Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Bidens cernua
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Bidens cernua
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (1968) 179-70-002:
Bidens cernua
FAMILY
Asteraceae
COMMON NAME:
Nodding Bur-marigold
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_bice_001_lvd
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_bice_008_lvd
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JK Marlow jkm120920_003
September Washington County VA
Virginia Creeper Trail
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JK Marlow jkm120920_009
September Washington County VA
Virginia Creeper Trail
6-8 ray flowers to 0.6" long, or none. Disk yellow, hemispheric, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
JK Marlow jkm120920_011
September Washington County VA
Virginia Creeper Trail
)
JK Marlow jkm120920_014
September Washington County VA
Virginia Creeper Trail
Leaves sessile and sometimes connate at the base, usually toothed, per Wildflowers of the Southern Mountains.
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JK Marlow jkm120920_020
September Washington County VA
Virginia Creeper Trail
)
JK Marlow jkm120920_022
September Washington County VA
Virginia Creeper Trail
Lvs sessile, lance-linear to lance-ovate, coarsely serrate to almost entire, per Wildflowers of Tennessee.
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JK Marlow jkm120920_025
September Washington County VA
Virginia Creeper Trail
Outer involucral bracts leafy, typically surpassing the disk, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
COMPARE
involucral bracts of Bidens and Coreopsis