Ranger Buttons, Ranger's Buttons, Swamp Woolly-heads, Woollyhead Parsnip, Woolly-head Parsnip: Sphenosciadium capitellatum - Leaves bipinnately compound, divided into distinct toothed leaflets 4-10 cm long and more than 1 cm wide. Plants 50-100 cm high. Inflorescence and fruits hairy. The pedicels are essentially lacking, creating head-like or spherical umbellets (See photo above.). Plants of springs and seeps at higher elevations in the mountains.