Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Prickly Lettuce at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Lactuca serriola
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lactuca serriola
FAMILY
Asteraceae_
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-001:
Lactuca scariola
FAMILY
Asteraceae_
INCLUDING
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Lactuca serriola var. integrata
COMMON NAME:
Prickly Lettuce
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_lase_005_lvd
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JK Marlow jkm060427_001
April Greenville County SC
Parking lot
Midrib usually prominently spiny beneath, per Vascular Flora of the Carolinas.
)
JK Marlow jkm060427_004
April Greenville County SC
Parking lot
Leaves or lobes usually conspicuously spinulose, per Vascular Flora of the Carolinas.
)
Gill Newberry gn06_l_serriola_midribsp
June
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Gill Newberry gn06_l_serriola_sap
June
Leaves sagittate-clasping and oblong or oblanceolate, per Wildflowers of the Southern Mountains.
)
Gill Newberry gn06_l_serriola_spines
June
Mostly smooth-stemmed with copious fine prickles on leaf margins and midrib, per Wildflowers of the Southern Mountains.
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Gill Newberry gn06_lactuca_serriola
June
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JK Marlow jkm0506f_18
June Greenville County SC
Parking lot
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JK Marlow jkm0506f_24
June Greenville County SC
Parking lot
Involucres 10-15mm long, 3-5mm broad. Bracts imbricate, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Wild Lettuce
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JK Marlow jkm0506f_27
June Greenville County SC
Parking lot
Heads are ligulate (having only ray flowers), small, and yellow-flowered, per Wildflowers of the Southern Mountains.
)
JK Marlow jkm060616_008
June Greenville County SC
Parking lot
Nutlets brown, oblanceolate, 5-ribbed on each face; pappus white, per Vascular Flora of the Carolinas.
)
JK Marlow jkm060622_001
June Greenville County SC
Parking lot
)
JK Marlow jkm140623_229
June Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm140623_233
June Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm140623_241
June Greenville County SC
Swamp Rabbit Trail
)
Richard and Teresa Ware rtw_lactuca_serriola_3
July
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Richard and Teresa Ware rtw_lactuca_serriola_5b
August