[Sageworts, Mugworts and Wormwoods: The Genus Artemisia in the Columbia River Gorge of Oregon and Washington]

Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood

Artemisia michauxiana

Inflorescence of Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

The photo above shows the general form of Michaux mugwort as seen on cliffs at the eastern edge of the Devils Garden on the northeastern flanks of Mt. Adams..........July 24, 2005.

Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Michaux mugwort as seen along the North Loop Road about one mile downhill from the Kiger Gorge Overlook, Steens Mountain, Harney County, Oregon..........September 2, 2011.

Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Usually a montane species this Michaux mugwort was observed on a sandy beach on the west bank of the Klickitat River slightly upstream from the old Soda Springs campground in the Klickitat State Wildlife Recreation Area.........July 27, 2011.

Underside of a stem leaf of Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana) - Stem leaf of Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Closeups of the ventral (left) and dorsal (right) surfaces of the leaves of Michaux mugwort as seen on cliffs at the eastern edge of the Devils Garden on the northeastern flanks of Mt. Adams.........July 24, 2005. Note the rolled leaf margins and the tomentose leaf surface.

Flower heads and upper stem leaves of Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana) - Flower head of Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Closeups of several flower heads (not quite open) of Michaux mugwort as seen on cliffs at the eastern edge of the Devils Garden on the northeastern flanks of Mt. Adams........July 24, 2005.

Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Another view of the leafy stems and inflorescence of Michaux mugwort.

Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana) - Lemon Sagewort, Michaux Mugwort, Michaux's Mugwort, Michaux's Wormwood: Artemisia michauxiana (Synonym: Artemisia vulgaris ssp. michauxiana)

Michaux mugwort beginning to bloom (left) on a gravel bar along the Klickitat River at a place where the Champion Haul Road was washed out between Wahkiacus and Leidl Park............May 16, 2012. Michaux mugwort as seen on the beach along the Champion Haul Road on the west bank of the Klickitat River about 2 miles north of Wahkiacus, Klickitat County, WA........November 11, 2016. The Klickitat River and other rivers originating in the mountains actively distribute alpine plants along their route. Often these alpine species don't survive long enough to survive or spread.

Paul Slichter