Vascular Plants of North Carolina
Account for Whorled Tickseed - Coreopsis verticillata   L.
Members of Asteraceae:
Members of Coreopsis with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
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AuthorL.
DistributionCentral and eastern Piedmont, Sandhills, and western half of the Coastal Plain; nearly absent from the outer Coastal Plain.

MD to KY and AR, south to FL and MS. Records north of these states are escapes from cultivation.
AbundanceFairly common to common in its range in the state; not found in the Mountains, western Piedmont, or lower Coastal Plain.
HabitatDry to mesic soils of open pine-oak-hickory woodlands, rocky wooded slopes, wooded borders, and Longleaf Pine-Wiregrass sandhills and flats.
PhenologyFlowering and fruiting May-July.
IdentificationWhorled Tickseed is easy to identify, due to its leaves finely dissected into threadlike segments. Stems usually grow 1-2 feet tall, with relatively small heads of yellow, untoothed rays and brownish disks.
Taxonomic CommentsNone

For excellent drawings of all species (except those recently described) and range maps (although now out-of-date), see the monograph by Smith (1976).
Other Common Name(s)Threadleaf Tickseed, Threadleaf Coreopsis
State RankS4 [S5]
Global RankG5
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