"Hook. and Arn." . . "Geraniales" . . "Geraniaceae" . . . . . "Plantae" . . "Magnoliopsida" . "Magnoliophyta" . . . "Erodium" . . . . "Roundleaf Stork's Bill" . . "Erodium macrophyllum" . . . "Erodium macrophyllum Hook. and Arn." .