Photo from Wikimedia Commons

This Eurasian watermilfoil is considered an invasive aquatic species in New York State. Its stems are usually three to 10 feet in length and can range from pale pink to reddish brown in color. Bright green feathery leaves are finely divided and occur in circles around the stem. Each leaf has 12 to 21 leaflet pairs. Native northern watermilfoil, which it can commonly be confused with, has five to 10 leaflet pairs.

Free webinar on aquatic invasive species

ONLINE/NY — The New York Sea Grant Watercraft Inspection educational webinar series starts January 17. The program features coastal science and aquatic invasive species (AIS) experts and will address issues associated with recreational boating and limiting the spread of  invasive species in New York’s ponds, rivers and lakes.

Participants can join any or all of the one-hour, free-access webinars available from 10 to 11 a.m. each Thursday beginning January 17. Topics include “Applying behavioral psychology to stop AIS” and “Assessing the risk of future AIS establishment in a changing world.” Register at https://goo.gl/QzjodX. For more information  contact New York Sea Grant at 315/331 8415, www.nyseagrant.org/watercraftinspection.

 

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