Non-flowering

Scientific Name Equisetum scirpoides Michx. Family Equisetaceae Common Names dwarf scouring rush, sedgelike horsetail Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum arvense L. Family Equisetaceae Common Names common or field horsetail Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum pratense Ehrh. Family Equisetaceae Common Names meadow horsetail Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum laevigatum A. Braun Family Equisetaceae Common Names smooth scouring rush Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum variegatum Schleich. ex F. Weber & D. Mohr ssp. variegatum Family Equisetaceae Common Names northern scouring rush, variegated horsetail Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum fluviatile L. Family Equisetaceae Common Names swamp, water, or river horsetail Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum sylvaticum L. Family Equisetaceae Common Names wood horsetail, woodland horsetail Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.

Scientific Name Equisetum hyemale L. ssp. affine (Engelm.) Calder & Roy L. Taylor Family Equisetaceae Common Names common scouring rush, Dutch rush, prairie scouring rush Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.