Roadside spraying for meadow knapweed and wild parsnip on the Wisner State Forest Road, Koochiching State Forest, Minnesota. (Kirby Osvold pictured).
Photographer: Christopher David Benda
Japanese Barberry takes over an oak woodland in the Chicago region.
Photographer: Janet Battista
Volunteers at the Cherokee Marsh Wisconsin State Natural Area, Native Sedge Wetland - Cutting and Treating Bundled Phragmites Stems. Pictured left to right, Jim Hughes and Tim Nelson.
Photographer: Samantha Dinar
Mecinus Janthinus stem weevil on Yellow Toadflax
Photographer: Shantell Frame-Martin
Hoary alyssum flower (Berteroa incana), Priority 2B state listed noxious weed in Montana.
Yellow sweetclover landscape
Photographer: Patricia Gilbert, US Army Corps of Engineers
Invasiveness of Yellow sweetclover on Willow Creek Road in Valley County, Montana.
Photographer: Jeffrey Flory
Curt Oien (wildlife seasonal at Three Rivers Park District) is standing in front of a newly detected infestation of the invasive vine, Oriental bittersweet (Celastrus orbiculatus) at Elm Creek Park Reserve. The strangling vines encased the surrounding area hiding underneath their true destruction of girdling and toppling over many mature trees.
Searching for oxeye daisy
Photographer: Park County Weed & Pest Control District, Powell, WY
Unidentified PCWP employees searching for Oxeye daisy
Smith River Monitoring
Photographer: Josh Wagnor (Submitted by Sherry Meador)
Carol Randall and Sherry Meador wading through Smith River to monitor a site to be sprayed on Ken McKamey’s ranch. Ken and Josh Wagner (FWP) didn’t want to get their boots wet.
Photographer: Michele Jasik
The blooming of Amur honeysuckle (Lonicera maackii) after a spring rain.
Photographer: Michelle Labagnara
Neighbor's Japanese Knotweed
Photographer: Daniel Lopez
Red clover: harmless or dangerous?
Photographer: Jane Mangold
Pollinator on musk thistle, near Arlee, Montana.
Photographer: Matt Davis
My Prize Elephant Ear
Photographer: Owen McElroy
Photographer: Nancy Ness, Grays Harbor County Noxious Weed Control Board. Elma, WA.
Photographer: Todd Pfeiffer. Klamath County, Oregon
Photographer: Kathy Scutt
Medusahead Close Up .... It's easy to see after the native grasses go dormant in June.
Photographer: Paul Skawinski, Wisconsin Citizen Lake Monitoring Network. Stevens Point, WI
Eurasian watermilfoil (Myriophyllum spicatum) living and flowering as an emersed plant on a sandbar recently exposed by receding water levels.
Photographer: Angelica Velazquez, Cowlitz County Weed District. Kelso, WA
Photographer: Emily Anderson
Leafy spurge close-up along a roadway in Wausaukee, WI.
Lower Panther Creek
Photographer: Katie Baumann
Diane Schuldt treats spotted knapweed and rush skeletonweed on Lower Panther Creek (Salmon-Challis National Forest).
Mecinus in Jackson
Photographer: Lesley Beckworth
Mecinus janthiniformis hard at work in Jackson Hole.
Yellow flag iris
Photographer: Jenny Beuerman
Yellow Flag Iris found at Pablo Waterfowl Production Area (WPA), MT
Pulling devil weed
Photographer: Derek Ford
The field crew at Oahu Invasive Species Committee pause to take a quick photo while pulling devil weed (Chromolaena odorata) in a remote windward valley. Pictured left to right, Kepano Carvalho and Zoe Eisenpress.
Red clover in autumn
Photographer: Lea Cutsforth
Red Clover in autumn ash leaves.
Photographer: Stacy Davis
Cynoglossum officinale in flower
Spotted knapweed sun beam
Photographer: Pete Duncan
Spotted Knapweed west of Helena, Montana in Colorado Gulch.
Leafy spurge beetle release site
Photographer: George C Fox, USFS, Dakota Prairie Grasslands
These photos were taken around Ash Coulee. Range Dept. Natural Resource Specialists [name omitted] were doing Spurge Beetle bug drops around the Ash Coulee area which is known to have a large infestation of leafy spurge. Approximately 75,000 beetles were dropped that day in 25 different drops that day.
Leafy spurge and old truck
Photographer: Jim Ghekiere, Liberty County, MT
Leafy spurge near West Butte, Sweet Grass Hills, Toole County, MT
Photographer: Mark Heath, Shelterbelt Builders Inc
Rolland Mathers treating invasive jubata grass (Cortaderia jubata) on the San Mateo County Coastline – California.
Noxious Weed Selfie
Photographer: Carol Dobbas, Ranch Lands Project Manager, Sierra Valley Resource Conservation District (SVRCD)
Caption: Noxious Weed Selfie; roadside thistle spotted while traveling from Northern California through Idaho to Washington. As a weed program manager in California, I was awed by the size and stamina of these thistle plants along the roadside. It re-iterated the expansion capability of noxious weed infestations when left un-treated.
Keeping Grover Hot Springs Native
Photographer: LeeAnne Mila, El Dorado/Alpine County Department of Agriculture
Keeping Grover Hot Springs, a California State Park, native. Agricultural Biologist Technicians work to thwart Canada thistle upstarts in Alpine County.
Autumn olive basal bark treatment
Submitted by: Lee Krueger
Mary and Lee Krueger doing basal bark treatment on autumn olive in West Bend, Wisconsin.
Red morph of Scotch broom
Photographer: Christine Buhl
Red morph of Scotch broom in forestlands in Clatsop Co. Oregon