nodding bur marigold

(Bidens cernua)

Conservation Status
nodding bur marigold
 
  IUCN Red List

not listed

     
  NatureServe

N5? - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
Wetland Indicator Status
     
  Great Plains

OBL - Obligate wetland

     
  Midwest

OBL - Obligate wetland

     
  Northcentral & Northeast

OBL - Obligate wetland

     
           
 
Description
 
 

The leaves are simple, toothed, stalkless, joined at the base.

There are 7–10 leafy bracts below each flower head. The flower heads usually have 8 short ray florets but these ray florets may be missing. They are erect at first but nod when they age.

 
     
 

Height

 
 

4 to 40

 
     
 

Flower Color

 
 

Yellow ray florets, yellow disk florets

 
     
 

Similar Species

 
 

 

 
     
 
Habitat
 
 

Wet. Meadows, marshes, swamps, bogs, river banks, roadside ditches. Full to partial sun.

 
     
 
Ecology
 
 

Flowering

 
 

August to October

 
     
 

Pests and Diseases

 
 

 

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 24, 28, 29, 30.

 
  5/18/2023      
         
 

Nativity

 
 

Native

 
         
 

Occurrence

 
 

Common

 
         
 
Taxonomy
 
  Kingdom Plantae (green algae and land plants)  
  Subkingdom Viridiplantae (green plants)  
  Infrakingdom Streptophyta (land plants and green algae)  
  Superdivision Embryophyta (land plants)  
  Division Tracheophyta (vascular plants)  
  Subdivision Spermatophytina (seed plants)  
  Class Magnoliopsida (flowering plants)  
  Superorder Asteranae  
 

Order

Asterales (sunflowers, bellflowers, fanflowers, and allies)  
 

Family

Asteraceae (sunflowers, daisies, asters, and allies)  
  Subfamily Asteroideae  
  Supertribe Helianthodae  
  Tribe Coreopsideae (coreopsis and allies)  
  Genus Bidens (beggarticks)  
       
 

Subordinate Taxa

 
 

 

 
       
 

Synonyms

 
 

Bidens cernua var. dentata

Bidens cernua var. elliptica

Bidens cernua var. integra

Bidens cernua var. minima

Bidens cernua var. oligodonta

Bidens cernua var. radiata

Bidens filamentosa

Bidens glaucescens

Bidens gracilenta

Bidens minima

Bidens prionophylla

 
       
 

Common Names

 
 

bur marigold

nodding beggartick

nodding beggarticks

nodding bur marigold

nodding burmarigold

nodding burr-marigold

sticktight

 

 

 

 

 

 

 

 

 

 

 
 
Visitor Photos
 
           
 

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Kirk Nelson

 
    nodding bur marigold   nodding bur marigold  
 

Luciearl

 
    nodding bur marigold      
           
 
MinnesotaSeasons.com Photos
 
 

Plant

 
    nodding bur marigold   nodding bur marigold  
           
    nodding bur marigold   nodding bur marigold  
           
 

Inflorescence

 
    nodding bur marigold   nodding bur marigold  
           
    nodding bur marigold      
           
 

Flower Head

 
    nodding bur marigold   nodding bur marigold  
           
 

Infructescence

 
    nodding bur marigold      

 

Camera

     
 
Slideshows
 
  Bidens cernua (Nodding Beggar-ticks)
Allen Chartier
 
  Bidens cernua (Nodding Beggar-ticks)  

 

slideshow

       
 
Visitor Videos
 
       
 

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Other Videos
 
  Bidens Stuck On You at Ion Exchange
Ionxchange
 
   
 
About

Uploaded on Oct 29, 2011

Earthyman harvests Bidens - Bidens cernua in Ion Exchange wetland near Lansing Iowa http://www.ionxchange.com

   

 

Camcorder

 
 
Visitor Sightings
 
           
 

Report a sighting of this plant.

 
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  Kirk Nelson
9/28/2019

Location: Minnesota Valley National Wildlife Refuge, Long Meadow Lake Unit

nodding bur marigold  
  Luciearl
9/8/2018

Location: Cass County

nodding bur marigold  
           
 
MinnesotaSeasons.com Sightings
 
   

 

 

Binoculars


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