Equisetum arvense L., Field or Common Horsetail
Synonymy: Equisetum calderi Brown; Equisetum arvense L. var. alpestre Wahlenb.; Equisetum arvense L. var. boreale (Bong.) Rupr.; Equisetum arvense L. var. campestre Wahlenb.; Equisetum arvense L. var. riparium Farw.
Lower Taxa: none
Origin: Native, eastern North America
Habit: Perennial, forb
Habitat: Open, moist to dry sandy to sterile soils, including cinders
Range: Most New Jersey counties; but not common in the Pine Barrens; VR, HL, P, CP-I/O; N and S; CM
Rank/Status: G5, S4/5; none
Wetland Status: FAC
Flowering & Reproduction: Fertile stems and spore production March through June, sterile stems from creeping rhizomes
Comments: Perennial from tuber forming rootstocks; sheaths with approximately 12 brown, accuminate teeth; blunt-tipped cones. Fertile stems appear before sterile, whorl-branched ones. An extremely variable species. The common roadside species.
Reference Specimen: (To be added).