Equisetum hyemale var. affine (Engelm.) A.A.Eaton

• Region

  North America

• Country

  United States of America

• State/Province

  Louisiana

• County/Municipio

  Pointe Coupee Parish

• Locality

  Along the E side of a road below an artificial levee, & at the intersection with a gas line right-of-way, to the E side of the Atchafalaya river, about 0.25 mi N of the Rt. 190 bridge.

• Elevation

  Alt. 8 m. (26 ft.)

• Coordinates

  30.5512, -91.748

• Distribution

  Map all specimens of this taxon

03511135
Harvard University, Gray Herbarium (GH)
PLANTS OF LOUISIANA
Equisetum hyemale L.
EQUISETACEAE
Stems to 6ft tall, locally abundant, forming a nearly pure
colony about 20ft in diameter. At the edge of a swamp forest
in damp silty clay-loam (Convent soils; coarse-silty, mixed,
superactive, nonacid, thermic Fluvaquentic Endoaquepts).
Growing with Acer negundo, Ambrosia trifida, Ampelopsis
arborea, Andropogon glomeratus, Campsis radicans, Celtis
laevigata, Comus foemina, Desmodium perplexum,
Elephantopus carolinianus, Eupatorium coelestinum,
Fraxinus pensylvanica, Platanus occidentalis, Quercus
laurifolia, Q. nigra, Rubus trivialis, Sapium sebiferum, Smilax
rotundifolia (?), Solanum carolinianum, Solidago altissima,
Spilanthes americana (?), Taxodium distichum, &
Toxicodendron radicans. Along the E side of a road below an
artificial levee, & at the intersection with a gas line right-of-
way, to the E side of the Atchafalaya River, about 0.25mi N
of the Rt. 190 bridge. Pointe Coupee Parish. Elev. about
25ft. 30° 33' 04.2"N, 91° 44’ 52.8"W; UTM 15R 620084E,
3380530N (NAD83/W GS84).
Coll. Doug Goldman #4039
23 September 2008