EDRR

TSWCD-Rule-Mark-ctr

Early Detection & Rapid Response

Spurge laurel flowers

Spurge Laurel (Daphne laureola)

Also known as: Daphne, Daphne spurge, Daphne-laurel, laurel-leaved daphne, olive-spurge, and wood laurel A hardy evergreen shrub, spurge laurel threatens some of the Willamette Valley’s […]

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Oblong spurge flowers.

Oblong Spurge (Euphorbia oblongata)

Also known as: Eggleaf spurge, Balkan spurge Oblong spurge is commonly planted in gardens as an ornamental species – with brilliantly bright yellow flowers, it’s […]

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Purple Loosestrife flowers.

Purple Loosestrife (Lythrum salicaria)

Also known as: Purple lythrum, spiked loosestrife Purple loosestrife’s showy, upright clusters of purple flowers give it the nickname – the beautiful killer. It is […]

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Policeman’s Helmet (Impatiens glandulifera)

Also known as: Ornamental jewelhead, Himalayan balsam Have you ever felt you were chasing a ghost? That’s the feeling we get when trying to identify […]

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Parrotfeather leaves.

Parrotfeather (Myriophyllum aquaticum)

Also known as: Parrot feather, parrot’s feather, parrotfeather water milfoil, Brazilian water milfoil, water-feather Parrotfeather’s vibrant leaves make it an appealing addition to any backyard […]

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Knotweed leaves and flowers.

Woody Knotweed (Polygonum species)

Species include: Japanese knotweed (Polygonum cuspidatum or Fallopia japonica) also known as Japanese bamboo, Mexican bamboo, false bamboo, Himalayan fleece vine, crimson beauty sally rhubarb, […]

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