Of the geranium family (Geraniaceae): left, the herb Robert (Geranium Robertianum); right, Geranium Bicknelli.

Geranium Bicknelli and Herb Robert

Of the geranium family (Geraniaceae): left, the herb Robert (Geranium Robertianum); right, Geranium…

Of the geranium family (Geraniaceae): left, cranesbill (Geranium maculatum); right, Geranium Carolinianum.

Geranium Carolinianum and Cranesbill

Of the geranium family (Geraniaceae): left, cranesbill (Geranium maculatum); right, Geranium Carolinianum.