May 1, 2005
Columbia Hills Natural Area Preserve (& Stacker Butte)

The
photo at right shows a close-up of the flower of prairie violet Viola nuttallii
as seen at Stacker Butte, May 1, 2005.
*1. Oregon White Oak: Quercus garryana - Beginning bloom at all elevations.
*2. Taper-tipped Onion: Allium accuminatum- Many with well-formed buds.
*3. Bicolored Harvest Lily: Brodiaea howellii - In bloom but going out of bloom at lower elevations.
4. Glacier Lily: Erythronium grandiflorum - Pods are developing.
5. Yellow Bells: Fritillaria pudica- Pods well-developed.
*6. False Solomon Seal: Smilacina racemosa - In bloom only amongst the shrubs on the upper slopes of the north side of the summit.
*7. Heart-leaf Buckwheat (both the yellow and white forms): Eriogonum compositum var. compositum - Both white- and yellow-flowered forms beginning to bloom.
*8. Douglas' Buckwheat: Eriogonum douglasii var. tenue- Many with bright reddish flower buds and a few in bloom.
9. Barestem Buckwheat: Eriogonum nudum - A few with the flower stems elongating up to 30-40 cm high.
*10. Lance-leaf Spring Beauty: Claytonia lanceolata - A few still in bloom on the uppermost, north-facing slopes.
*11. Miner's Lettuce: Claytonia (Montia) perfoliata
*12. Bitterroot: Lewisia rediviva -
*13. Pale Montia: Montia exigua (M. spathulata) - In full bloom.
*14. Line-leaf Montia: Montia linearis - A few in bloom at the pond on the summit ridge.
15. Franklin's Sandwort: Arenaria franklinii var. franklinii - Still in bud.
*16. Jagged Chickweed: Holosteum umbellatum - A number in bloom along the summit ridge.
*17. Chickweed: Stellaria media - A few in bloom.
*18. Upland Larkspur: Delphinium nuttallianum - Mostly in bloom on the uppermost slopes.
*19. Sickle-pod Rock Cress: Arabis sparsiflorus var. atrorubens - Both in bloom and with well-developed fruits.
*20. Oaks Toothwort: Cardamine pulcherrima var. pulcherrima - A few in bloom within the oak forest.
21. Douglas' Draba: Draba douglasii - Leaves only, past bloom.
*22. Scale Pod: Idahoa scapigera -Some still in bloom and with pods at Stacker Butte .
*23. Dagger Pod: Phoenicaulis cheiranthoides - Fairly good bloom still at the uppermost elevations.
*24. Jim Hill Mustard: Sisymbrium altissimum - A few present and in bloom.
*25. Fringe Pod: Thysanocarpus curvipes - A few in bloom with lots of ripe seed pods.
*26. Shining Oregon Grape: Mahonia (Berberis) aquifolium - Blooming in the oak forest.
27. Lance-leaf Stonecrop: Sedum lanceolatum - Flower buds forming.
28. Leiberg's Stonecrop: Sedum leibergii - Flower buds forming.
*29. Bulblet Prairie Star: Lithophragma bulbifera - A few in bloom on north-facing slopes at the highest elevations.
*30. Small-flowerd Prairie Star: Lithophragma parviflora
*31. Northwestern Saxifrage: Saxifraga integrifolia - A few still in bloom on north-facing slopes at the uppermost elevations.
*32. Old Man's Whiskers: Geum triflorum - A few in bloom at the uppermost elevations.
*33. Serviceberry: Amelanchier alnifolia - Beginning to bloom.
*34. Bittercherry: Prunus emarginata var. emarginata - Beginning bloom at the highest elevations, especially at the tops of north-facing slopes.
35. Chokecherry: Prunus virginiana var. melanocarpa - A few in bud on north-facing slopes along the highest ridges.
*36. Woolly-pod Milk-vetch: Astragalus purshii - Several plants with a flower or two still in bloom at the higher elevations.
*37. Yakima Milk-vetch: Astragalus reventiformis - In sparse bloom at all elevations.
*38. Columbia Gorge Broad-leaf Lupine: Lupinus latifolius var. thompsonianus - Sparse bloom this year.
*39. Spurred Lupine: Lupinus arbustus (formerly L. laxiflorus) - A few in bloom.
*40. Whitish Lupine: Lupinus leucopsis (var. mollis ?) (L. sulphureus var. subsacattus) - A few in bloom.
*41. Stony Ground Lupine: Lupinus saxosus ???- See photo below as well as the link to the left for more photos.
*42. Big-head Clover: Trifolium macrocephalum - (bloomed out below, but still a good bloom near the summit)
*43. Filaree: Erodium cicutarium
*44. Prairie Violet: Viola nuttallii - A few in bloom on north-facing slopes at the uppermost elevations.
*45. Chervil: Anthriscus scandicina - A few small plants in bloom.
*46. Fern-leaved Desert Parsley: Lomatium dissectum - Begining bloom in the oak forest above.
47. Pungent Desert Parsley: Lomatium grayi
*48. Slender-fruited Desert Parsley: Lomatium leptocarpum - Fairly common.
*49. Gray-leaf Desert Parsley: Lomatium macrocarpum - White flowered form, a few still in fading bloom at the summit of Stacker Butte.
*50. Bare-stem Desert Parsley: Lomatium nudicaule - Common bloom.
51. Watson's Desert Parsley: Lomatium watsonii - Only in seed.
*52. Desert Shooting Star: Dodecatheon conjugens - A few plants still in bloom on north-facing slopes at the uppermost elevations.
*53. Columbia Frasera: Frasera albicaulis var. columbiana - In bud.
*54. Midget Phlox: Phlox (Microsteris) gracilis - A few in bloom.
*55. Hood's Phlox: Phlox hoodii- Moderate bloom above.
*56. Showy Phlox: Phlox speciosa- Moderate bloom.
*57. Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii - A few in bloom only in the oak forest on the north side of the Columbia Hills.
*58. Woods Nemophila: Nemophila parviflora - Beginning to bloom in the oak woods.
*59. Varied-leaf Phacelia: Phacelia heterophylla
*60. Fiddleneck: Amsinckia retrorsa-
*61. Weak-stem Cryptantha: Cryptantha flaccida - A few in bloom.
*62. Common Cryptantha: Cryptantha intermedia
*63. Puccoon: Lithospermum ruderale
*64. Small-flowered Forget-me-not: Myosotis micrantha
*65. Harsh Paintbrush: Castilleja hispida - Brilliant, massed bloom in scattered locations.
*66. Small-flowered Blue-eyed Mary: Collinsia parviflora - Fairly abundant in the oak forest.
67. Gairdner's Penstemon: Penstemon gairdneri var. gairdneri - A number of plants at very scattered locations in bud.
68. Glandular Penstemon: Penstemon glandulosa - Plants up to 40 cm high along the north edge of the summit.
*69. Naked Broomrape: Orobanche uniflora var. purpurea - In bloom only at the summit.
*70. Annual Bedstraw: Galium aparine var. echinospermum
*71. White Plectritis: Plectritis macrocera - Fading out except on north-facing slopes.
*72. Yarrow: Achillea millefolium - Nearing bloom at mid-slope.
*73. Annual Agoseris: Agoseris heterophylla
*74. Low Pussytoes: Antennaria dimorpha
*75. Heart-leaf Arnica: Arnica cordifolia - A few beginning to bloom.
*76. Arrow-leaf Balsamroot: Balsamhoriza sagittata
*77. Hoary False Yarrow: Chaenactis douglasii -
78. Western Hawksbeard: Crepis occidentalis -
*79. Gold Stars: Crocidium multicaule - A few in bloom only at the summit.
*80. Yellow Desert Daisy: Erigeron linearis - A few beginning to bloom.
*81. Woolly Sunflower: Eriophyllum lanatum - Several in bloom near the summit.
82. Little Sunflower: Helianthella uniflora - Some plants in bud (about 40 cm high) on steep slopes about 100 meters east of the radio direction finder.
*83. False Agoseris: Nothocalais (Microseris) troximoides - A few still in bloom at the summit.
*84. Yellow Western Groundsel: Senecio integerrimus var. exaltus - Beginning bloom.
*85. Common Dandylion: Taraxacum officinale - A few in bloom along the road or in very disturbed places.
1. Ravens
2. Horned Larks
3. Meadow Lark
6. Swifts
7. Hummingbird
8. Two Red-tailed Hawks
9. Prairie Falcon
11. Rattlesnake
12. Mule Deer