우단동자꽃

Lychnis coronaria (L.) Desr.

우묵사스레피

Eurya emarginata (Thunb.) Makino

우산나물

Syneilesis palmata (Thunb.) Maxim.

우산방동사니

Cyperus tenuispica Steud.

우산잔디

Cynodon dactylon (L.) Pers.

우엉

Arctium lappa L.

울릉국화

Dendranthema zawadskii (Herbich) Tzvelev var. lucida (Nakai) Pak

울릉미역취

Solidago virgaurea L. subsp. gigantea (Nakai) Kitam.

울릉바늘꽃

Epilobium ulleungensis J.M.Chung

울릉산마늘

Allium ulleungense H.J.Choi & N.Friesen