Index / States / Oregon / Washington
§1County listing — Oregon
Washington County
Oregon
- FIPS
- 41067
- Taxa recorded
- 1,527
- State
- Oregon
Filter
Showing 1,501–1,527 of 1,527.
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Viola praemorsa Douglas ex Lindl. ssp. praemorsa Native VIPRPcanary violet · Violaceae -
Viola sempervirens Greene Native VISE3evergreen violet · Violaceae -
Viola sheltonii Torr. Native VISHShelton's violet · Violaceae -
Viola vallicola A. Nelson Native VIVAsagebrush violet · Violaceae - Viola vallicola A. Nelson var. vallicola Native VIVAVsagebrush violet · Violaceae
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Vulpia bromoides (L.) Gray Introduced VUBRbrome fescue · Poaceae -
Vulpia microstachys (Nutt.) Munro Native VUMIsmall fescue · Poaceae - Vulpia microstachys (Nutt.) Munro var. microstachys Native VUMIMdesert fescue · Poaceae
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Vulpia myuros (L.) C.C. Gmel. Introduced VUMYPoaceae -
Vulpia octoflora (Walter) Rydb. Native VUOCsixweeks fescue · Poaceae - Vulpia octoflora (Walter) Rydb. var. octoflora Native VUOCOsixweeks fescue · Poaceae
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Whipplea modesta Torr. Native WHMOcommon whipplea · Hydrangeaceae -
Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi Native WOBOnorthern watermeal · Lemnaceae -
Woodsia oregana D.C. Eaton Native WOOROregon cliff fern · Dryopteridaceae - Woodsia oregana D.C. Eaton ssp. oregana Native WOOROOregon cliff fern · Dryopteridaceae
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Wyethia amplexicaulis (Nutt.) Nutt. Native WYAMmule-ears · Asteraceae -
Wyethia angustifolia (DC.) Nutt. Native WYANCalifornia compassplant · Asteraceae -
Wyethia helianthoides Nutt. Native WYHE2sunflower mule-ears · Asteraceae -
Xanthium spinosum L. Introduced XASP2spiny cocklebur · Asteraceae -
Xanthium strumarium L. Native XASTrough cocklebur · Asteraceae - Xanthium strumarium L. var. canadense (Mill.) Torr. & A. Gray Native XASTCCanada cocklebur · Asteraceae
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Yabea microcarpa (Hook. & Arn.) Koso-Pol. Native YAMIfalse carrot · Apiaceae -
Zigadenus paniculatus (Nutt.) S. Watson Native ZIPA2foothill deathcamas · Liliaceae -
Zigadenus venenosus S. Watson Native ZIVEmeadow deathcamas · Liliaceae - Zigadenus venenosus S. Watson var. gramineus (Rydb.) Walsh ex M. Peck Native ZIVEGgrassy deathcamas · Liliaceae
- Zigadenus venenosus S. Watson var. venenosus Native ZIVEVmeadow deathcamas · Liliaceae
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Zizia aptera (A. Gray) Fernald Native ZIAPmeadow zizia · Apiaceae