Parrot’s feather

Myriophyllum aquaticum

Identification image pending

What

Parrot’s feather is recorded by a competent New Zealand authority as an introduced, invasive or managed threat subject. Source context (Auckland Council; Greater Wellington Regional Council): Bottom-rooted, stoloniferous, sprawling aquatic herb. Finely divided, light bluish-green feather-like leaves occur in whorls of 4–6; stems can be around 2 m long, with up to the upper 10 cm emerging above water. It has tiny white female flowers, without petals, at leaf bases. Common on edges of still or slow-moving water and drains, especially nutrient-rich wet sites.

Why

The source identifies ecological, biosecurity or habitat risks that make this subject relevant to NZ Ex Games intelligence.

Where

Distribution and current presence are place-specific and must be established from current authoritative or verified evidence.

Established knowledge

For consequential field decisions, consider the knowledge state and cited sources for each claim, and consult authoritative guidance where appropriate. Information and reliance terms

50% reference coverage — not scientific certainty or ecological progress

Identification
NZ status
Ecological impact
Sources

Open knowledge

These are parts of the public picture that could become clearer with better evidence.

Distribution
Visual clues
Confusion species
Regional intelligence

Sources & credits

NIWA — Freshwater invasive species of New Zealand 2020authoritative · Canonical identity, New Zealand status and threat context
Auckland Council — Parrot’s feather (what)authoritative · Supports the attributed what context. Source scope and dates apply; this does not establish current local presence, current legal status or media reuse permission.
Greater Wellington Regional Council — Parrot’s feather (what)authoritative · Supports the attributed what context. Source scope and dates apply; this does not establish current local presence, current legal status or media reuse permission.

Prepare related field media

Field observations

Field observations connect sightings and signs with a place, time and source. They can support evidence after review. This dossier does not accept public submissions.

No field observations are published for this Target.

Commentary

Local experience, corrections and context help explain the public record. Commentary is not verified knowledge. This dossier does not accept public comments.

No commentary is published for this Target.

Questions and Missions

What can the sources tell us, and what still needs evidence? Explore dossier discoveries and research questions to understand this Target. Research leads identify knowledge gaps; they are not field assignments.

Explore Missions and Hunt mode for Parrot’s feather

Where is parrot’s feather currently established or emerging in New Zealand?Research question · evidence needed
What evidence distinguishes current ecological impact from presence alone for parrot’s feather?Research question · evidence needed

Shout Out

Share this record so others can explore the same question, place or ecological work. The link keeps its context and sources together.

Parrot’s feather — The Hit List — NZ Ex Games

Canonical link

/hit-list/weed-parrots-feather

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