moss, lichen
苔 centers on small, low-growing plants that form green coverings on surfaces: moss and lichen.
苔 combines the plant radical 艹 with 台, which likely contributes the sound. The character refers to moss or lichen, small plants that grow on surfaces.
The plant top 艹 over 台 suggests a green platform of moss covering a surface like a soft carpet.
For タイ, imagine a mossy garden tied together with a neat tie: tie -> タイ, and the moss holds the garden together.
nori; laver; edible seaweed, usu. Porphyra yezoensis or P. tenera, usu. dried and pressed into sheets
moss
lingonberry (Vaccinium vitis-idaea); cowberry
to become covered in moss; to become mossy; to grow over with moss
crumbled grilled nori
Iceland moss (Cetraria islandica); Iceland lichen
Grateloupia elliptica (species of red alga)
dried edible seaweed
Iceland moss (Cetraria islandica); Iceland lichen
Pyropia kurogii (species of red algae)
seasoned nori
tiny bristle fern (Crepidomanes minutum)
bank haircup moss (Polytrichastrum formosum)
wild harvested nori
funori; glue plant; marine alga of the genus Gloiopeltis
Petalonia binghamiae (edible species of brown algae)
Campylaephora hypnaeoides (species of red algae); egonori
lichen planus
visit to a family grave (esp. during the Bon festival)
first dried nori after the winter