[Cudweeds: The Genera Gamochaeta, Gnaphalium and Pseudognaphalium in the Columbia River Gorge of Oregon and Washington]

Northwestern Rabbit-tobacco, Slender Cudweed, Wright's Cudweed

Pseudognaphalium microcephalum

Synonyms: Gnaphalium canescens, Gnaphalium canescens ssp. thermale, Gnaphalium microcephalum, Gnaphalium microcephalum ssp thermale, Gnaphalium microcephalum var. thermale, Gnaphalium thermale, Pseudognaphalium canescens ssp. microcephalum, Pseudognaphalium canescens ssp. thermale

Northwestern Rabbit-tobacco, Slender Cudweed, Wright's Cudweed: Pseudognaphalium thermale (Synonyms: Gnaphalium canescens, Gnaphalium canescens ssp. thermale, Gnaphalium microcephalum, Gnaphalium microcephalum ssp thermale, Gnaphalium microcephalum var. thermale, Gnaphalium thermale, Pseudognaphalium canescens ssp. microcephalum, Pseudognaphalium canescens ssp. thermale)

The photo above shows a close-up of the flower heads of slender cudweed as seen along Washington Highway 14 at Horsethief Butte in the eastern Columbia River Gorge.........October 7, 2006.

Northwestern Rabbit-tobacco, Slender Cudweed, Wright's Cudweed: Pseudognaphalium thermale (Synonyms: Gnaphalium canescens, Gnaphalium canescens ssp. thermale, Gnaphalium microcephalum, Gnaphalium microcephalum ssp thermale, Gnaphalium microcephalum var. thermale, Gnaphalium thermale, Pseudognaphalium canescens ssp. microcephalum, Pseudognaphalium canescens ssp. thermale)

The photo above shows a close-up of the inflorescence of slender cudweed as seen along Washington Highway 14 at Horsethief Butte in the eastern Columbia River Gorge........October 7, 2006. The inflorescence of this species is much more open than that of the similar cotton-batting plant (Gnaphalium chilense).

Northwestern Rabbit-tobacco, Slender Cudweed, Wright's Cudweed: Pseudognaphalium thermale (Synonyms: Gnaphalium canescens, Gnaphalium canescens ssp. thermale, Gnaphalium microcephalum, Gnaphalium microcephalum ssp thermale, Gnaphalium microcephalum var. thermale, Gnaphalium thermale, Pseudognaphalium canescens ssp. microcephalum, Pseudognaphalium canescens ssp. thermale)

The photo above shows a close-up of stem leaf of slender cudweed as seen along Washington Highway 14 at Horsethief Butte in the eastern Columbia River Gorge........October 7, 2006. Note the dense covering of apressed hairs on stem and leaves.

Northwestern Rabbit-tobacco, Slender Cudweed, Wright's Cudweed: Pseudognaphalium thermale (Synonyms: Gnaphalium canescens, Gnaphalium canescens ssp. thermale, Gnaphalium microcephalum, Gnaphalium microcephalum ssp thermale, Gnaphalium microcephalum var. thermale, Gnaphalium thermale, Pseudognaphalium canescens ssp. microcephalum, Pseudognaphalium canescens ssp. thermale)

The photo above shows a close-up of the basal leaves of slender cudweed as seen along forest road #23 at the Mt. Adams viewpoint about one-half mile south of road #8810........August 6, 2005.

Paul Slichter