[Wildflowers of the Cascade Mountains of Oregon and Washington]


Horsetails of the Cascade Mountains of Oregon and Washington

Equisetaceae

Common Horsetail, Field Horsetail: Equisetum arvense

Common Horsetail, Field Horsetail: Equisetum arvense

Common Horsetail, Field Horsetail: Equisetum arvense -

Ferriss' Horsetail: Equisetum xferrissii (Synonym: Equisetum hyemale var. elatum) -

Swamp Horsetail, River Horsetail, Water Horsetail: Equisetum fluviatile (Synonym: Equisetum limosum) -

Common Scouring-rush, Common Scouring-rush, Scouring-rush Horsetail, Dutch Rush, Prairie Scouring-rush: Equisetum hyemale var. affine (Synonyms: Equisetum affine, Equisetum hyemale ssp. affine, Equisetum hyemale var. californicum, Equisetum hyemale var. pseudohyemale, Equisetum hyemale var. robustum, Equisetum praealtum, Equisetum robustum, Hippochaete hyemalis, Hippochaete hemalis ssp. affinis) -

Smooth Scouring Rush: Equisetum laevigatum (Synonyms: Equisetum funstonii, Equisetum kansanum) -

Marsh Horsetail: Equisetum palustre -

Woodland Horsetail, Wood Horsetail: Equisetum sylvaticum -

Giant Horsetail, Great Horsetail: Equisetum telmateia var. braunii (Synonym: Equisetum maximum) -


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