Lake 22 Research Natural Area (RNA), Snohomish County, Washington

List covers plants found along the trail to Lake 22, and around the lake itself, which is located south of the Mountain Loop Highway about sixteen miles east of Granite Falls.

September 1999 list by Laura Potash combined with earlier list by unknown author and later additions by Don Knoke. 101 spp.

These lists represent the work of different WNPS members over the years.

Their accuracy has not been verified by the Washington Native Plant Society.

We offer these lists to individuals as a tool to enhance the enjoyment and study of native plants.

* Introduced species

Scientific Name Common Name Plant Family

Abies amabilis / Pacific silver fir / Pinaceae
Acer circinatum / Vine maple / Aceraceae
Acer macrophyllum / Big-leaf maple / Aceraceae
Actaea rubra / Baneberry / Ranunculaceae
Adiantum pedatum / Maidenhair fern / Polypodiaceae
Alnus sinuata / Sitka alder / Betulaceae
Angelica sp. / Angelica / Apiaceae
Aquilegia formosa / Red columbine / Ranunculaceae
Arnica latifolia / Mountain arnica / Asteraceae
Aruncus sylvester / Goatsbeard / Rosaceae
Asarum caudatum / Wild ginger / Aristolochiaceae
Asplenium trichomanes / Maidenhair spleenwort / Polypodiaceae
Athyrium filix-femina / Lady fern / Polypodiaceae
Blechnum spicant / Deer fern / Polypodiaceae
Boykinia elata / Coast boykinia / Saxifragaceae
Caltha biflora / White marshmarigold / Ranunculaceae
Carex aquatilis / Water sedge / Cyperaceae
Carex deweyana / Dewey's sedge / Cyperaceae
Carex illota / Sheep sedge / Cyperaceae
Carex interior / Inland sedge / Cyperaceae
Carex luzulina / Woodrush sedge / Cyperaceae
Carex mertensii / Merten's sedge / Cyperaceae
Carex spectabilis / Showy sedge / Cyperaceae
Chamaecyparis nookatensis / Alaska cedar / Cupressaceae
Circaea alpina / Enchanter’s nightshade / Onagraceae
Circium edule / Horse thistle / Asteraceae
Cladothamnus pyroliflorus / Copperbush / Ericaceae
Clintonia uniflora / Queen's cup / Liliaceae
Coptis asplenifolia / Spleenwort-leaved goldthread / Ranunculaceae
Corallorhiza maculata / Spotted coral-root / Orchidaceae
Cornus canadensis / Bunchberry / Cornaceae
Cornus stolonifera / Red-osier dogwood / Cornaceae
Cryptogramma crispa / Parsley fern / Polypodiaceae
Cystopteris fragilis / Fragile fern / Polypodiaceae
Deschampsia atropurpurea / Mountain hairgrass / Poaceae
Deschampsia elongata / Slender hairgrass / Poaceae
Disporum hookeri / Hooker fairy-bell / Liliaceae
Dryopteris austriaca / Spreading wood-fern / Polypodiaceae
Elymus glaucus / Western ryegrass / Poaceae
Epilobium angustifolium / Fireweed / Onagraceae
Equisetum sp. / Horsetail / Equisetaceae
Erigeron peregrinus / Subalpine daisy / Asteraceae
Eriophorum gracile / Slender cottongrass / Cyperaceae
Gaultheria ovatifolia / Slender wintergreen / Ericaceae
Gymnocarpium dryopteris / Oak fern / Polypodiaceae
Habenaria saccata / Slender bog-orchid / Orchidaceae
Heracleum lanatum / Cow parsnip / Apiaceae
Hieracium gracile / Slender hawkweed / Asteraceae
Hypericum anagalloides / Bog St. John's wort / Hypericaceae
Juncus effusus / Soft rush / Juncaceae
Juncus ensifolius / Daggerleaf rush / Juncaceae
Leptarrhena pyrolifolia / Leatherleaf saxifrage / Saxifragaceae
Lilium columbianum / Tiger lily / Liliaceae
Listera caurina / Northwestern twayblade / Orchidaceae
Listera cordata / Heart-leaved twayblade / Orchidaceae
Luetkea pectinata / Partridge foot / Rosaceae
Luzula parviflora / Small-flowered woodrush / Juncaceae
Lycopodium clavatum / Running clubmoss / Lycopodiaceae
Lycopodium sitchense / Alaska clubmoss / Lycopodiaceae
Lysichiton americanum / Skunk cabbage / Araceae
Maianthemum dilatatum / False lily-of-the-valley / Liliaceae
Menziesia ferruginea / Fool's huckleberry / Ericaceae
Mimulus sp. / Monkey-flower / Scrophulariaceae
Moneses uniflora / Woodnymph / Ericaceae
Montia parvifolia / Streambank spring beauty / Portulacaceae
Montia siberica / Candyflower / Portulacaceae
Montia sp. / Montia / Portulacaceae
Oplopanax horridum / Devil's club / Araliaceae
Phyllodoce empetriformis / Red mountain heather / Ericaceae
Polygonum bistortoides / Mountain bistort / Polygonaceae
Prenanthes alata / Wetern rattlesnake-root / Asteraceae
Puccinellia pauciflora / Weak alkaligrass / Poaceae
Ranunculus repens* / Creeping buttercup / Ranunculaceae
Ribes bracteosum / Stink currant / Grossulariaceae
Rubus pedatus / Strawberry bramble / Rosaceae
Rubus spectabilus / Salmonberry / Rosaceae
Sambucus racemosa / Red elderberry / Caprifoliaceae
Sanguisorba sitchensis / Sitka burnet / Rosaceae
Saxifraga ferruginea / Rusty saxifrage / Saxifragaceae
Scirpus microcarpus / Small-flowered bulrush / Cyperaceae
Senecio triangularis / Arrowleaf groundsel / Asteraceae
Smilacina stellata / Star-flowered Solomon's seal / Liliaceae
Sorbus sitchensis / Sitka mountain-ash / Rosaceae
Spiraea densiflora / Rosy spirea / Rosaceae
Streptopus amplexifolius / Clasping-leaved twisted-stalk / Liliaceae
Streptopus roseus / Rosy twisted-stalk / Liliaceae
Tellima grandiflora / Fringecup / Saxifragaceae
Thelypteris phegopteris / Beech fern / Polypodiaceae
Tiarella trifoliata / Foamflower / Saxifragaceae
Tofieldia glutinosa / Bog lily / Liliaceae
Tolmiea menziesii / Youth-on-age / Saxifragaceae
Tsuga heterophylla / Western hemlock / Pinaceae
Tsuga mertensiana / Mountain hemlock / Pinaceae
Vaccinium alaskense / Alaska blueberry / Ericaceae
Vaccinium ovalifolium / Oval-leafed huckleberry / Ericaceae
Valeriana sitchensis / Sitka valerian / Valerianaceae
Veratrum viride / Green false hellebore / Liliaceae
Veronica americana / American brooklime / Scrophulariaceae
Veronica wormskjoldii / Alpine speedwell / Scrophulariaceae
Viola glabella / Stream violet / Violaceae
Viola palustris / Marsh violet / Violaceae
Viola sp. / Violet / Violaceae

Lake 22 RNA, Snohomish County, Washington

Plant List.WNPS Membership

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