Coreopsis leavenworthii
Coreopsis leavenworthii, the Leavenworth's tickseed, is an annual or short lived perennial plant species in the family Asteraceae. It is often grouped within Coreopsis tinctoria which it resembles. Description 
Coreopsis leavenworthii typically grows  tall with yellow flower heads that sometimes have reddish-brown blotches at the base of the ray florets. The foliage is 1 or 1.5 pinnately to bipinnately compound with entire edges, and elliptic to oblanceolate to linear. It blooms year round, mostly in the months of May, June and July. Distribution and habitat 
It is found in the states of Florida and Alabama, and grows in moist, sandy soils, flatwoods or ditches at elevations of 0 to 20 meters from sea level. References

External links
Atlas of Florida Vascular Plants

leavenworthii
Flora of the Southeastern United States
Plants described in 1842
Flora without expected TNC conservation status