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Bidens aristosa (Michx. ) Britton
WESTERN TICKSEED
Bearded beggarticks; Tickseed sunflower; Bidens polylepis

Life   Plantae   Dicotyledoneae   Asteraceae   Bidens

Bidens aristosa, Midwestern Tickseed Sunflower
© Copyright Sheryl Pollock 2011 · 6
Bidens aristosa, Midwestern Tickseed Sunflower

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Bidens aristosa, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, whole plant - in flower - general view
Bidens aristosa, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, inflorescence - whole - unspecified

Bidens aristosa, inflorescence - ventral view of flower + perianth
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, inflorescence - ventral view of flower + perianth
Bidens aristosa, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, inflorescence - whole - unspecified

Bidens aristosa, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, leaf - basal or on lower stem
Bidens aristosa, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, leaf - on upper stem

Bidens aristosa, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, stem - showing leaf bases
Bidens aristosa, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Bidens aristosa, inflorescence - whole - unspecified

Bidens aristosa, leaf and flower
© Kay Yatskievych, 2003 · 1
Bidens aristosa, leaf and flower

Associates · map
FamilyScientific name @ source (records)
Megachilidae  Megachile petulans @ BBSL (1)
Miridae  Lygus lineolaris @ MEMU_ENT (4)
Peronosporaceae  Plasmopara halstedii @ BPI (1)

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Following modified from Delaware Wildflowers
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http://delawarewildflowers.org/plant.php?id=0234 ---> https://delawarewildflowers.org/plant.php?id=0234

Delaware Wildflowers

Plant ID 0234 not found

Following modified from Delaware Wildflowers
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http://delawarewildflowers.org/plant.php?id=0244 ---> https://delawarewildflowers.org/plant.php?id=0244

Delaware Wildflowers  •  Scientific names

Bidens polylepis Blake Tick-seed Sunflower
Asteraceae — Aster family
Invasive native
Bidens polylepis
Lums Pond State Park
September 2001 Bidens polylepis
Lums Pond State Park
November 2003

Guide to Bidens of Delaware

Search Google Delaware USDA

Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

Delaware Wildflowers main page

Following modified from Flora of North America
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