Monday, March 30, 2026

PA iMapInvasives 2026 Invasive Species Scavenger Hunt May 1-31; Webinar Introduction April 30

The
Pennsylvania iMapInvasives Program will host its 7th annual Invasive Species Scavenger Hunt May 1 to 31.

Participants will search for, identify, report findings for five pre-selected invasive species as part of this special statewide event.

The five species are--

-- Golden Oyster Mushroom (Pleurotus citrinopileatus)

-- Multiflora Rose (Rosa multiflora)

-- Ragged Robin (Silene flos-cuculi)

-- Five-leaf Aralia (Eleutherococcus sieboldianus)

-- Princess Tree (Paulownia tomentosa)

All participants who report at least one presence or absence record to iMapInvasives for each of the five species (based on individual participant surveys) will be entered into a drawing to win a prize package of outdoor gear and an invasive species field guide. 

Three lucky people will be randomly chosen as the winners of this year's event!

April 30 Webinar

An instructional webinar will be held April 30 from 10:00 to 11:00 a.m. to highlight the species list and explain the steps for participants to report observation data to iMapInvasives. 

Resources will be provided that explain how to identify each of the five invasive species as well as the habitats they reside in.

Click Here to register for the webinar.

Questions should be directed to: Amy Jewitt at ajewitt@paconserve.org  or Corinne Garda at: cgarda@paconserve.org at the Western Pennsylvania Conservancy.

Visit the Pennsylvania iMapInvasives Program website to learn more about invasive species in Pennsylvania.


(Photo: Ragged Robin (Silene flos-cuculi)

[Posted: March 30, 2026]  PA Environment Digest

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