cryptogam

thumb|Polystichum setiferum, a fern thumb|Grimmia pulvinata, a moss thumb|Pelvetia canaliculata, a brown alga thumb|Hypholoma fasciculare, a fungus

A cryptogam (scientific name Cryptogamae) is a plant, in the broad sense of the word, or a plant-like organism that shares similar characteristics, such as being multicellular, photosynthetic, and primarily immobile, that reproduces via spores rather than through flowers or seeds.