[Tarweeds: The Genera Hemizonella and Madia in the Columbia River Gorge of Oregon and Washington]

Close-up of the flower head of lemon-scented tarweed as seen in the Labyrinth, central Columbia River Gorge..........May 5, 2010.

Additional photos of lemon-scented tarweed as seen in weedy grasslands in the Labyrinth, central Columbia River Gorge...........May 5, 2010. Slender tarweed (Madia gracilis) is similar in appearance but can be identified by the numerous gland-tipped hairs on the upper stem and involucral bracts and the fewer long hairs at those two locations.

Lemon-scented tarweed observed along the Weldon Wagon Road Trail in Klickitat County, WA......April 28, 2024.

Close-up images of the inflorescence of lemon-scented tarweed as seen on steep slopes under oaks above the Klickitat River to the north of Klickitat, WA.....April 29, 2022.