The
photo at right shows a close-up of the interesting flower of dutchman's breeches
(Dicentra cucullaria) as seen at Catherine Creek on April 9, 2005.
* Big-leaf Maple: Acer macrophyllum- Most trees now in bloom.
* Common Camas: Camassia quamash- A few beginning to bloom.
* Pale-anthered Glacier Lilies: Erythronium grandiflorum var. pallidum - Only a few left in bloom in the forest above the old homestead.
* Chocolate Lily: Fritillaria affinis - Beginning to bloom.
* Yellow Bells: Fritillaria pudica - A few flowers in fading bloom.
* Meadow Death-camas: Toxicoscordion venenosum var. venonosum - Common.
* Bicolored Cluster Lily: Triteleia grandflora var. howellii- A few beginning to bloom.
* Douglas' Grass Widow: Olsynium douglasii var. douglasii- Several still in full bloom.
Striped Coral Root: Corallorhiza striata - Several plants very close to blooming.
Common Bastard Toad-flax: Comandra umbellata var. californica- A with flower buds visible.
* Miner's Lettuce: Claytonia perfoliata- Common, but just starting to bloom.
* Line-leaf Montia: Montia linearis- A few in bloom.
* Chickweed: Stellaria media- Numerous
* Upland Larkspur: Delphinium nuttallianum- Occasional.
* Western Buttercup: Ranunculus occidentalis var. occidentalis - Numerous.
* Shining Oregon Grape: Berberis aquifolium- Fairly numerous.
* Dutchman's Breeches: Dicentra cucullaria - Peak of bloom. Plants common under the oaks near the creek.
* Spring Whitlow Grass: Draba verna - Still numerous in places.
* Fringe Pod: Thysanocarpus curvipes- Common.
* Small-flowered Prairie Star: Lithophragma parviflorum - Fairly common.
* Northwestern Saxifrage: Micranthes integrifolia -A few still in bloom.
* Rusty-hair Saxifrage: Micranthes rufidula -A few still in bloom.
* Serviceberry: Amelanchier alnifolia- A few beginning to bloom.
* Columbia Gorge Lupine: Lupinus latifolius var. latifolius - A few in bloom at low elevation along the Old Highway at the west and east ends of the Catherine Creek plateau and a few with racemes forming.
Spurred Lupine: Lupinus arbustus - A few that have leaves up but still lack flowers
* Small-flowered Lupine: Lupinus micranthus- Numerous.
Bighead Clover: Trifolium macrocephalum - Fairly common, but not quite in bloom yet.
* Sand Clover: Trifolium wildenovii - A few in bloom.
* Filaree: Erodium cicutarium- Numerous.
Poison Oak: Toxicodendron diversilobum- Plants leafing out, many with immature flower buds forming.
* Cut-leaf Violet: Viola sheltonii- A few beginning to bloom.
* Columbia Desert Parsley: Lomatium columbianum - Most are finishing their bloom period.
* Pungent Desert Parsley: Lomatium grayii - Very common.
* Bare-stem Desert Parsley: Lomatium nudicaule- Fairly common.
* Klickitat Desert Parsley: Lomatium klickitatense
* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum
* Nine-leaf Desert Parsley: Lomatium triternatum var. triternatum - A few in bloom.
Common Sweet Cicely: Osmorhiza berteroi - Only leaves at this time.
* Sierra Snake Root: Sanicula graveolens- A few in bloom.
* Poet's Shooting Star: Dodecatheon poeticum
* Midget Phlox: Microsteris gracilis
* Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii- A few beginning to bloom.
* Rigid Fiddleneck: Amsinckia retrorsa- Numerous small plants in bloom.
* Great Hound's Tongue: Adelinia grandis- Fairly common in open woods near the creek.
* Slender Popcorn Flower: Plagiobothrys tenellus- Numerous.
* Henbit: Lamium amplexicaule- A few in bloom.
* Small-flowered Blue-eyed Mary: Collinsia parviflora- Common
* Few-flowered Blue-eyed Mary: Collinsia sparsiflora var. bruceae - Common
* Dwarf Owl-clover: Triphysaria pusilla- Beginning to bloom.
* Small-flowered Tonella: Tonella tenella- Fairly common under the oaks.
Barrett's Penstemon: Penstemon barrettiae- Flower buds forming on the upper cliffs near the arch.
* Naked Broomrape: Aphyllon purpureum- Numerous.
* . Cleavers: Galium aparine- A few in bloom.
* Rosy Plectritis: Plectritis congesta- Just beginning to bloom.
* White Plectritis: Plectritis macrocera- A few in bloom.
* Wild Cucumber: Marah oreganus- A few in bloom.
* Annual Agoseris: Agoseris heterophylla- Fairly numerous.
* Northwest Balsamroot: Balsamorhiza careyana x deltoidea- A few in bloom at lower elevations.
* Gold Stars: Crocidium multicaule -A few still in bloom.
* False Agoseris: Microseris troximoides- Numerous.
* Common Dandylion: Taraxacum officinale- Fairly common in disturbed areas.
2. Raven
3. Scrub Jay