About Oregon Wildflowers
OREGON WILDFLOWERS FIELD GUIDE Identify wildflowers, shrubs, and vines throughout Oregon - from Mt. Hood to Crater Lake. Developed by OregonFlora at Oregon State University, the official steward of Oregon's botanical...
OREGON WILDFLOWERS FIELD GUIDE
Identify wildflowers, shrubs, and vines throughout Oregon - from Mt. Hood to Crater Lake. Developed by OregonFlora at Oregon State University, the official steward of Oregon's botanical information. Based on the Flora of Oregon scientific reference. Works 100% offline in Oregon's wilderness.
Perfect for hiking the Cascades, exploring the Coast Range, or wandering Columbia Gorge trails. No cell service needed - all 1,289 species, photos, range maps, and descriptions work offline.
OREGON'S MOST COMPLETE PLANT GUIDE
1,289 wildflowers, shrubs and vines including:
- Native Oregon species
- Common introduced plants
- Adjacent areas: Northern CA, Southern WA, Western ID
- All 10 Oregon ecoregions covered
POWERFUL IDENTIFICATION TOOLS
Visual search key filters by 12 illustrated categories:
- Geographic region (10 Oregon ecoregions)
- Plant type (wildflower, shrub, vine)
- Flower color (white, yellow, orange, red, blue, purple, pink, green, brown)
- Number of petals and inflorescence shape
- Flowering period
- Leaf arrangement, type, shape, and margin
- Plant size and habitat
Browse by common name, scientific name, or plant family. Tap any species to see multiple photos, detailed descriptions, Oregon range maps, and bloom periods.
OREGON STATE UNIVERSITY QUALITY
Official app from OregonFlora at OSU - Oregon's primary botanical authority since 1994. Based on Flora of Oregon, the definitive scientific reference. Curated by professional botanists for unmatched accuracy.
WORKS ANYWHERE IN OREGON
No internet required! Perfect for:
- Mt. Hood (Timberline Trail, Paradise Park)
- Crater Lake (Rim trails, Watchman Peak)
- Columbia Gorge (Eagle Creek, Dog Mountain, Tom McCall)
- Cascades (Three Sisters, Mt. Jefferson, Mt. Bachelor)
- Coast Range (Saddle Mountain, Marys Peak, Cascade Head)
- Willamette Valley (Oak savanna, wetlands)
- Eastern Oregon (Steens Mountain, Wallowas, high desert)
- Siskiyous (Kalmiopsis Wilderness)
EDUCATIONAL RESOURCES INCLUDED
- Oregon ecoregions guide (all 10 regions)
- Habitat descriptions
- Wildflower destinations with peak bloom times
- Climate and plant community relationships
- Botanical glossary with illustrated diagrams
- Leaf, flower, and inflorescence anatomy
- Plant family descriptions
- Step-by-step identification guide
KEY FEATURES
- 1,289 Oregon plant species
- 3,800+ high-quality photographs
- Oregon range maps
- Bloom period calendars
- Works 100% offline
- 12-category visual key
- Browse by common name, scientific name, or family
- Detailed botanical descriptions
- Native and introduced species
- Technical terminology glossary
- Regular updates
FOR EVERYONE
Whether you're a hiker, backpacker, photographer, botany student, Master Gardener, outdoor enthusiast, beginner, or experienced botanist - Oregon Wildflowers helps you identify plants from coastal rainforests to alpine meadows to high desert.
ICONIC OREGON DESTINATIONS
- Paradise Park (Mt. Hood alpine)
- Crater Lake rim (subalpine)
- Dog Mountain (Gorge balsamroot)
- Three Sisters (Cascade Lakes)
- Tom McCall Preserve (Gorge bloom)
- Timberline Trail (Mt. Hood circuit)
- Steens Mountain (eastern diversity)
- Saddle Mountain (Coast Range summit)
SUPPORT OREGONFLORA
Revenues support OregonFlora at Oregon State University - developing the botanical knowledge base that creates quality tools to inform the public about Oregon's plant diversity.
DOWNLOAD NOW
Join thousands using Oregon's official wildflower app. One-time purchase, lifetime access. Works on iPhone, iPad, and Android. Start identifying today!
ABOUT OREGONFLORA
OregonFlora at Oregon State University is the primary steward of Oregon's botanical information. Since 1994, OregonFlora has developed the Flora of Oregon (volumes 1 & 2 published 2015 and 2020). Visit oregonflora.org to explore all ~4,700 Oregon vascular plants with interactive tools, maps, and images.
Previous Versions
Here you can find the changelog of Oregon Wildflowers since it was posted on our website on 2016-12-30 17:22:18.
The latest version is and it was updated on 2026-10-16 09:15:33. See below the changes in each version.
Oregon Wildflowers version
Updated At: 2026-09-27
Changes: Added accessibility support.
Oregon Wildflowers version
Updated At: 2026-09-09
Changes: Updated for Jetpack Compose and Android 17.
Oregon Wildflowers version
Updated At: 2026-07-07
Changes: Added accessibility support.
Fixed issue with reset.
Oregon Wildflowers version
Updated At: 2025-06-05
Changes: Enabled EdgeToEdge.
Added button to open iNaturalist for logging observations.
Updated for Android 15 and API 35.
Oregon Wildflowers version
Updated At: 2025-05-22
Changes: Added button to open iNaturalist for logging observations.
Updated for Android 15 and API 35.
Oregon Wildflowers version
Updated At: 2025-03-23
Changes: Updated for Android 15 and API 35.
Oregon Wildflowers version
Updated At: 2024-06-05
Changes: Updated for API 34 and Android 14.
Added popups for glossary terms in technical plant descriptions.
Added ability to put scientific name in copy buffer/clipboard to paste into other apps.
Oregon Wildflowers version
Updated At: 2023-07-25
Changes: Added popups for glossary terms in technical plant descriptions.
Added ability to put scientific name in copy buffer/clipboard to paste into other apps.
Oregon Wildflowers version
Updated At: 2022-12-20
Changes: Updated for API 33 and Android 13.
Oregon Wildflowers version
Updated At: 2022-04-01
Changes: 1. Updated for Android 11.
2. Numerous images have been updated where better images were available to represent a species. Images were chosen by OregonFlora and sourced from OregonFlora's image collection. The total number of images is 5595, an increase of 926.
3. Updated descriptions for each species including current morphology information.
4. Added descriptions to new plant families.
