GPS coordinates for the Island Springs Trailhead are:
N46 09.077' --- W121 24.052' --- 4910' --- +/-30'
Coordinates for the crest of the Island Springs Trail are:
N46 10.123' --- W121 23.367' --- 5274' --- +/-34'
1. Western Lady Fern: Athyrium filix-femina ssp. cyclosorum
2. Northern Bracken Fern: Pteridium aquilinum var. pubescens
3. Silver Fir: Abies amabilis
4. Subalpine Fir: Abies lasiocarpa var. lasiocarpa
5. Western Larch: Larix occidentalis
6. Engelmann Spruce: Picea engelmannii
7. Lodgepole Pine: Pinus contorta
8. Ponderosa Pine: Pinus ponderosa
9. Douglas Fir: Pseudotsuga menziesii
10. Mountain Hemlock: Tsuga mertensiana
11. Bottlebrush Squirreltail: Elymus elymoides (formerly Sitanion hystrix)
12. Idaho Fescue: Festuca idahoensis -
13. Pinegrass: Calamagrostis rubescens -
* 14. Showy Sedge: Carex spectabilis -
15. Unidentified Sedge: Carex sp. - with caterpillar.
* 16. Cotton-grass: Eriophorum sp. (either E. angustifolium ssp. angustifolium or E. gracile) -
* 17. Dagger-leaf Rush: Juncus xiphoides (formerly Juncus ensifolius var. montanus) - In bloom at small springs high on the trail.
* 18. Cat's Ear Mariposa Lily: Calochortus subalpinus - Only 1 seen in bloom near Island Springs
* 19. Queen's Cup/ Bead Lily: Clintonia uniflora - Good bloom at Hellroaring Creek.
* 20. Tiger Lily: Lilium columbianum - One plant still in bloom near Hellroaring Creek.
21. Star-flowered False Solomon Seal: Maianthemum stellatum (Smilacina stellata) - Past bloom.
22. Rosy Twisted Stalk: Streptopus lanceolatus (formerly S. roseus) - Past bloom.
23. White Trillium: Trillium ovatum - Long past bloom.
* 24. Beargrass: Xerophyllum tenax - In bloom along Island Springs Creek atop the ridge.
25. Spotted Coralroot Orchid: Corallorhiza maculata -
26. White Bog Orchid: Platanthera (leucostachys or dilatata) - Too far past bloom for easy ID.
* 27. Slender Bog Orchid: Platanthera stricta (Habenaria saccata) - A few still in bloom, especially at Island Springs.
28. Quaking Aspen: Populus tremuloides
* 29. Sitka Willow: Salix sitchensis - Found at meadows along Hellroaring Creek and at Island Springs.
30. Red Alder: Alnus rubra
31. Sitka Alder: Alnus viridis ssp. sinuata
32. Douglas Maple: Acer glabrum var. douglasii -
* 33. Heart-leaved Buckwheat: Eriogonum compositum var. compositum - Full bloom high on the trail.
* 34. Sulfur-flowered Buckwheat: Eriogonum umbellatum var. umbellatum - Full bloom high on the trail.
* 35. Douglas' Knotweed: Polygonum douglasii -
* 36. Poke Knotweed: Polygonum phytolaccifolium -
* 37. Heartleaf Springbeauty: Claytonia cordifolia - A few still in bloom along Hellroaring Creek.
* 38. Slender Mt. Sandwort: Arenaria capillaris ssp. americana - In bloom atop the ridge.
39. Large-leaf Sandwort: Moehringia macrophylla - Past bloom.
* 40. Oregon Campion: Silene oregana -
* 41. Starwort: Stellaria sp. - Diminutive species in moist areas with corolla lobes less than calyx lobes.
* 42. Monkshood: Aconitum columbianum - Full bloom in the meadows at Hellroaring Creek and upwards to Island Springs Creek.
* 43. Crimson Columbine: Aquilegia formosa - A few plants still in bloom.
* 44. Little Buttercup: Ranunculus uncinatus var. parviflorus - A few still in bloom in moist meadows along Hellroaring Creek.
45. Western Meadowrue: Thalictrum occidentale - Now past bloom.
* 46. Western Bugbane: Trautvetteria caroliniensis var. occidentalis - In bloom along Hellroaring Creek.
* 47. Cascade Rockcress: Arabis furcata var. furcata - Fading out of bloom along much of the trail.
* 48. Rough Wallflower: Erysimum capitatum (formerly E. asperum) - Fading out of bloom.
49. Five-stamen Mitrewort: Mitella pentandra -
* 50. Brook Saxifrage: Saxifraga odontoloma (formerly S. arguta) - In bloom at any moist area along the trail.
* 51. Oregon Saxifrage: Saxifraga oregana - Meadows along Hellroaring Creek.
52. Serviceberry: Amelanchier alnifolia - Past bloom.
* 53. Large-leaved Avens: Geum macrophyllum -
54. Oceanspray: Holodiscus discolor - In bud.
* 55. Drummond's Cinquefoil: Potentilla drummondii ssp. drummondii -
* 56. Fan-leaf Cinquefoil: Potentilla flabellifolia - In bloom along Island Springs Creek atop the ridge.
* 57. Sticky Cinquefoil: Potentilla glandulosa var. glandulosa - A few still in bloom in meadows along Hellroaring Creek..
* 58. Dwarf Bramble: Rubus lasiococcus - Only in bloom on the north-facing hill between the trailhead and Hellroaring Creek.
* 59. Thimbleberry: Rubus parviflorus - In bloom high atop the ridge in moist areas.
* 60. Douglas' Spiraea (Hardhack): Spiraea douglasii -
* 61. Pyramid Spiraea, Hybrid Spriaea: Spiraea X pyramidata -
62. Subalpine Lupine: Lupinus arcticus ssp. subalpinus - In moist areas along Island Springs Creek atop the ridge and upstream to Island Springs.
* 63. Burke's Lupine: Lupinus burkei ssp. burkei -
* 64. American Vetch: Vicia americana ssp. americana - A few remain in bloom.
* 65. Tinker's Penny: Hypericum anagalloides -
* 66. Norton's St. Johnswort: Hypericum formosum ssp. nortoniae - In bloom at a small seep along the trail.
67. Snowbrush: Ceanothus velutinus -
* 68. Fireweed: Chamerion (Epilobium) angustifolium -
* 69. Willowherb: Epilobium sp. - Small pink-flowered, clumped willowherb at stream edge in Island Springs.
* 70. Common Willowherb: Epilobium ciliatum ssp. ciliatum ? - Pink flowers. A few still in bloom.
* 71. White Willow-herb: Epilobium lactiflorum
* 72. Spreading Groundsmoke: Gayophytum diffusum - Numerous small plants in bloom high on the trail.
* 73. Sharptooth Angelica: Angelica arguta -
* 74. Cow Parsnip: Heracleum lanatum -
* 75. Gray's Lovage: Ligusticum grayii -
76. Fern-leaved Desert Parsley: Lomatium multifidum - Mostly leaves remain.
77. Sierra Snakeroot: Sanicula graveolens - Going to seed.
78. Kinnikinnick, Pinemat Manzanita: Arctostaphylos nevadensis
* 79. Side-bells Wintergreen: Orthilia (Pyrola) secunda -
* 80. Red Mt. Heather: Phyllodoce empetriformis - In bloom on slopes along Island Springs Creek atop the ridge.
* 81. Cascade Azalea: Rhododendron albiflorum var. albiflorum - Finishing its bloom at Island Springs.
82. Night-blooming Morning-glory: Convolvulus nyctagineus -
* 83. Jeffrey's Shooting Star: Dodecatheon jeffreyi - Still in bloom at Island Springs.
84. California Jacob's Ladder: Polemonium californicum -
* 85. Western Polemonium: Polemonium occidentale -
* 86. Woodland Phacelia: Phacelia nemoralis (or Phacelia leptosepala ???)-
87. Tall Phacelia: Phacelia procera - Past bloom.
* 88. Western Horsemint: Agastache occidentalis
* 89. Tall Bluebells: Mertensia paniculata var. borealis - Fading out of bloom near Hellroaring Creek.
* 90. Harsh Paintbrush: Castilleja hispida - A few still in bloom high on the ridge.
* 91. Common Paintbrush: Castilleja miniata -
* 92. Magenta Paintbrush: Castilleja parviflora var. oreopola - In bloom at Island Springs.
* 93. Suksdorf's Paintbrush: Castilleja suksdorfii - In bloom at the meadows along Hellroaring Creek.
* 94. Common Monkey Flower: Mimulus guttatus - A few still in bloom.
* 95. Lewis' Monkey Flower: Mimulus lewisii - Nice bloom at Island Springs Creek.
* 96. Primrose Monkeyflower: Mimulus primuloides -
* 97. Turtle Heads: Nothochelone nemorosa -
* 98. Glaucous Penstemon: Penstemon euglaucous - In bloom high on the trail, but fading from bloom.
* 99. American Alpine Speedwell: Veronica wormskjoldii -
* 100. Fragrant Bedstraw: Galium triflorum -
* 101. Sitka Valerian: Valeriana sitchensis -
* 102. Scots Bluebells: Campanula rotundifolia -
103. Mountain Snowberry: Symphoricarpos oreophilus var. utahensis -
* 104. Yarrow: Achillea millefolium var. occidentalis - A few plants seen in bloom.
* 105. Pathfinder: Adenocaulon bicolor - In bloom below the first crossing of Island Springs Creek.
* 106. Orange Agoseris: Agoseris aurantiaca -
* 107. Broad-leaf Arnica: Arnica latifolia -
* 108. Rydberg's Arnica: Arnica rydbergii - Meadows around Hellroaring Creek.
109. Douglas' Wormwood: Artemisia douglasiana -
* 110. Giant Mountain Aster: Canadanthus modestus - Beginning to bloom.
* 111. Rabbitbrush Goldenweed: Ericameria bloomeri - A few in bloom on higher slopes.
* 112. Subalpine Daisy: Erigeron glacialis ssp. glacialis- Fairly common yet.
* 113. Klickitat Aster: Eucephalus glaucescens (formerly Aster glaucescens) - In full bloom.
* 114. Cascade Aster: Eucephalus ledophyllus (formerly Aster ledophyllus) - In full bloom.
* 115. Rough-leaved Aster: Eurybia radulinus (formerly Aster radulinus) - Beginning to bloom.
116. Rocky Mountain Sunflower: Helianthella uniflorus - Past bloom.
* 117. White-flowered Hawkweed: Hieracium albiflorum - A few left in bloom.
* 118. Slender Hawkweed: Hieracium gracile var. gracile - In bloom along open areas along Island Springs Creek atop the ridge.
* 119. Scouler's Hawkweed: Hieracium scouleri -
* 120. Nodding Microseris: Microseris nutans - Abundant in dry meadows.
121. American Sawwort: Saussurea americana - In bud in the meadows to the north of Hellroaring Creek.
* 122. Streambank Butterweed: Senecio pseudaureus - Just beginning to bloom in the meadows to the north of Hellroaring Creek and in moist areas higher along the trail.
* 123. Arrowleaf Groundsel: Senecio triangularis - Just beginning to bloom in the meadows to the north of Hellroaring Creek and at Island Springs.
* 124. Canada Goldenrod: Solidago canadensis var. salebrosa -
* 125. Leafy Aster: Symphyotrichm foliaceum var. parryi - In bloom between Hellroaring Creek and Island Springs Creek, and a few places above the latter creek.
Douglas' Squirrel:
Cascade Golden-mantled Ground Squirrel:
Least Chipmunks:
Clark's Nutcracker:
Gray Jays (Camp Robbers)
Stellers Jays
Northern Flickers:
Small Owl: (about 10" high)
Song Sparrows:
Red-breasted Nuthatches:
MacGillivray's Warbler (or possibly Nashville Warbler): Pair seen with dark gray heads and olive-green backs. I did not notice the white ring pattern around the eye or whether there was yellow under the chin. Seen amongst Sitka Willows.
Warbling Vireos:
Golden-crowned Kinglets:
Chickadees: Heard, not seen.
Violet-green Swallows:
Cascade Frog: at Island Springs.
Caterpillar on grass: Possibly the nymph of Mourning Cloak?
Anise Swallowtail Caterpillar on shrub branch:
White-faced Hornet:
Bumble Bees of varying sizes:
Crane Flys:
Ant Lions: