[Butterweeds, Groundsels and Ragworts: The Genus Packera in the Cascade Mt. Range of Oregon and Washington]

Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel

Packera subnuda var. subnuda

Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus

Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus)

Alpine meadow butterweed as seen in moist meadows along the Timberline Trail to the west of Mount Hood Meadows Ski Area.........October 2, 2010.

Involucral bracts of Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus) - Flower head of Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus)

Close-up photos of the involucral bracts (left) and flower head (right) of alpine meadow butterweed.

Ventral leaf surface of Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus) - Dorsal (basal) leaf surface of Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus)

Close-up photos of the lower leaf surface(left) and upper leaf surface (right) of the basal leaves of alpine meadow butterweed as seen in moist meadows along the Timberline Trail to the west of Mount Hood Meadows Ski Area........October 2, 2010.

Alpine Meadow Butterweed, Alpine Meadow Groundsel, Buek's Groundsel, Cleftleaf Groundsel, Pale Groundsel: Packera subnuda var. subnuda (Synonyms: Packera buekii, Senecio cymbalarioides, Senecio cymbalarioides var. cymbalarioides, Senecio subnudus)

Paul Slichter