Oregon Wildflowers15.18 - App Store

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.

Version History Updated for iOS 26.6.1. 15.18 Aug 31 Updated the location for retrieving and fetching Favorites to be the same as previous non-SwiftUI version of app. 15.16 Mar 29 Updated image handling.
Updated WkWebView handling of external links. 15.15 Mar 16 Added elements for accessibility. 15.14 Mar 3 Accessibility improvements were added. 15.12 Feb 13 Accessibility implemented for html documents. 15.11 Feb 7 Fixed some issues with html docs in dark mode. 15.10 Feb 6 Made improvements for accessibility. 15.09 Feb 3 Added support for accessibility. 15.01 Feb 2 Added iNaturalist buttons (to log observations) and Favorite buttons to all 3 tab views for a plant.
Updated for iOS 18.5+. 14.03 08/15/2025 Updated for 2025 and iOS 18.3+. 14.01 05/22/2025 Updated for iOS 17. 12.04 10/27/2023 Added popups for glossary terms in technical plant descriptions.
Added ability to put scientific name in copy buffer/clipboard to paste into other apps. 12.03 07/25/2023 Updated for iOS 16.5+. 12.02 07/25/2023 Updated for iOS 16.2+. 12.01 12/21/2022 Performance improvements. 11.02 05/30/2022 Updated app for iOS 15.3+. 11.01 04/02/2022 1. Numerous mages have been updated where better images were available to represent a species. Images were chosen by OregonFlora and sourced from OregonFlora's image collection.
2. 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. 10.06 08/18/2021 Added 235 new plants for a total of 1289.
Added ~1,000 images.
Updated all 1289 distribution maps to reflect latest distribution data.
Updated nomenclature for 52 taxa.
Updated to new OregonFlora name and copyright 2021. 10.04 06/18/2021 Updated for iOS 14.5. 10.01 04/30/2021 Updated for iOS version 14+. 9.15 11/18/2020 Fixed a bug in Search by Characteristics.
Updated for iOS 13.5.1+ 9.10 07/15/2020 Fixed a bug in Search by Characteristics.
Updated for iOS 13.4.1+ 9.02 05/27/2020 Updated UIWebView to WKWebView.
Handled dark mode versus light mode for screen setting.
Updated for iOS 13+. 9.01 01/14/2020 Updated for iOS 13+. Screenshots are available for 6.5" display. 8.01 10/02/2019