[2005 Wildflower Bloom Reports for the Columbia River Gorge]

Columbia River Gorge

April 24, 2006


* indicates the wildflower is blooming.

Horsethief Butte Trail


*1. Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii (formerly Brodiaea howellii) -

*2. Panicled Death-camas: Zigadenus paniculatus -

3. Heart-leaf Buckwheat: Eriogonum compositum var. compositum - Yellow flowered forms, nearly ready to bloom.

*4. Shining Oregon Grape: Mahonia (Berberis) aquifolium - A few still in bloom.

5. Fringe Pod: Thysanocarpus curvipes - Many plants with fringed pods.

*6. Small-flowered prairie Star: Lithophragma parviflora - A few still in bloom.

*7. Northwestern Saxifrage: Saxifraga integrifolia -

8. Black Hawthorn: Crataegus douglasii var. douglasii - (Crataegus columbiana with longer thorns is also found here.) Neither species is yet in bloom at this time.

*9. Bittercherry: Prunus emarginata var. emarginata - In full bloom.

10. Chokecherry: Prunus virginiana var. melanocarpa - In bud, perhaps in bloom by the 1st of May.

*11. Antelope Bitterbrush: Purshia tridentata - A few seen in full bloom at this site.

12. Prairie Lupine: Lupinus lepidus var. aridus - Clusters of leaves, but no blooms yet.

*13. Bicolored Lupine: Lupinus bicolor -

*14. Filaree: Erodium cicutarium - Moderate bloom.

*15. Slender Evening-primrose: Oenothera contorta -

*16. Chervil: Anthriscus scandicina - Numerous small plants.

*17. Pungent Desert Parsley: Lomatium grayii - Starting to fade a bit.

*18. Smooth Desert Parsley: Lomatium laevigatum - Only several plants seen at this location.

*19. Slender-fruit Desert Parsley: Lomatium leptocarpum - A few in bloom.

*20. Creek Dogwood: Cornus stolonifera var. occidentalis - A few have begun to bloom.

*21. Silver-leaf Phacelia: Phacelia hastata var. leucophylla - A few beginning to bloom.

*22. Tarweed Fiddleneck: Amsinckia lycopsoides - Moderte bloom.

*23. Weak-stem Cryptantha: Cryptantha flaccida - Numerous

*24. Narow-leaf Owl Clover:Castilleja attenuata (formerly Orthocarpus attenuatus) -

25. Cut-leaf Penstemon: Penstemon richardsonii - Not close to blooming, but the stems are leafing out nicely.

*26. Cleavers / Annual Bedstraw: Galium aparine -

*27. Wild Cucumber: Marah oreganus -

28. Teasel: Dipsacus sylvestris - Basal leaves only.

*29. Annual Agoseris: Agoseris heterophylla -

*30. Hoary False Yarrow: Chaenactis douglasii var. douglasii - A few plants just beginning to bloom.

*31. Low Pussytoes: Antennaria dimorpha - Nearing the end of bloom.

*32. Balsamroot: Balsamorhiza species - Sorry, I didn't have a chance to stop to check the species! (possibly B. deltoidea)

33. Thread-leaf Balsamroot: Erigeron filifolius - In bud but none have bloomed yet.

*34. Cushion Fleabane: Erigeron poliospermis var. poliospermis - Sparse, but in full bloom.

*35. Salsify?: Tragopogon sp. - Numerous small plants in bloom, to about 15 cm high.

Paul Slichter