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.
Taper-tip Onion: Allium acuminatum - Some plants seen in bud.
Ball-head Cluster Lily: Dichelostemma congestum - Basal leaves only.
Green-banded Mariposa Lily: Calochortus macrocarpus var. macrocarpus - Basal leaves only.
* Common Camas: Camassia quamash- Many in bloom.
* Chocolate Lily: Fritillaria affinis - Nice bloom.
* Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii - A few beginning to bloom.
* Meadow Death-camas: Toxicoscordion venenosum var. venonosum- Common.
* Striped Coral Root: Corallorhiza striata - Several plants in bloom.
Common Bastard Toad-flax: Comandra umbellata var. californica- A with flower buds visible.
Heart-leaf Buckwheat: Eriogonum compositum var. compositum - In bud.
Strict Buckwheat: Eriogonum strictum var. proliferum - Basal leaves only seen.
* Miner's Lettuce: Claytonia perfoliata- Common bloom.
* Bitterroot: Lewisia rediviva - A few plants beginning to bloom.
* Water Chickweed: Montia fontana var. tenerrima - Ending bloom.
* Line-leaf Montia: Montia linearis - A few in bloom.
* Chickweed: Stellaria media - Numerous.
Meadow Larkspur: Delphinium distichum - Basal leaves only seen.
* Upland Larkspur: Delphinium nuttallianum- Numerous.
* Western Buttercup: Ranunculus occidentalis var. occidentalis - Numerous.
* Shining Oregon Grape: Berberis aquifolium- Fairly numerous.
* Dutchman's Breeches: Dicentra cucullaria - A few plants left in bloom.
Oaks Toothwort: Cardamine nuttallii
* Spring Whitlow Grass: Draba verna - Still numerous in places.
* Fringe Pod: Thysanocarpus curvipes- Common, but going to seed.
* Small-flowered Prairie Star: Lithophragma parviflorum - Fairly common.
* Northwestern Saxifrage: Micranthes fragosa - A few plants still in bloom.
* Northwestern Saxifrage: Micranthes integrifolia - A few plants 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.
* Small-flowered Lupine: Lupinus micranthus - Numerous.
* Bighead Clover: Trifolium macrocarpum - A few plants in bloom.
* Sand Clover: Trifolium wildenovii - Fairly numerous.
* Common Vetch: Vicia sativa - One plant seen in bloom.
* Filaree: Erodium cicutarium- Numerous.
Poison Oak: Toxicodendron diversilobum - Plants leafing out, many with immature flower buds forming.
* Cut-leaf Violet: Viola sheltonii- Good bloom.
* Small-flowered Willow-herb: Epilobium minutum ?
* Columbia Desert Parsley: Lomatium columbianum - Most are finishing their bloom period. One or two plants still in bloom.
* Klickitat Desert Parsley: Lomatium klickitatense - Very common.
* Bare-stem Desert Parsley: Lomatium nudicaule- Fairly common.
* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum
* Nine-leaf Desert Parsley: Lomatium triternatum var. triternatum - A few in bloom.
Sweet Cicely: Osmorhiza sp. - Only leaves at this time.
Western Snake Root: Sanicula crassicaulis
* Sierra Snake Root: Sanicula graveolens - A few in bloom.
* Poet's Shooting Star: Dodecatheon poeticum
* Midget Phlox: Microsteris gracilis - Fairly numerous
* Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii- A few beginning to bloom.
* Woods Nemophila: Nemophila parviflora
* Meadow Nemophila: Nemophila pedunculata
* Rigid Fiddleneck: Amsinckia retrorsa- Numerous small plants in bloom.
* Great Hound's Tongue: Adelinia grandis - Fairly common in open woods near the creek.
* Corn Gromwell: Buglossoides arvensis -
* Slender Popcorn Flower: Plagiobothrys tenellus- Numerous.
* Henbit: Lamium amplexicaule- A few in bloom.
* Red-dead Nettle: Lamium purpureum - A few in bloom.
* Small-flowered Blue-eyed Mary: Collinsia parviflora- Common
* Few-flowered Blue-eyed Mary: Collinsia sparsiflora var. bruceae - Common.
* Chickweed Monkey Flower: Erythranthe alsinoides
* Common Monkey Flower: Erythranthe guttata
* Narrow-leaf Owl-clover: Castilleja attenuata - A few blooming plants seen.
* Dwarf Owl-clover: Triphysaria pusilla - Beginning to bloom.
* Barrett's Penstemon: Penstemon barrettiae - Flower buds forming on the upper cliffs near the arch and a few plants beginning to bloom on cliffs next to the old highway at the west end of Catherine Creek.
* Small-flowered Tonella: Tonella tenella- Fairly common under the oaks.
* Naked Broomrape: Aphyllon purpureum - Numerous.
* Bedstraw, Cleavers: Galium aparine- A few in bloom.
* Rosy Plectritis: Plectritis congesta- Just beginning to bloom.
* White Plectritis: Plectritis macrocera - A few in bloom.
* Bigroot, 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.
Woolly Sunflower, Oregon Sunshine: Eriophyllum lanatum (var. lanatum ?) - In bud.
* False Agoseris, Prairie Dandylion: Nothocalais troximoides - Numerous.
* Common Dandylion: Taraxacum officinale- Fairly common in disturbed areas.
2. Ravens
3. Scrub Jays
7. Violet-green Swallows
8. Propertius Duskywings: Erynnis propertius
9. Carnivorous Ground Beetle