PlantQuest Species List for Mason County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Abronia latifolia Nyctaginaceae yellow sand verbena saltwater shores May, Jun, Jul, Aug
Agrostis capillaris * Poaceae colonial bentgrass prairie or bald; freshwater; disturbed areas Jun, Jul, Aug
Agrostis gigantea * Poaceae black bentgrass freshwater; disturbed areas Jun, Jul, Aug, Sep
Anemone oregana var. felix Ranunculaceae Oregon anemone; western wood anemone Mar, Apr, May, Jun
Angelica lucida Apiaceae seacoast angelica; sea-watch freshwater; saltwater shores Jul, Aug, Sep
Armeria maritima Plumbaginaceae sea-pink; thrift prairie or bald; saltwater shores Mar, Apr, May, Jun, Jul
Bellis perennis * Asteraceae English daisy; lawn daisy prairie or bald; disturbed areas Mar, Apr, May, Jun, Jul, Aug, Sep
Bolboschoenus maritimus ssp. paludosus Cyperaceae saltmarsh bulrush; seacoast bulrush
Boykinia intermedia Saxifragaceae greater boykinia; Sierran brookfoam western forest Jun, Jul, Aug
Cakile edentula * Brassicaceae American sea-rocket saltwater shores May, Jun, Jul, Aug, Sep, Oct
Cakile maritima * Brassicaceae European sea-rocket; sea-rocket saltwater shores May, Jun, Jul, Aug, Sep, Oct
Cardamine breweri Brassicaceae Brewer's bittercress freshwater Apr, May, Jun, Jul, Aug
Cardionema ramosissimum Caryophyllaceae sandcarpet; sandmat saltwater shores Jun, Jul, Aug
Carex echinata ssp. phyllomanica Cyperaceae coastal star sedge May, Jun, Jul
Carex macrocephala Cyperaceae bighead sedge saltwater shores Jun, Jul
Castilleja miniata var. dixonii Orobanchaceae Dixon's paintbrush saltwater shores May, Jun, Jul, Aug
Cotoneaster franchetii * Rosaceae franchet's cotoneaster; orange cotoneaster western forest; prairie or bald May, Jun
Fragaria chiloensis Rosaceae beach strawberry; coastal strawberry saltwater shores Apr, May, Jun
Glehnia leiocarpa Apiaceae American glehnia saltwater shores May, Jun, Jul
Honckenya peploides Caryophyllaceae sea purslane; seabeach sandwort saltwater shores May, Jun, Jul, Aug, Sep
Juncus hesperius Juncaceae bog rush; coastal rush freshwater May, Jun, Jul, Aug
Juncus supiniformis Juncaceae hair-leaved rush; spreading rush freshwater Jul, Aug, Sep
Lathyrus japonicus Fabaceae beach pea saltwater shores May, Jun, Jul, Aug, Sep
Lathyrus littoralis Fabaceae beach peavine; silky beach vetchling saltwater shores May, Jun, Jul
Lepidium virginicum ssp. menziesii Brassicaceae coastal peppergrass; hairy peppergrass eastern forest; prairie or bald; shrub-steppe Apr, May, Jun
Lupinus littoralis Fabaceae seashore lupine saltwater shores May, Jun, Jul, Aug
Myrica gale Myricaceae sweetgale freshwater Apr, May, Jun
Poa macrantha Poaceae sand-dune bluegrass saltwater shores Apr, May, Jun, Jul
Podagrostis aequivalvis Poaceae Alaska bent; arctic bent western forest; subalpine or alpine; freshwater May, Jun, Jul
Polygonum paronychia Polygonaceae beach knotweed; black knotweed saltwater shores May, Jun, Jul, Aug, Sep
Polypodium scouleri Polypodiaceae leathery polypody; Scouler's polypody western forest [no flowers]
Pseudosasa japonica * Poaceae Japanese bamboo western forest; disturbed areas
Rosa rugosa * Rosaceae rugosa rose saltwater shores; disturbed areas Jun, Jul, Aug, Sep
Schoenoplectus pungens Cyperaceae chairmaker's club-rush; common three-square freshwater May, Jun, Jul, Aug
Sidalcea hendersonii Malvaceae Henderson's checker-mallow freshwater; saltwater shores Jun, Jul, Aug
Stachys mexicana Lamiaceae Mexican hedge-nettle western forest; eastern forest Jun, Jul, Aug
Thermopsis montana var. ovata Fabaceae slender goldenbanner
Trisetum cernuum Poaceae nodding trisetum western forest; eastern forest; freshwater May, Jun, Jul
Veronica schizantha Plantaginaceae fringe-petal kittentails; fringed kittentails western forest May, Jun
Vulpia bromoides * Poaceae brome fescue shrub-steppe; saltwater shores Apr, May, Jun

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.