- Family: aster (Asteraceae)
- Habitat: fields, roadsides, open woods
- Height: 3-7 feet
- Flower size: flowerheads 2 inches across
- Flower color: pink to lavender
- Flowering time: July to October
- Origin: native
A fritillary on field thistle. Thistles in general are quite popular with butterflies. Photographed in Chester County, Pennsylvania in late August.