PlantQuest Species List for Jefferson County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Agrostis pallens Poaceae seashore bentgrass subalpine or alpine; saltwater shores Jun, Jul, Aug
Apocynum androsaemifolium Apocynaceae flytrap dogbane; spreading dogbane western forest; eastern forest; shrub-steppe; freshwater Jun, Jul, Aug, Sep
Bidens cernua Asteraceae nodding beggar-ticks; bur-marigold freshwater Jul, Aug, Sep
Brasenia schreberi Cabombaceae watershield freshwater Jul, Aug, Sep
Calamagrostis nutkaensis Poaceae Nootka reedgrass prairie or bald; freshwater; saltwater shores
Calystegia lucana * Convolvulaceae large bindweed western forest; prairie or bald; disturbed areas Jun, Jul, Aug
Calystegia soldanella Convolvulaceae seashore false bindweed; beach morning-glory saltwater shores Apr, May, Jun, Jul, Aug, Sep
Carex arcta Cyperaceae northern clustered sedge freshwater Jun, Jul, Aug
Carex circinata Cyperaceae coiled sedge subalpine or alpine Jun, Jul, Aug
Castilleja ambigua Orobanchaceae paintbrush owl-clover saltwater shores Jun, Jul, Aug, Sep
Clarkia amoena Onagraceae farewell-to-spring prairie or bald May, Jun, Jul
Eleocharis macrostachya Cyperaceae creeping spikerush freshwater Jun, Jul, Aug, Sep
Eremogone capillaris var. americana Caryophyllaceae fescue sandwort; thread-leaved sandwort
Gamochaeta ustulata Asteraceae purple cudweed; spoon-leaf cudweed prairie or bald; disturbed areas Apr, May, Jun, Jul, Aug, Sep, Oct
Geranium dissectum * Geraniaceae cut-leaf crane's-bill western forest; disturbed areas Apr, May, Jun, Jul
Hosackia crassifolia var. crassifolia Fabaceae big deervetch May, Jun, Jul
Hosackia rosea Fabaceae rosy bird's-foot-trefoil western forest; freshwater May, Jun, Jul
Impatiens ecornuta Balsaminaceae spurless jewelweed western forest; eastern forest; freshwater Aug, Sep
Isoetes tenella Isoetaceae bristle-like quillwort; spiny spored quillwort freshwater [no flowers]
Lathyrus polyphyllus Fabaceae leafy peavine western forest; prairie or bald May, Jun, Jul
Lobelia dortmanna Campanulaceae water lobelia freshwater Jun, Jul, Aug
Morella californica Myricaceae Pacific bayberry; Pacific wax-myrtle freshwater; saltwater shores Apr, May
Myosotis sylvatica * Boraginaceae woodland forget-me-not western forest; eastern forest; subalpine or alpine; disturbed areas Jun, Jul, Aug
Myrica gale Myricaceae sweetgale freshwater Apr, May, Jun
Perideridia montana Apiaceae mountain yampah western forest; eastern forest; prairie or bald; shrub-steppe Jul, Aug, Sep
Plagiobothrys scouleri Boraginaceae Scouler's popcorn-flower western forest; eastern forest; prairie or bald; freshwater May, Jun, Jul, Aug
Populus trichocarpa Salicaceae black cottonwood western forest; eastern forest; shrub-steppe; freshwater Apr, May, Jun
Potamogeton gramineus Potamogetonaceae grassy pondweed; variable pondweed freshwater Jun, Jul, Aug
Potamogeton richardsonii Potamogetonaceae clasping-leaved pondweed; Richardson's pondweed freshwater Jun, Jul, Aug
Primula hendersonii Primulaceae broad-leaved shooting star; Henderson's shooting star western forest; prairie or bald Mar, Apr, May, Jun
Puccinellia pumila Poaceae small alkaligrass saltwater shores Jun, Jul, Aug
Ranunculus aquatilis var. diffusus Ranunculaceae water buttercup
Ranunculus flammula var. reptans Ranunculaceae creeping spearwort
Rumex salicifolius var. transitorius Polygonaceae narrow-leaved dock; Pacific willow dock prairie or bald; saltwater shores May, Jun, Jul
Solidago elongata Asteraceae Cascade Canada goldenrod; West Coast goldenrod eastern forest; prairie or bald Jul, Aug, Sep
Spergula arvensis * Caryophyllaceae corn spurry disturbed areas May, Jun, Jul
Tanacetum bipinnatum Asteraceae camphor tansy; dune tansy saltwater shores May, Jun, Jul, Aug, Sep
Trifolium pratense * Fabaceae red clover western forest; eastern forest; prairie or bald; shrub-steppe; freshwater; disturbed areas Jun, Jul, Aug
Veronica schizantha Plantaginaceae fringe-petal kittentails; fringed kittentails western forest May, Jun
Viburnum edule Adoxaceae squashberry western forest; eastern forest; freshwater 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.