Parrot Feather

Parrot Feather

(Myriophyllum aquaticum)
*Detected in Michigan*
WATCH LIST - PROHIBITED IN MICHIGAN

Report this species to:

DEQ Aquatic Invasive Species Program DEQ-WRD-ANC@michigan.gov 517-284-5593

If possible, please take one or more photos of the invasive species you are reporting. Also make note of the location, date and time of the observation. This will aid in verification of your report. You may be asked to provide your name and contact information if follow-up is needed.

- Or -  Use the Midwest Invasive Species Information Network (MISIN) online reporting tool 

- Or - download the MISIN smartphone app and report from your phone - http://www.misin.msu.edu/tools/apps/#home

Identification:

  • Spikes of stiff, feathery leaves grow in whorls of 4-6
  • Bright green upper stem emerges up to 1 foot above water
  • Small, inconspicuous white flowers where leaves attach to the section of stem above water
  • Stems and submerged leaves may be tinted reddish
  • All U.S. plants are female, spread via fragmentation

parrot feather
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

parrot feather invasion
Graves Lovell, ADCNR Bugwood.org - Parrot feather invasion

parrot feather upclose
Graves Lovell, ADCNR - Parrot feather upclose

Habitat: Occurs in slow-moving fresh water habitats such as tributaries, canals, ponds, and lakes. It shows preference for high nutrient environments with plenty of light.

Native Range: South America

U.S. Distribution: Parrot feather can be found in at least 26 states, including those along the Eastern, Southern, and Western coasts.

Local Concern: This invasive milfoil plant threatens native aquatic species through competition. It will often form dense mats which provides habitat for mosquito larvae and can impede boats.

MORE INFORMATION:

Parrot Feather Invasive Species Alert - Printable PDF

MDARD Weed Risk Assessment for Parrot Feather (Myriophyllum aquaticum) - This document evaluates the invasive potential of the plant species using information based on establishment, spread and potential to cause harm.