Prickly Sow-Thistle

Common Name(s): Prickly Sow-Thistle Scientific Name: Sonchus asper Family: Asteraceae Sunflower Family Flower: 1" yellow ray flowers in bunches at top of stems Leaves: Deeply lobed, especially the larger leaves, Thorny and clasping. Plant: 1-6 feet.

General Comments:

Seeds have white tufts distinctive of other thistles.

Common Dandelion

Common Name(s): Common Dandelion Scientific Name: Taraxacum officinale Family: Asteraceae Sunflower Family Flower: 1-2" head of yellow ray flowers. Leaves: 2-10" lobed leaves in a basal rosette. Plant: Low growing.

General Comments:

Very common throughout the country as a lawn weed.

Green-Thread*

Common Name(s): Green-Thread* Scientific Name: Thelesperma filifolium Family: Asteraceae Sunflower Family Flower: 1 1/2" composite flowers on skinny leafless stalks. Disks are reddish brown. Rays(usually 8)are yellow and three lobed with the outer two lobes smaller than the inner lobe. Leaves: 1-4" finely divided threadlike leaves. Plant: 8-20"

General Comments:

*PFG1 clearly states that this species has no rays and therefore isn't what is pictures. WOH shows a very similar photo to that above for this species. Possibly Coreopsis tinctoria, Goldenwaves

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SunflowerFamily (Asteraceae)

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