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Ferriss' horsetail
Equisetum X ferrissii
Ferriss' horsetail horsetails
Equisetum × ferrissii Equisetaceae
--more--
common name
  Ferriss' horsetail
accepted scientific name
  Equisetum × ferrissii Clute (pro sp.)
rules for finding collection records
  Equisetum × ferrissii (932)
  Equisetum ferrissii (403)
  Equisetum hyemale elatum (60)
  Equisetum hyemale intermedium (50)
family name
  Equisetaceae
Image Author: ©2012 "sylvain.collet"
Image License: CC BY
Image Source
Category: Fern-like Plants
Fern Category: Horsetail
Plant Observed beginning of April thru end of October

How Likely at this Location (26%)
Name Match (100%)
Plant Showiness (27%)
(Equisetum hyemale × Equisetum laevigatum)
Links to Plant Photos
Paul Slichter (7)
G.D.Carr (11)
S. Rocky Mountains (1)
base map where plant found
mag select

Riparian
Disturbed
Forest
Sand
Grassland
grid lines base