PlantQuest Species List for Lewis County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Agrostis capillaris * Poaceae colonial bentgrass prairie or bald; freshwater; disturbed areas Jun, Jul, Aug
Anemone oregana var. oregana Ranunculaceae Oregon anemone; western wood anemone Mar, Apr, May, Jun
Arrhenatherum elatius * Poaceae bulbous oatgrass western forest; eastern forest; freshwater; disturbed areas May, Jun, Jul
Bromus diandrus * Poaceae great brome; ripgut brome; ripgut grass prairie or bald; disturbed areas Apr, May, Jun
Calyptridium umbellatum Montiaceae pussypaws eastern forest; subalpine or alpine Jun, Jul, Aug
Carex aperta Cyperaceae Columbia sedge freshwater May, Jun, Jul
Carex canescens Cyperaceae silvery sedge subalpine or alpine; freshwater Jun, Jul, Aug
Carex cusickii Cyperaceae Cusick's sedge freshwater May, Jun, Jul, Aug
Clarkia amoena Onagraceae farewell-to-spring prairie or bald May, Jun, Jul
Comarum palustre Rosaceae marsh cinquefoil; purple marshlocks subalpine or alpine; freshwater Jun, Jul, Aug
Epilobium glandulosum Onagraceae ciliate willow-herb western forest; eastern forest; subalpine or alpine; freshwater Jun, Jul, Aug
Equisetum palustre Equisetaceae marsh horsetail freshwater [no flowers]
Erigeron speciosus Asteraceae showy daisy; showy fleabane; splendid fleabane western forest; eastern forest; prairie or bald Jun, Jul, Aug
Erythronium oregonum Liliaceae deer's tongue; giant fawn-lily; wild easter lily western forest; prairie or bald Mar, Apr, May
Festuca idahoensis Poaceae bluebunch fescue; Idaho fescue eastern forest; subalpine or alpine; shrub-steppe May, Jun, Jul
Hirschfeldia incana * Brassicaceae Mediterranean hoary mustard; short-podded mustard; summer mustard disturbed areas Apr, May, Jun, Jul, Aug, Sep, Oct
Hypericum perforatum * Hypericaceae common St. John's wort; Klamath weed western forest; eastern forest; prairie or bald; freshwater; disturbed areas Jun, Jul, Aug
Koeleria macrantha Poaceae Koeler's prairie grass; prairie Junegrass western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe May, Jun, Jul
Lupinus lepidus var. lobbii Fabaceae subalpine or alpine Jun, Jul, Aug
Micranthes integrifolia Saxifragaceae Columbian saxifrage; swamp saxifrage; whole-leaf saxifrage western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe; freshwater Mar, Apr, May, Jun, Jul
Microseris laciniata Asteraceae cut-leaved microseris prairie or bald May, Jun, Jul
Oreostemma alpigenum var. alpigenum Asteraceae alpine aster; tundra mountaincrown Jul, Aug
Pedicularis rainierensis Orobanchaceae Mt. Rainier lousewort subalpine or alpine Jul, Aug
Persicaria amphibia Polygonaceae water smartweed freshwater Jun, Jul, Aug, Sep, Oct
Phleum alpinum Poaceae mountain timothy subalpine or alpine; freshwater Jun, Jul, Aug
Poa palustris * Poaceae fowl bluegrass western forest; eastern forest; freshwater May, Jun, Jul, Aug
Polemonium elegans Polemoniaceae elegant Jacob's-ladder; elegant polemonium subalpine or alpine Jun, Jul, Aug, Sep
Rainiera stricta Asteraceae false silverback eastern forest; subalpine or alpine Jul, Aug, Sep
Ranunculus occidentalis Ranunculaceae western buttercup western forest; eastern forest; prairie or bald Mar, Apr, May, Jun
Ranunculus occidentalis var. occidentalis Ranunculaceae western buttercup Apr, May, Jun
Sabulina rubella Caryophyllaceae boreal stitchwort subalpine or alpine Jun, Jul, Aug
Saxifraga mertensiana Saxifragaceae Merten's saxifrage; woodland saxifrage western forest; eastern forest; freshwater Apr, May, Jun, Jul, Aug
Scirpus cyperinus * Cyperaceae cotton-grass bulrush freshwater Jul, Aug
Sibbaldia procumbens Rosaceae creeping-glow-wort; creeping sibbaldia subalpine or alpine Jun, Jul, Aug
Stellaria calycantha Caryophyllaceae northern bog starwort May, Jun, Jul, Aug
Thalictrum occidentale Ranunculaceae western meadow-rue western forest; eastern forest May, Jun, Jul, Aug
Toxicoscordion venenosum Melanthiaceae meadow death-camas; deadly zygadene eastern forest; prairie or bald; shrub-steppe Apr, May, Jun
Trifolium willdenovii Fabaceae sand clover; tomcat clover western forest; prairie or bald Apr, May, Jun, Jul
Veronica wormskjoldii Plantaginaceae American alpine speedwell subalpine or alpine; freshwater Jul, Aug, Sep
Viburnum ellipticum Adoxaceae western blackhaw; oval-leaved viburnum western forest; eastern forest May, Jun
Viola nuttallii var. praemorsa Violaceae canary violet; upland yellow violet western forest; eastern forest; prairie or bald; shrub-steppe Apr, May, Jun, Jul

Generated on 2025-03-15.   Data from Consortium of PNW Herbaria and Burke Herbarium Image Collection.

More information on the PlantQuest Image Project can be found at https://burkeherbarium.org/imagecollection/plantquest.php.