Hackelia deflexa var. americana
Lappula matsudairae Myosotis deflexa Rochelia deflexa Cynoglossospermum deflexum Eritrichium deflexum Hackelia deflexa var. deflexa Hackelia matsudairai Lappula matsudairai Cynoglossum deflexum Echinospermum deflexum Echinospermum matsudairai Echinospermum pyrenaicum Echinospermum secundum Hackelia matsudairae
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024