[Members of the Sunflower Family with Daisy-like Heads in Mt. Adams Country]

Butterweeds and Groundsels in Mt. Adams Country

The Genera Packera and Senecio

White western groundsel: Senecio integerrimus var. ochroleucus

White western groundsel: Senecio integerrimus var. ochroleucus
Alpine Meadow Butterweed, Alpine Meadow Groundsel, Cleftleaf Groundsel, Rocky Mountain Butterweed, Rocky Mountain Groundsel: Packera streptanthifolia (Synonyms: Packera cymbalarioides (nom. illeg.), Senecio cymbalarioides, Packera oodes, Packera streptanthifolia var. rubricaulis, Packera streptanthifolia var. streptanthifolia, Senecio acutidens, Senecio adamsii, Senecio aureus var. borealis, Senecio cymbalarioides (nom. illeg.), Senecio cymbalarioides var. borealis, Senecio cymbalarioides var. cymbalarioides, Senecio cymbalarioides var. suksdorfii, Senecio fulgens, Senecio jonesii, Senecio laetiflorus, Senecio leonardii, Senecio longipetiolatus, Senecio oodes, Senecio pammelii, Senecio platylobus, Senecio rubricaulis, Senecio streptanthifolia var. streptanthifolia, Senecio streptanthifolius, Senecio streptanthifolius var. borealis, Senecio streptanthifolius var. kluanei, Senecio streptanthifolius var. laetiflorus, Senecio streptanthifolius var. oodes, Senecio streptanthifolius var. rubricaulis, Senecio streptanthifolius var. wallowensis, Senecio subcuneatus, Senecio suksdorfii, Senecio wardii) The photo at right shows a close-up of the flowerhead of alpine meadow groundsel.

Harford's Ragwort: Packera bolanderi var. harfordii (Synonym: Senecio bolanderi var. harfordii, Senecio harfordii) -

Falsegold Groundsel, Streambank Butterweed: Packera pseudaurea var. pseudaurea (Synonyms: Senecio pseudaureus ssp. pseudaureus, Senecio pseudaureus var. pseudaureus) -

Alpine Meadow Butterweed, Alpine Meadow Groundsel, Cleftleaf Groundsel, Rocky Mountain Butterweed, Rocky Mountain Groundsel: Packera streptanthifolia (Synonyms: Packera cymbalarioides, Senecio cymbalarioides var. suksdorfii, Senecio leonardii, Senecio streptanthifolius, Senecio streptanthifolius, Senecio streptanthifolius var. wallowensis) -

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

Sweet-marsh Butterweed, Tall Butterweed: Senecio hydrophiloides (Synonyms: Senecio foetidus var. foetidus , Senecio foetidus var. foetidus, Senecio foetidus var. hydrophiloides, Senecio oreganus) -

Alkali Marsh Butterweed, Alkai Marsh Ragwort, Water Groundsel: Senecio hydrophilus (Synonym: Senecio hydrophilus var. pacifica ) -

Lambstongue Groundsel, Tall Western Butterweed, Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi) -

Pale Yellow Ragwort, Western Groundsel, White Western Groundsel: Senecio integerrimus var. ochroleucus (Synonyms: Senecio integerrimus ssp. ochroleucus, Senecio lugens var. ochroleuchus) -

Tansy Ragweed, Tansy Ragwort: Jacobaea vulgaris (Synonym: Senecio jacobaea) -

Arrow-leaf Butterweed, Arrowleaf Groundsel, Arrowleaf Ragwort: Senecio triangularis var. triangularis (Synonyms: Senecio triangularis var. angustifolius) -

Common Butterweed: Senecio vulgaris - Flowers all discoid, ray flowers lacking. Involucral bracts tipped with black spots. Leaves pinnatifid. Small, weedy annual or winter annual.

Paul Slichter E-mail