Family: Geraniaceae (Geranium family).
Native to the Mediterranean region and Europe (for the introduced species).
Occurrence: Widespread and very common in pastures and roadsides. The non-native species are environmental weeds. The native Blue Heron's-bill is fairly common in northern grasslands and grassy woodlands.
Identification: Heronís-bills differ from other members of the geranium family in that the flowers are radially symmetrical, and the flowers are in groups of more than two. All have the seeds contained in beaks
The three groups in the geranium family are
The three groups are known as stork's-bills, heron's-bills or crane's-bills, from the long pointed seed cases. Pelargoniums are common garden plants, often loosely called geraniums.
There are a several common species of erodium.
Name. Erodium: Greek erodios: a heron.