Farmland, grassland, heathland, lawns, marshes, meadows, roadsides, rocks, sand dunes, seaside, walls, wasteland.
Solitary pale yellow flowers, about 1 inch (2.5cm) across. Flowerheads are composed entirely of ray florets. Flowers have between 150 and 200 ray florets. The flowers of Red-seeded Dandelion are smaller than those of Common Dandelion (Taraxacum officianale).
All leaves are basal. They measure up to 10 inches (25cm) long and 1.5 inches (4cm wide). Deeply pinnate, backward-pointing, triangular but narrow leaf lobes. The lobes are pointed at the tips. Perennial. The Latin name for Red-seeded Dandelion is sometimes known as Taraxacum laevigatum and sometimes as Taraxacum erythrospermum. Erythrospermum is considered to be a variety of laevigatum. The Red-seeded Dandelion leaf lobes are more triangular in shape than those of Common Dandelion. Also worth noting is that the lobes are the tip are approximately the same size as the lobes at the base of the leaf, unlike those of Common Dandelion.