イラクサ属
イラクサ属の種には、次のようなものがある。
ホソバイラクサUrtica angustifolia Fisch. ex Hornem. 1819, China, Japan, Korea
Urtica ardens China
Urtica atrichocaulis Himalaya, southwestern China
Urtica atrovirens western Mediterranean region
Urtica cannabina L. 1753, Western Asia from Siberia to Iran
Urtica chamaedryoides (heartleaf nettle), southeastern North America
セイヨウイラクサUrtica dioica L. 1753 (stinging nettle or bull nettle), Europe, Asia, North America
Urtica dubia (large-leaved nettle), Canada
Urtica ferox (ongaonga or tree nettle), New Zealand
Urtica fissa China
Urtica galeopsifolia Wierzb.