Characteristics:
Western lady's-mantle is a small, low growing annual with freely branched stems from 5-20 cm long. The leaves are short-petiolate with deeply toothed stipules and biternately lobed leaf blades measuring from 4-8 mm long. The lobes of the blades are fan-shaped.
The flowers are found along much of the length of the stems with 5-15 found in each node in the axils of the sheathing stipules opposite the petiole. The calyx measures 1-1.5 mm long.
Western lady's-mantle is a weedy species found in distrubed fields and wooded slopes.
Western lady's-mantle may be found across much of the eastern portion of the United States. In the west, it may be found from southern British Columbia south to California and east to Idaho and Montana.