The classification of upland white aster has been controversial. It has been classified variously as an aster, a goldenrod, and in its own genus. Its current classification places it together with stiff goldenrod and a few other yellow-flowered plants in the genus Oligoneuron.
Upland white aster is endangered in Connecticut. These photographs were taken in Ontario, where the plant is more common.
- Synonyms: Aster ptarmicoides, Solidago ptarmicoides
- Family: aster (Asteraceae)
- Habitat: dry open areas, usually in limy soil
- Height: 1-2 feet
- Flower size: flowerheads 3/4 inch across
- Flower color: white
- Flowering time: June to September
- Origin: native