A lichen is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungus species, along with bacteria embedded in the cortex, or "skin", in a mutualistic relations
A tree covered with leafy foliose lichens and shrubby fruticose lichens
Letharia vulpina, wolf lichen, grows like a multiple-branched tuft or leafless mini-shrub, so it has a fruticose growth form.
Flavoparmelia caperata has leaf-like structures, so it is foliose.
Caloplaca marina grows like an orange crust coating the rock, so it is crustose.
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta sensu stricto. Bryophyta may also refer to the parent group, bryophytes, which comprises liverworts, mosses, and ho
Chloroplasts (green discs) and accumulated starch granules in cells of Rosulabryum capillare
Moss leaf under microscope, showing gemmae and a hair point (40×)
A patch of moss showing both gametophytes (the low, leaf-like forms) and sporophytes (the tall, stalk-like forms)