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Threadleaf Groundsel
Sunflower Family : Asteraceae
Latin Name : Senecio douglasii
Longevity : Perennial
Season : Warm
Origin : Native
Value : Wildlife – poor
Livestock -TOXIC
Remarks :
This plant is most toxic to cattle and horses, the
toxic agent is pyrrolizidine alkaloids. Poisoning
is rare under good range condition when other
available forage is present. Threadleaf groundsel
is a many-stemmed evergreen composite. The
stems and leaves are gray-green, growth 1 to 2
feet tall. Flowers March to November. Adapted to
rocky, sandy or gravelly soil of dry upland prairies
and roadsides.
Source: USDA-NRCS
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