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  • Sabulina nuttallii / Nuttall's sandwort

    Sabulina nuttallii / Nuttall’s sandwort

    • small, glandular-pubescent perennial
    • trailing stems form mats
    • thin, rigid, needle-like leaves, about ½" long
    • small, white, 5-petaled flowers in terminal clusters
    • 5 green, pointy sepals
    • sagebrush hills to alpine slopes, and especially on gravelly benches or talus
  • Scutellaria galericulata / marsh skullcap

    Scutellaria galericulata / marsh skullcap

    • riparian zones and wetlands
    • blue, trumpet shaped (legume) flowers; usually in pairs on same side of a stem
    • flowers not at the top of the stems
    • square stems, widely spaced opposite leaves; adjacent pairs at right angles
  • Sedum lanceolatum / lanceleaf stonecrop

    Sedum lanceolatum / lanceleaf stonecrop

    • bright yellow, star-shaped flowers (possible red tinge)
    • fleshy/succulent, small leaves (green, yellow or red)
    • open rocky outcrops, gravelly sites
    • drought tolerant
  • Senecio integerrimus / tall western groundsel

    Senecio integerrimus / tall western groundsel

    • early spring to early summer, often with larkspur
    • bright yellow flower head with several, disheveled looking blossoms
    • only 5-13 ray florets (petals)
    • cobwebby hairy basal leaves, especially when young
    • seasonally moist areas, from sagebrush to higher parts of the fen
  • Sisyrinchium idahoense / Idaho blue-eyed grass

    Sisyrinchium idahoense / Idaho blue-eyed grass

    • six blue, notched "petals" with yellow center
    • single flower; naked stem
    • narrow, grass-like, basal leaves
    • fens and wet meadows
  • Solanum physalifolium / ground cherry nightshade

    Solanum physalifolium / ground cherry nightshade

    • flowers look like potato or tomato flowers
    • small white, 5 recurved petals
    • clump of yellow stamens protrude from flower
    • triangular leaves with wedge-shaped bases
    • usually sprawling on ground
  • Stenotus acaulis / stemless goldenweed

    Stenotus acaulis / stemless goldenweed

    • very short, mat forming perennial yellow "daisy"
    • thin, lance-shaped leaves, pointing upward
    • yellow flower head with 6-15 ray florets, up to 50 disk florets
    • in dry, rocky, open-scrub habitats
  • Streptopus amplexifolius / white twisted-stalk

    Streptopus amplexifolius / white twisted-stalk

    • creeping herb
    • oval, clasping leaves; parallel veins; sharp tip
    • pronounced stem "kink" at each node gives twisted look
    • drooping, cream-colored flowers, 6 recurved tepals, borne singly
    • single, elongated red berries in fall
    • found in moist undergrowth
  • Symphiocarpos oreophilus / mountain snowberry

    Symphiocarpos oreophilus / mountain snowberry

    • small pink (or white) bell or funnel shaped flowers, singly or in pairs
    • shrub - upright or spreading
    • most visible in late summer when the white "berries" ripen
    • in the open or in canopy gaps; along the sides Forest Service roads
  • Tanacetum vulgare / tansy

    Tanacetum vulgare / tansy

    • yellow, somewhat flattened, button-like flowers
    • pretty clearly in the aster family
    • camphor-ish smell
    • finely divided, fern-like compound leaves
  • Taraxacum officinale / dandelion

    Taraxacum officinale / dandelion

    • rosette growth habit with lobed leaves
    • yellow dandelion-like flowers - composites with only ray florets
    • only one flower head per stem
    • characteristic puff-ball seedheads
    • found anywhere and anytime
  • Trifolium longipes / long-stalked clover

    Trifolium longipes / long-stalked clover

    • a (mostly) 3-leaf clover, leaves evenly colored
    • leaves long and narrow (not rounded), toothed (small) margins
    • leaves on long petioles
    • flower heads on long peduncles,