moss lichen muscus musci aquatic; waterweeds; water and grass; water plants; aquatic plant

adventitious and annual aquatic base bipinnata bracts cav cosmos dark deeply diameter fibrous filiform flower glabrous grass green head herbs high inflorescence involucre lanceolate leathery leaves lichen like linear lobed lobes meters moss musci musciaquatic muscus near nearly nickname outer pale perennial pilose pink pinnate plant plants purple qiu root roots shaped single slightly soft spindle stem stems stripes two velvet water waterweeds ying