Good news for much of the North American west! Recent snowfall and rains have reduced severe #drought conditions across the region. https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?West#drought #WSWS #invasiveplants #weedscience #agriculture #farming

Many #bird species are harmed by #invasiveplants that alter #habitat, reduce food, and disrupt nesting. That’s why #weedscience and #invasiveplantmanagement matter - protecting native plants, insect #foodwebs, and healthy bird habitat. 🦆 #WSWS #nationalbirdday

🌿 Now Hiring: Senior Ecologist 🌿 The City of Boulder is seeking a Senior Ecologist... 🗓 Apply by: January 30, 2026 💼 Full-time | 💰 $83,616 – $121,118 📍 City of Boulder Careers https://bouldercolorado.wd1.myworkdayjobs.com/en-US/External/details/Ecologist-Senior_JR7868 #WSWS #jobopportunity

Sending warm wishes for a bright + joyful holiday season! 🌟💚❄️ We'll see you in 2026! #WSWS

We wouldn't MOOSE the opportunity to participate in #nationaluglychristmassweaterday!🤣🫎 #WSWS #invasiveplants #weedscience #tumbleweed

Waterhemp continues to gain ground in North Dakota according to the 2025 NDSU weed survey.... https://www.agweek.com/crops/waterhemp-continues-to-gain-ground-in-north-dakota #WSWS #weedscience #invasiveplants

#FlashbackFriday to this article & history about the tumbleweed's invasion in western North America & its impact to agriculture, wildlife, native plants, & more. https://www.nhm.ac.uk/discover/tumbleweeds-fastest-plant-invasion-in-usa-history.html#FlashbackFriday #WSWS #weedscience #invasiveplants

🎁👀 Look at ALL of these amazing gifts that #NAISMA has in their holiday shop this year! The perfect presents for the weed scientists in your life! https://shop.naisma.org/products/sleighin-invasives-holiday-tee#NAISMA #WSWS #invasivespecies

An invasive mullein weed spotted in #Yosemite is a reminder of how quickly #invasiveplants can colonize disturbed sites, outcompeting natives & altering ecosystem function. https://www.thecooldown.com/outdoors/invasive-plant-species-native-garden-yosemite-monte-mullein/#Yosemite#invasiveplants#WSWS #weedscience #EDRR

🎉🆕📰🎉: Invasive plants have a delayed and longer flowering phenology than native plants in an ecoregional flora doi.org/10.1093/aob/...

#UCANR & partners are launching a 10-week webinar series to help farmers transition to certified organic! Weekly Wed sessions cover certification, #soilhealth, pests & marketing—led by advisors, producers & inspectors. #WorldSoilDay @caff-famfarms.bsky.social actionnetwork.org/events/trans...

Snowpack in the West is lacking as shown by the snow water equivalent. Many basins across the West have snow water equivalents below 50% of normal as shown in red. #snow #snowpack #drought #precipitation 🧪 nwcc-apps.sc.egov.usda.gov/imap/#versio...

Weed management is essential for protecting #habitat, #forage, and ecosystem function for many #wildlife species. The work we do protects vital habitats by preserving #native plants, ensuring wildlife have the food, shelter, what they need to thrive. #wildlifeconservationday #WSWS

Help support the future of #weedscience research by donating to the Rita Beard Endowment Foundation on this #GivingTuesday. https://wsweedscience.org/rita-beard-endowment/#!form/RitaBeardDonation#weedscience#GivingTuesday#WSWS #givingback

Attention - DEADLINE EXTENDED!! The Program Committee is extending the title submission deadline for the #WSWS2026 Annual Meeting to December 8th. Please contact Nevin Lawrence ([email protected]) if you have any questions or concerns.

🍁 Happy Thanksgiving from #WSWS to our colleagues in the USA! Grateful for all who work to advance #weedscience and steward our landscapes. 🌱🧡 #Thanksgiving #thankful

🌱 Students & early-career pros in #weedscience: apply now for #WSWS Rita Beard travel scholarships! Funding supports attendance at WSWS, WAPMS, NAISMA, or SRM. 📅 Deadline: Nov 28, 5 PM (PT) 👉 https://wsweedscience.org/student-resources/#weedscience#WSWS#invasiveplants #agriculture

Meet Breanne Tidemann, Research Scientist w/ Agriculture & Agri-Food Canada & #WSWS Board Member-at-Large. Breanne joined WSWS in 2015 as a Ph.D. student & she’s passionate about science that supports farmers and mentoring the next generation of weed scientists. 🌱 #weedscience #farming #Canada #ag

Advocates in British Columbia are tackling invasive trees to "make a difference and be an example for others." https://www.thecooldown.com/outdoors/siberian-elm-trees-oliver-british-columbia/ #WSWS #invasiveplants #weedscience

Get an up-close look at the future of #citrus ag tech! Join UC ANR Innovate & Farmhand Ventures for VINE Connect Field Day on Dec. 5 in Exeter. See six cutting-edge ag tech demos tackling real grower challenges. Free to attend — register now! ucanr.edu/blog/food-bl...

🌱 Calling all #WeedScience Research Labs! 🌱 Tomorrow is #STEMDay & is the perfect opportunity to open your doors and inspire the next generation of #scientists. 👩‍🔬👨‍🔬 What do you have planned for undergrads, grad students, or the public this year? #WSWS #STEM

Attention Officers & Committee Chairs - we need updates for the Fall 2025 Newsletter! Please get submissions to Carl Libbey by THIS FRIDAY, Nov. 7th! #wsws #invasiveplants #weedscience #weedscientists #weedmanagement

📣DON'T FORGET!! The CAST Webinar on irrigation management is tomorrow! Please see email for registration details! #WSWS #weedscience #invasiveplants #agriculture #agscience

🎃👻 Ghouls & goblins bring a fright, but weeds invade both day & night! They creep & crawl, they choke & spread— leaving native plants for dead! 🌿💀 This #Halloween, take a stand— keep those spooky invaders off the land! 🌾🕸️ #WSWS #weedscience #invasiveplants #noxiousweeds

🌿 WSWS is seeking nominations! 🎓 Elena Sanchez Student Travel Grant & 🚜 Roland Schirman Memorial Travel Grant — Due Oct 31 🏆 Distinguished Achievement Awards — Due Dec 1 (Outstanding Weed Scientist, Weed Manager, Professional Staff) Nominating info on graphic posted. #WSWS

📚 This #WeedScience School took place a few weeks ago. Do you have something similar in your region for #outreach? If so, share with us in the comments! https://ucanr.edu/blog/uc-weed-science-weed-control-management-ecology-and-minutia/article/weed-science-school-2025#WeedScience#outreach?#WSWS

📣It's time for submissions for the 2025 Fall edition of the #WSWS newsletter! 🍂 Please submit articles to Editor Carl Libbey ([email protected]) by Nov. 7th! #weedscience #invasiveplants #themoreyouknow

Join #UCANR! We're #hiring an Assistant Director, Government & Community Relations to strengthen partnerships & engage with local, state, & federal leaders. 📍 Davis, CA (hybrid eligible) 👉 Apply now: bit.ly/47ka2DJ #UCANRJobs

Quote: "Iceland was one of only two mosquito-free havens in the world prior to the discovery, partly due to its cold climate. The only other recorded mosquito-free zone is Antarctica." www.bbc.com/news/article...

Stinknet is a relatively new invasive plant in the United States. Take a short survey to help researchers understand how land managers are dealing with this emerging threat: uarizona.co1.qualtrics.com/jfe/form/SV_... @wsweedsci.bsky.social @cal-ipc.bsky.social Please retweet!

🌵 Calling all #WSWS members! Proposals will soon open for symposia at the 79th Annual Meeting in Tucson, AZ — March 2–5, 2026. 💡 Topics of broad or local interest encouraged! #WSWS2026 #weedscience #invasiveplants #crops #weeds #forestry #rangelands

#WeedAlert from #WSWS: Kochia is spreading north in the Canadian Prairies, & #herbicideresistance is concerning. Farmers report $$$, multiple sprays, & loss of yield. https://www.cbc.ca/news/canada/saskatoon/kochia-weeds-prairies-agrifoodcanada-food-production-9.6933912 #weedscience

Jefferson County, CO, will soon open applications for funding for #weedmanagement and targeting #invasiveplants. https://www.jeffco.us/4595/Noxious-Weed-Eradication---Grant-and-Cos#weedmanagement#invasiveplants#WSWS #weedscience

🌱 Exciting news from #WSWS! The Diversity & Inclusion Committee launched a new Student #Scholarship supporting underrepresented students in #weedscience. 🎓 💚 Donations fund student research, travel & participation in WSWS programs. 👉 https://wsweedscience.org/diversity-and-inclusion/#WSWS#Scholarship#weedscience#DEI

🧪 UC Extension warns herbicide-resistant #weeds are rising in #treenut systems, especially w/ heavy post-emergence use. Rotate modes of action, use mixtures, & choose wisely! https://www.aginfo.net/report/63764/California-Tree-Nut-Report/Be-Mindful-of-Herbicide-Resistant-Weeds#weeds#treenut#WSWS #weedscience

📅 As holiday calendars fill up, don’t forget to save the date for the 2026 WSWS Annual Meeting in Tucson, Arizona! 🌵 We can’t wait to see everyone in the desert sun! ☀️ #WSWS #WSWS2026 #savethedate #weedscience #invasiveplants

Spooky Plant Alert! 👻 Broomrapes are highly parasitic #weeds that threaten #agriculture, food crops, and more! https://ow.ly/xtn650X8TUI#weeds#agriculture#WSWS #weedscience #spookyplants #weirdweeds

👻🌿 Creepy plant: Elephant’s Head! This eerie wildflower looks like tiny pink elephant heads — but don’t be fooled by its cute face. It’s a native parasitic plant, latching onto the roots of nearby grasses & sedges to steal nutrients. 😱 #WSWS #spookyplants #weirdweeds #botany

⏰***LAST CHANCE****⏰ - Applications for the Elena Sanchez Memorial #WSWS Outstanding Student Scholarship Program are due TOMORROW, OCTOBER 3. Please visit wsweedscience.org/wp-content/u... to learn more #weedscience #gradstudents #scholarship #invasiveplants

📣 #WSWS Summer 2025 Newsletter! ~Nominations open for Fellows & Achievement Awards (due Dec 1). ~Student scholarships ($1K each) due Oct 3 + travel grant available. ~Annual Mtg: Mar 2–5, 2026 in Tucson....and MORE!

📣Calling all #weedscientists who work in #aquaticplantmanagement! 🌱🌊 The Western Aquatic Plant Management Society Annual Meeting is in Coeur d’Alene, ID, March 9–11, 2026. 👉 Info here: wapms.org/2026-Annual-... #WSWS #weedscience #aquaticweeds #invasiveplants #WAPMS

The National Drought Mitigation Center produces weekly composite drought indices (CDIs), including a short, mid, long and flash drought indicator. The CDIs are calculated using a combination of inputs, depending upon the time frame. #drought #NDMC 🧪 ndmcblends.unl.edu

🌱✈️ Invasive weeds hitchhike on wind, pets, clothes, luggage, and even global transport. Once they arrive, eradication is tough- management often becomes a lifelong process. extension.oregonstate.edu/news/invasiv... #WSWS #weedscience #weedmanagement #extension #invasiveplants

Assistant Professor, Freshwater Ecologist, Faculty of Science, University of Calgary in Canada #academicjob careers.ucalgary.ca/jobs/1652277...

The Michigan Invasive Species Grants Program just announced their 2025 Request for Proposals. They're hosting a webinar September 9 for those interested in learning more about this opportunity. content.govdelivery.com/accounts/MID...

🔴⚠️🔥♨️🇨🇦The latest heatwave in NW Canada has boosted again fast #wildfires, with more than 100 fires now in NorthwestTerritories. The town of FortProvidence is in danger and evacuated,close to 500km2 of burn scars⬇️Pyrocumulonimbus by #Sentinel2 on Aug 30 #climateemergency

Survey of glyphosate- and dicamba-resistant kochia (Bassia scoparia) in Saskatchewan | Sharpe et al.: buff.ly/Ng3EZrs #OpenAccess #herbicideresistant

🌾 #HappyLaborDay from #WSWS! Behind every thriving crop and protected landscape are #weedscientists whose work often goes unseen. Today we recognize the tireless effort of all advancing sustainable weed management. THANK YOU! #weedscience #laborday

🌵🔥 The #SonoranDesert is the most biodiverse desert in the world, but #stinknet is changing things. It quickly dries into highly flammable brush, fueling #wildfires in a place where fire is historically rare. www.sdcwma.org/species/stin... #WSWS #weedscience #invasiveplants #wildfirerisk #weeds

🌱 Control #noxiousweeds before #Labor Day to stop them from going to seed! Summit County, CO, manages public lands & offers a cost-share program - rebates up to $500 (residents) & $1,000 (businesses). Funds avail! www.summitdaily.com/news/colorad... #WSWS #invasiveplants #weedmanagement