Native Plants
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Equisetum ×ferrissii
Equisetum ×ferrissii Clute (pro sp.)
Ferriss' Horsetail, Ferris Horsetail, Intermediate Horsetail
Equisetaceae (Horsetail family)
Synonym(s): Equisetum hyemale var. elatum, Equisetum hyemale var. intermedium, Equisetum intermedium
USDA Symbol: EQFE
USDA Native Status: L48 (N), CAN (N)
Natural hybrid of Equisetum hyemale and E. laevigatum.
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Herb , Fern
Fruit Type: Cone
Size Notes: Up to about 6 feet tall.
Bloom Information
Bloom Color: Not ApplicableBloom Notes: Non-flowering, sporulating plant. Cones mature late spring to early summer, producing sterile spores.
Distribution
USA: AR , AZ , CA , CO , CT , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SD , TN , TX , UT , VA , VT , WA , WI , WV , WYCanada: AB , BC , ON , QC , SK
Native Habitat: Moist lakeshores, riverbanks, roadsides, prairies.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FACW | FACW | FACW | FACW | FACW | FACW |
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Equisetum ×ferrissii in USDA PlantsFNA: Find Equisetum ×ferrissii in the Flora of North America (if available)
Google: Search Google for Equisetum ×ferrissii
Metadata
Record Modified: 2022-05-04Research By: CBR