sedimentary life are formed by quills compacting together
clastic_sedimentary_rock is sedimentary_rock. vegetation is quiescence. sandstone is clastic_sedimentary_rock. mat_forming_quillwort is fern. consolidation is gathering_things_together. mat_forming_quillwort is not fern. quill is spine. sowing_seeds is scattering. quills is film. settlings is sediment.