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Alpine Lewisia // Lewisia pygmaea -- Iron Mountain Trail 7/2/2023
American Bistort // Polygonum bistortoides Iron Mountain 7/2/2023
Avalanche Lily // Erythronium oregonum Near Takhlakh Meadows, Gifford Pinchot National Forest 7/19/2024
Bachelor Button - white variety // Centaurea cyanus -- McCall Point Trail 5/26/2024
Ballhead Waterleaf // Hydrophyllum capitatum var. capitatum -- Lyle Cherry Orchard Trail 4/2/2022
Balloon Milkvetch // Astragalus whitneyi Indian Racetrack Trail, Gifford Pinchot National Forest 7/17/2023
Bastard Toadflax // Comandra umbellata Camassia Preserve 5/24/2023
Bead Lily // Clintonia uniflora -- Grassy Knoll Trail 6/21/2020
Big Pod or White Mariposa Lily // Calochortus eurycarpus -- Camp Creek Road, Zumwalt Prairie 6/25/2023
Big-leaf Sandwort // Moehringia macrophylla -- Surveyor's Ridge Trail 5/15/2024
Bitter Cherry // Prunus emrginata --Catherine Creek Traill 4422 4/9/2024
Bitter Root // Lewisia rediviva -- Catherine Creek Trail 4422 5/19/2019
Black Hawthorn // Crataegus douglasii -- Vista Ridge Trail, Zumwalt Prairie 6/28/2023
Bladder Campion // Silene vulgaris -- Stagman Ridge, Mt Adams Wilderness 7/12/2018
Bolander's Yampah // Perideridia bolanderi Weldon Wagon Road 5/15/2022
Bulbiferous or Smooth Prairie Star // Lithophragma glabrum -- McCall Point Trail 3/22/2025
Buck Bean // Menyanthes trifoliata -- Anvil Lake Trail, Mt Hood National Forest 6/24/2018
Bunch Berry // Cornus unalaschkensis -- Grassy Knoll Trail 6/6/2021
California Corn Lily // Veratrum californicum Patty's Trail, Zumwalt Prairie 6/29/2023
Canada Milkvetch // Astragalus canadensis Patty's Trail, Zumwalt Prairie 5/29/2023
Chamisso's Miner's Lettuce // Montia chamissoi -- Catherine Creek Loop Trail 4/9/2024
Coiled Beak Lousewort // Pedicularis contorta -- Killen Creek Trail, Mt Adams Wilderness 8/30/2023
Colt's Foot // Petasites frigidus -- Spruce Run Creek Trail 4/5/2023
Common Chickweed -- Stellaria media McCall Point Trail 3/22/2025
Common Cryptantha // Cryptantha intermedia -- Lyle Cherry Orchard Trail 4/2/2022
Coyote Brush // Baccharis pilularis -- Cascade Head Trail 9/11/2022
Creamy Buckwheat // Eriogonum compositum -- Harsin Butte Trail, Zumwalt Prairie 6/26/2023
Cuddy Mountain Onion // Allium fibrillum Horned Lark Trail, Zumwalt Prairie 5/27/2023
Cut Leaf Daisy // Erigeron compositus -- Harsin Butte Trail, Zumwalt Prairie 6/27/2023
Dogwood // Cornus nuttallii -- Road to Grassy Knoll Trail 6/19/2022
Drummond's Rockcress // Arabis drummondii -- Divide Camp Trail, Mt Adams Wilderness 7/26/2022
Dusky Horkelia // Horkelia fusca -- Canyon Vista Trail, Zumwalt Prairie 6/26/2023
Dutchman's Breeches // Dicentra cucullaria -- Catherine Creek Loop Trail 4/11/2019
Dwarf Hesperochiron // Hesperochiron pumilus -- Patty's Trail, Zumwalt Prairie 5/25/2023
Field Chickweed // Cerastium arvense -- Patty's Trail, Zumwalt Prairie 5/25/2023
Field Peppergrass // Lepidium campestre Canyon Vista Trail, Zumwalt Prairie 6/18/2024
Foam Flower // Tiarella trifoliata -- Grassy Knoll Trail 5/10/2018
Fragrant Popcorn Flower // Plagiobothrys figuratus -- Rowena Plateau Trail 4/17/2024
Fringed Grass of Parnassus // Parnassia fimbriata -- Paradise Park Trail, Mt Hood Wilderness 8/15/2023
Giant White Trillium // Trillium albidum -- Camassia Preserve Trail 4/18/2024
Goat's Beard // Aruncus dioicus -- McCall Point Trail 6/22/2024
Grass Widow, white variety // Olsynium douglasii -- McCall Point Trail 3/22/2025
Hairy Paintbrush // Castilleja tenuis -- Grassy Knoll Trail 6/19/2022
Heartleaf Buckwheat // Eriogonum compositum -- McCall Point Trail 6/12/2024
Himalayan Blackberry // Rubus discolor -- Cascade Head Trail 9/22/2022
Hoary Manzanita // Arctostaphylos canescens -- Placid Lake Trail 6/27/2021
Hooded Ladies Tresses // Spiranthes romanzoffiana -- Paradise Park Trail, Mt Hood Wilderness 8/16/2023
Hot Rock Penstemon // Penstemon deustus Canyon Vista Trail, Zumwalt Prairie 6/28/2023
Hooker's Fairy Lantern // Disporum smithii Grassy Knoll Trail 6/6/2021
Indian Plum // Oemleria cerasiformis -- Wygant Trail 4/15/2018
Inside Out Flower // Vancouveria hexandra Grassy Knoll Trail 6/21/2020
Jimson Weed // Datura stramonium -- Cottonwood Canyon 10/11/2020
Labrador Tea // Ledum groenlandicum Sleeping Beauty Trail 7/5/2020
Lanceleaf Spring Beauty // Claytonia lanceolata -- Patty's Trail, Zumwalt Prairie 7/17/2021
Large False Solomon's Seal // Maianthemum racemosum -- Grassy Knoll Trail 6/21/2023
Long Stemmed Clover // Trifolium longipes Patty's Trail, Zumwalt Prairie 5/15/2021
Low pussytoes // Antennaria dimorpha Harsin Butte Trail, Zumwalt Prairie 6/27/2023
Lowland Cudweed // Gnaphalium palustre Kings Creek Falls Trail, Lassen National Park 6/26/2022
Macloskey Violet // Viola macloskeyi -- Hatch Trailhead to Paradise Meadows, Lassen National Park 6/26/2022
Marsh Marigold // Caltha leptosepala ssp. howellii -- Divide Camp Trail, Mt Adams Wilderness 7/26/2022
Meadow Nemophilia // Nemophila pedunculata -- Mt Pisgah Arboretum 4/30/2017
Menzie's Pipsissewa // Chimaphila menziesii -- Tumalo Falls Trail 8/10/2023
Miner's Lettuce // Claytonia perfoliata McCall Point Trail 4/25/2022
Mock Orange // Philadelphus lewisii -- Klickitat River Trail 6/5/2021
Mountain Ash // Sorbus americana -- Sleeping Beauty Trail 7/5/2020
Mountain Death Camas // Zigadenus venenosus -- Catherine Creek Loop Trail 3/19/2024
Narrowleaf Paintbrush // Castilleja attenuata Weldon Wagon Trail 5/25/2022
Narrow-leaved Miner's Lettuce // Montia linearis -- McCall Point Trail 3/22/2025
Needle-leaved Navarretia // Navarretia intertexta -- Lower Table Rock, OR 7/1/2022
Nuttall's Linanthus // Linanthus nuttallii Kiger Gorge Overlook, Steens Mountain 7/11/2023
Ocean Spray // Holodiscus discolor -- McCall Point Trail 6/12/2024
Old Man's Beard // Anemone occidentalis Vista Ridge Trail, Mt Hood Wilderness 7/26/2023
One Flowered Monesis // Moneses uniflora Indian Beach Trail 7/28/2021
Oregon Campion // Silene oregana -- Stagman Ridge Trail, Mt Adams Wilderness 7/12/2018
Oregon Fawn Lily // Erythronium oregonum Grassy Knoll Trail 5/10/2018
Oregon Saxifrage // Saxifraga oregana Catherine Creek Loop Trail 4/12/2023
Oxeye Daisy // Leucanthemum vulgare Harsin Butte, Zumwalt Prairie 5/15/2021
Pacific Waterleaf // Hydrophyllum tenuipes Grassy Knoll Trail 6/6/2021
Pacific Water Parsley // Oenanthe sarmentosa -- McCall Point Trail 6/12/2024
Pale Smartweed // Persicaria lapathifolia Norway Pass Trail, Mt St Helens 7/24/2022
Partridge Foot // Luetkea pectinata Elk Cove Trail, Mt Hood Wilderness 8/17/2017
Pearly Everlasting // Anaphalis margaritacea Cloud Cap Trail, Mt Hood Wilderness 7/32/2016
Plantain // Plantago lanceolata -- Catherine Creek 4/28/21
Poison Hemlock // Conium maculatum Camassia Preserve 6/8/2023
Small Flowered Prairie Star // Lithophragma parviflorum McCall Point Trail 4/12/2024
Ranger's Buttons // Sphenosciadium capitellatum -- Three Creek Lake, Deschutes National Forest 8/11/2023
Rough Eyelash Weed // Blepharipappus scaber -- Canyon Vista Trail, Zumwalt Prairie 6/26/2013
Round Alumroot // Heuchera cylindrica Kiger Overlook, Steens Mountain 7/11/2023
Salal // Gaultheria shallon -- Camassia Preserve 6/5/2022
Salt and Pepper // Lomatium piperi McCall Point Trail 3/22/2025
Scalloped Onion // Allium crenualtum Grassy Knoll 6/21/2020
Sheldon's Milkvetch // Astragalus sheldonii Camp Creek Road, Zumwalt Prairie 5/29/2023
Sheperd's Cress // Teesdalia nudicaulis Catherine Creek Trail 4422 4/12/2023
Sierra Laurel // Leucothoe davisiae -- Boulder Lake Trail, Castle Crags, CA 7/9/2017
Sitka Valerian // Valeriana sitchensis Paradise Park Trail, Mt Hood Wilderness 8/16/2023
Scouler's Bluebell // Campanula scouleri Pilot Rock, Near Ashland, OR 8/30/2019
Slender Sandwort // Minuartia tenella -- Horse Rock Ridge 5/30/2022
Slender Woodland Star // Lithophragma tenellum -- Major Creek Road 4/11/2019
Small-flowered Nemophila // Nemophila parviflora -- Grassy Knoll Trail 5/23/2024
Starry Solomon's Seal // Maianthemum stellatum -- Grassy Knoll Trail 5/10/2018
Subalpine Mariposa Lily // Calochortus subalpinus -- Grassy Knoill Trail 6/21/2020
Subterranean Clover // Trifolium subterraneum -- Basket Slough 4/19/2024
Tall Buckwheat // Eriogonum elatum -- McCall Point Trail 7/15/2024
Thimbleberry // Rubus parviflorus -- Silver Star Mountain 6/16/2023
Threadleaf Fleabane // Erigeron filifolius Rowena Plateau 5/31/2024
Tolmie's Mariposa Lily // Calchortus tolmiei Patty's Trail, Zumwalt Prairie 5/25/2023
Tolmie's Onion // Allium tolmiei -- Harsin Butte, Zumwalt Prairie 5/28/2023
Trillium // Trillium ovatum -- Surveyor's Ridge Trail 5/15/2024
Vanilla Leaf // Achlys triphylla -- Sleeping Beauty Trail 5/18/2019
Varied-leaf Phacelia // Phacelia heterophylla Horsethief Butte 5/30/2024
Washington Lily // Lilium washingtonianum Palmateer Point Trail, near Government Camp, OR 7/17/2022
Western Boykinia // Boykinia occidentalis Elk Meadows, Mt Hood Wilderness 7/10/2022
Western False Asphodel // Tofieldia glutinosa -- Elk Meadows, Mt Hood Wilderness 7/10/2022
Western Saxifrage // Saxifraga occidentalis Catherine Creek Trail 4422 5/17/2023
Western White Clematis // Clematis ligusticifolia -- Klickitat River Trail 6/5/2021
Western White Groundsel // Senecio integerrimus var. ochroleucus -- Grassy Knoll 5/23/2024
White Camas // Camassia leichtlinii ssp. leichtlinii -- Liberty Hill 5/10/2023
White Cottongrass // Eriophorum chamissonis -- Wilcox Pass Trail, Banff National Park 8/19/2022
White Fairy Poppy // Meconella oregana McCall Point Trail 4/12/2024
White Mountain Heather // Cassiope mertensiana -- Mt Edith Cavell, Jasper National Park 8/20/2022
White Mule Ears // Wyethia helianthoides Zumwalt Buckhorn Road, Zumwalt Prairie 5/28/2023
White Shooting Star // Dodecatheon dentatum -- Patty's Trail, Zumwalt Prairie 5/15/2021
White Veined Pyrola // Pyrola picta Babyfoot Lake Trail, Kalmiopsis Wilderness 7/7/2018
Whitlow Grass // Draba verna -- Catherine Creek Loop Trail 3/11/2022
White Hyacinth // Triteleia hyacinthina Camassia Preserve 5/24/2024
White Flowered Hawkweed // Hieracium albiflorum -- Indian Racetrack Trail #117A 8/6/2019
Wickerstem Wild Buckwheat // Eriogonum vimineum -- Cottonwood Canyon 10/11/2020
Wild Cucumber // Marah oreganus -- Cascade Head 6/19/2019
Wild Strawberry // Fragaria virginiana -- Patty's Trail, Zumwalt Prairie 5/25/2023
Wood Sorrel // Oxalis oregana -- Latourell Falls Trail 6/19/2016
Yarrow // Achillea millefolium -- Camp Creek Road, Zumwalt Prairie 5/5/25/2023
Yellowleaf Iris // Iris chrysophylla -- Silver Star Mountain 7/4/2017
Western Pasque Flower // Anemone occidentalis -- Vista Ridge Trail, Mt Hood Wilderness 7/26/2023