PlantQuest Species List for Franklin County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Alhagi maurorum * Fabaceae camelthorn shrub-steppe; disturbed areas Jun, Jul, Aug
Amaranthus retroflexus * Amaranthaceae redroot pigweed; rough pigweed disturbed areas Jul, Aug, Sep, Oct
Amsinckia intermedia Boraginaceae fireweed fiddleneck; rancher's fiddleneck eastern forest; prairie or bald; shrub-steppe Apr, May, Jun
Anthemis cotula * Asteraceae mayweed chamomile; stinking chamomile; dogfennel disturbed areas May, Jun, Jul, Aug, Sep, Oct
Balsamorhiza rosea Asteraceae rosy balsamroot eastern forest; shrub-steppe Apr, May
Balsamorhiza sagittata Asteraceae arrowleaf balsamroot eastern forest; shrub-steppe Apr, May, Jun, Jul
Bidens cernua Asteraceae nodding beggar-ticks; bur-marigold freshwater Jul, Aug, Sep
Calochortus macrocarpus var. macrocarpus Liliaceae sagebrush mariposa lily
Carex douglasii Cyperaceae Douglas's sedge shrub-steppe; freshwater Apr, May, Jun
Carex praegracilis Cyperaceae clustered field sedge eastern forest; freshwater May, Jun, Jul, Aug
Centaurea solstitialis * Asteraceae yellow star-thistle eastern forest; shrub-steppe; disturbed areas Jul, Aug, Sep
Centromadia pungens ssp. pungens * Asteraceae common spikeweed; western spikeweed
Claytonia perfoliata Montiaceae miner's lettuce western forest; eastern forest; prairie or bald; shrub-steppe; saltwater shores Apr, May, Jun
Clematis ligusticifolia Ranunculaceae western clematis eastern forest; shrub-steppe; freshwater Jun, Jul, Aug, Sep
Collomia grandiflora Polemoniaceae large-flowered collomia; large-flower mountain-trumpet eastern forest; prairie or bald; shrub-steppe May, Jun, Jul, Aug
Collomia linearis Polemoniaceae narrow-leaf collomia; narrow-leaf mountain-trumpet western forest; eastern forest; shrub-steppe; disturbed areas May, Jun, Jul, Aug
Crataegus douglasii Rosaceae black hawthorn; Douglas's hawthorn western forest; eastern forest; prairie or bald; shrub-steppe; freshwater May, Jun
Dieteria canescens var. incana Asteraceae tall hoary-aster; hoary-aster
Equisetum arvense Equisetaceae common horsetail; field horsetail western forest; eastern forest; freshwater; disturbed areas [no flowers]
Eriogonum heracleoides Polygonaceae bractless parsnip-flowered wild buckwheat; parsnip-flowered buckwheat; parsnip-flowered eriogonum eastern forest; shrub-steppe May, Jun, Jul
Erythranthe guttata Phrymaceae seep monkey-flower; yellow monkey-flower western forest; eastern forest; subalpine or alpine; shrub-steppe; freshwater Mar, Apr, May, Jun, Jul, Aug, Sep
Iris missouriensis Iridaceae western blue flag; Rocky Mountain iris freshwater May, Jun, Jul
Juncus torreyi Juncaceae Torrey's rush freshwater Jun, Jul, Aug
Lupinus sericeus Fabaceae silky lupine eastern forest; shrub-steppe May, Jun, Jul, Aug
Lupinus sulphureus Fabaceae sulfur lupine; Bingen lupine eastern forest; shrub-steppe Apr, May, Jun
Malva neglecta * Malvaceae dwarf mallow disturbed areas May, Jun, Jul, Aug, Sep
Matricaria discoidea Asteraceae pineapple weed disturbed areas May, Jun, Jul, Aug, Sep
Melilotus officinalis * Fabaceae yellow sweet-clover eastern forest; prairie or bald; shrub-steppe; disturbed areas May, Jun, Jul, Aug, Sep
Nasturtium officinale * Brassicaceae watercress freshwater May, Jun, Jul, Aug, Sep
Persicaria amphibia Polygonaceae water smartweed freshwater Jun, Jul, Aug, Sep, Oct
Poa pratensis Poaceae Kentucky bluegrass western forest; eastern forest; prairie or bald; shrub-steppe; freshwater; disturbed areas Apr, May, Jun, Jul, Aug, Sep, Oct
Ranunculus glaberrimus var. glaberrimus Ranunculaceae sagebrush buttercup Mar, Apr, May, Jun
Rosa woodsii Rosaceae pearhip rose eastern forest; shrub-steppe; freshwater May, Jun, Jul
Salix lasiandra var. caudata Salicaceae gland willow; Pacific willow; shining willow
Schoenoplectus americanus Cyperaceae American three-square bulrush; Olney's three-square bulrush freshwater; saltwater shores Jun, Jul, Aug
Secale cereale * Poaceae cultivated rye disturbed areas May, Jun, Jul
Stellaria media * Caryophyllaceae common chickweed prairie or bald; disturbed areas Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov-Feb
Symphoricarpos albus Caprifoliaceae common snowberry western forest; eastern forest; prairie or bald May, Jun, Jul, Aug
Symphyotrichum bracteolatum Asteraceae bracted aster; Eaton's aster; Oregon aster freshwater Jul, Aug, Sep
Toxicoscordion paniculatum Melanthiaceae sand corn; panicled death-camas eastern forest; shrub-steppe Mar, Apr, May, Jun, Jul
Trifolium repens * Fabaceae Dutch clover; white clover western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe; freshwater; disturbed areas May
Verbena hastata Verbenaceae wild hyssop; blue verbena freshwater; disturbed areas Jul, Aug, Sep

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.