Equisetum hyemale

Characteristics

Pteridophytes
EQUISETACEAE
Equisetum
Equisetum hyemale L. var. affine (Engelm.)A.A.Eaton
SCOURING-RUSH
**
The recognition of this taxon at the species level as Equisetum prealtum has been advocated (Christenhusz et al. 2019).
Native FACW (NWPL) FACW (DEP)
View details of Herbarium specimens
** Not applicable or data not available.

Classification

EQUISETALES
EQUISETACEAE
Equisetum
Equisetum hyemale L. var. affine (Engelm.)A.A.Eaton - SCOURING-RUSH

Citation

EQUISETUM HYEMALE Linnaeus, var. AFFINE (Engelmann) A. A. Eaton, Fern Bull. 11: 75, 111. 1903.
Equisetum robustum A. Braun ex Engelmann, var. affine Engelmann 1844.
MISSOURI: Near St. Louis, banks of Mississippi River near Jefferson Barracks, Aug 1843, Engelmann s.n. (holotype: MO).
** Not applicable or data not available.

Species Distribution Map

Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.

Source

Synonyms

Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Range of years during which specimens were collected:

Plant Photos

Equisetum hyemale var. affine - 70
Equisetum hyemale var. affine - Dennis Woodland View Full Size
Equisetum hyemale var. affine - 270
Equisetum hyemale var. affine - Shirley Denton View Full Size
Equisetum hyemale var. affine - 270
Equisetum hyemale var. affine - Shirley Denton View Full Size
Equisetum hyemale var. affine - 69
Equisetum hyemale var. affine - Dennis Girard View Full Size
Equisetum hyemale var. affine - 69
Equisetum hyemale var. affine - Dennis Girard View Full Size
Equisetum hyemale var. affine - 270
Equisetum hyemale var. affine - Shirley Denton View Full Size
Equisetum hyemale var. affine - 159
Equisetum hyemale var. affine - Keith Bradley View Full Size