Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Yellow Flag from the Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
WEAKLEY'S FLORA (11/30/12):
Iris pseudacorus
FAMILY
Iridaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Iris pseudacorus
FAMILY
Iridaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 046-05-005:
Iris pseudacorus
FAMILY
Iridaceae
COMMON NAME:
Yellow Flag, Water Flag, Yellow Iris
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_irps_001_lvd
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_irps_008_lvd
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Rob Hunnings rlh_10411C
May Greenville County SC
Lake Conestee Nature Park
The only completely yellow, large, wild iris in North america, per Invasive Plants, Guide to Identification, Impacts and Control.
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Rob Hunnings rlh_10415
May Greenville County SC
Lake Conestee Nature Park
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Rob Hunnings rlh_10417
May Greenville County SC
Lake Conestee Nature Park
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Rob Hunnings rlh_10532C
May Greenville County SC
Lake Conestee Nature Park
Once established, can form dense clumps that exclude other wetland species, per Invasive Plants, Guide to Identification, Impacts and Control.
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Rob Hunnings rlh_10537
May Greenville County SC
Lake Conestee Nature Park
The 3 drooping, deep yellow sepals are marked with purple-brown, per Invasive Plants, Guide to Identification, Impacts and Control.
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Rob Hunnings rlh_10544
May Greenville County SC
Lake Conestee Nature Park
The 3 narrow petal-like sections are flattened branches of the style, per The Monthly Illustrator, Vol 4 (Jones, 1895).
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Rob Hunnings rlh_10547
May Greenville County SC
Lake Conestee Nature Park
Sword-like flattened leaves (3/4" wide to 3' long) arise in a fan from base, per Invasive Plants, Guide to Identification, Impacts and Control.
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Patrick D. McMillan pdmipseudacorus_lvl
June Avery County NC
3 short erect petals, and 3 sepals with broad rounded down-curved tips, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.