苔 - moss, lichen

nori; laver; edible seaweed, usu. Porphyra yezoensis or P. tenera, usu. dried and pressed into sheets

moss

to become covered in moss; to become mossy; to grow over with moss

Miquel's mazus (species of small flowering plant, Mazus miquelii)

hornwort

Grateloupia filicina (species of red alga)

first dried nori after the winter

Pyropia kurogii (species of red algae)

Petalonia binghamiae (edible species of brown algae)

wild harvested nori

gutweed (Ulva intestinalis); grass kelp

brick-walled waveform