionary of Plant Sciences. . Retrieved August 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/gonidium