[2] In most species of Rhodochorton, the spore does not persist in the mature plant; instead, a basal web of filaments acts as a holdfast.

[2] The organism may encrust bare rock surfaces, or be epiphytic upon frondose algae - particularly Laminaria hyperborea.

[3] It typically grows in the shadow of these larger algae, in the intertidal zone,[4] and its adaption to low light levels means it is also common in caves.

[8] In the Carposporophyte: a spermatium merges with a trichogyne (a long hair on the female sexual organ), which then divides to form carposporangia - which produce carpospores.

Both of these are very similar; they produce monospores from monosporangia "just below a cross wall in a filament"[8] and their spores are "liberated through apex of sporangial cell.