Classification
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All Names

  • Scientific Names
    • Vernonia gigantea
  • English
    • tall ironweed

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Recent observations

Photos / Sounds

What

tall ironweed Vernonia gigantea

Observer

lg_price

Date

October 7, 2013 09:21 AM CDT

Description

This weedy plant stood at least 10 feet tall.

Photos / Sounds

Square

Observer

matthewherron

Date

September 22, 2013 03:50 PM CDT

Photos / Sounds

Observer

willdegravelles

Date

August 25, 2013

Photos / Sounds

No photos or sounds

Observer

magpie

Date

August 17, 2013

Place

Asbury Woods Greenway Trail, Erie PA (Google, OSM)

Photos / Sounds

What

tall ironweed (Vernonia gigantea) Vernonia gigantea

Observer

finatic

Date

August 15, 2013 01:50 PM PDT

Description

Clinton County, Illinois, US

Photos / Sounds

Observer

matthewherron

Date

August 17, 2013 10:51 AM CDT

Photos / Sounds

What

tall ironweed Vernonia gigantea

Observer

vfazio

Date

August 9, 2013

Photos / Sounds

What

tall ironweed Vernonia gigantea

Observer

julbar

Date

August 4, 2013

Description

along a creek. Most were very tall (8-10ft). I chose one of the smaller guys to photo.

Photos / Sounds

Observer

matthewherron

Date

August 1, 2013 09:17 AM CDT

Photos / Sounds

What

tall ironweed Vernonia gigantea

Observer

coachwhipbooks

Date

July 24, 2013

Photos / Sounds

What

tall ironweed Vernonia gigantea

Observer

bouteloua

Date

July 17, 2013

Photos / Sounds

Square

What

tall ironweed Vernonia gigantea

Observer

gdforren

Date

July 13, 2013 12:30 PM EDT
View all observations

Description from Wikipedia

Vernonia gigantea (also known as Giant ironweed, Tall Ironweed or Ironweed) is a species of perennial plant from Asteraceae family that can be found in United States and Canada. The plant is native to the eastern United States, north to New York state and Ontario, and southwest to Texas.

No range data available.