Please note for field trips, participants will be required to sign a waiver similar to the one found here.
  • Field Trip: Blachly Mountain Forest

    Emerald

    Saturday, April 18, 9:00 am - 4:00 pm   Field Trip: Blachly Mountain Forest Leader: Ed Alverson Blachly Mountain Forest is a close-in old growth forest located along Highway 36 on the Coast Range Divide between Cheshire and Triangle Lake. The old route of Highway 36 is closed and makes for a nice walking route through...

  • Oregon Rare Species Spotters Training

    Portland

    The spring training for Oregon Rare Species Spotters this year will be hosted on Saturday April 18 at 10:00 am – 3:00 pm for any new and returning volunteers. At the training we will have an overview of this program, ORSS, we will teach some methods for rare species population monitoring, and we will get hands on...

  • Field Trip: Baker Creek Trail at Sulphur Springs 

    Corvallis

    Sunday April 19, 1:00 pm – 3:00 pm  Field Trip: Baker Creek Trail at Sulphur Springs  Leader: Alexandria Kurowski Location: Baker Creek Bridge Trail, Mcdonald Forest This trip to the Sulphur Springs area of the McDonald Research Forest north of Corvallis will be an easy hike through a beautiful area to celebrate Native Plant Appreciation...

  • Event: Chapter Meeting: Got Juniper? Western Juniper Ecology and Management

    High Desert

    Tuesday, April 21, 5:00 pm - 6:00 pm Event: Chapter Meeting: Got Juniper? Western Juniper Ecology and Management Presenter: Jenna Deibel Location: To Be Determined This presentation will explain why western juniper has expanded so dramatically across the landscape, covering its ecology, biology, and the key factors driving its spread. The talk will distinguish old‑growth juniper from...

  • Field Trip: Camassia Nature Preserve

    Willamette Valley

    Wednesday, April 22, 9:00 am - 1:00 pm Field Trip: Camassia Nature Preserve Leader: John Savage John Savage of the Willamette Valley Chapter of the NPSO will lead a morning walk to view the blooming camas and other wildflowers of the 23-acre Camassia Nature Preserve in West Linn. Bring water and snacks.  Registration is required. For...

  • Zoom Program: The Invasive Mediterranean Oak Borer: An Emerging Threat to Oregon White Oak

    Willamette Valley

    Thursday, April 23, 6:30 pm - 7:30 pm Zoom Program: The Invasive Mediterranean Oak Borer: An Emerging Threat to Oregon White Oak Presenter: Allison Monroe Allison Monroe, a PhD student at the Oregon State University College of Forestry, will give a presentation on the emerging threat of the Mediterranean Oak Borer. She will discuss her research on...

  • Event: Ancient Juniper Hike and Old-Growth Forest Network Dedication Celebration

    High Desert

    Friday, April 24, 4:30 pm - 6:00 pm Event: Ancient Juniper Hike and Old-Growth Forest Network Dedication Celebration Leader/Presenter: Mara Huang, Ashley Martens, Gena Goodman-Campbell Location: 43.95779, -121.05192 Join the High Desert Chapter and the Old-Growth Forest Network for a celebration of the ancient woodlands protected in the Oregon Badlands BLM Wilderness. We'll start with a few...

  • Glide Wildflower Show

    Umpqua Valley

    Glide Wildflower Show  https://www.glidewildflowershow.org/ Dates: April 25th and 26th, Glide Community Building, Glide Oregon The Glide Wildflower Show is the largest and oldest display of native plants in the Pacific Northwest - a breathtaking collection of 600+ species of flowers, shrubs, trees, grasses, ferns, lichens, and mosses gathered from Douglas County and ranging to the...

  • Meeting: Quarterly membership meeting

    South Coast

    Saturday, April 25, 10:00 am - 12:00 pm Meeting: Quarterly membership meeting Leader and Contact: Gail Perrotti, gperrotti@earthlink.net or 541-414-9777 Location: LDS Church, 2000 Jackson St, Port Orford, OR 97465 Program to be determined. We will hold elections for president and secretary at this meeting.

  • Event: City Nature Challenge – Plant and Beaver BioBlitz at Tetherow Crossing Park

    High Desert

    Sunday, April 26, 9:00 am - 11:00 am Event: City Nature Challenge - Plant and Beaver BioBlitz at Tetherow Crossing Park Leader/Presenter: Mara Huang, Maureen Thompson Location: 5810 NW Tetherow Rd, Redmond, OR 97756 Join Beaver Works Oregon and Mara Huang of NPSO to explore the natural history and identification of wetland plants and beaver signs! This BioBlitz...

  • Field Trip: Mary’s River Natural Area in Corvallis 

    Corvallis

    Sunday April 26, 10:00 am - 12:00 pm  Field Trip: Mary’s River Natural Area in Corvallis  Leader: Esther McEvoy  Location: Mary’s River Natural Area  Meet at the parking lot kiosk for Mary’s River Natural Area off Brookline Drive in Corvallis (44.5424° -123.2822°). Celebrating Native Plant Appreciation Month, we will go in search of early blooming...

  • Rough and Ready Wildflower Walk

    Siskiyou

    Saturday, April 26, 2026, 10am Rough and Ready Wildflower Walk Location: Rough and Ready Botanical Wayside Highway 199 south of Cave Junction at milepost 34 Sponsored by the Cultural and Ecological Enhancement Network (CEEN) Join a walk through the Rough and Ready Wayside geared for plant enthusiasts and novices alike. This is a great opportunity for...

Please note for field trips, participants will be required to sign a waiver similar to the one found here.
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