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Equisetum telmateia Ehrh.

Giant Horsetail
Equisetaceae

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Protologue: Hannover. Mag. 21: 287 (1783)
Pronunciation: E-qui-sè-tum tel-ma-teì-a
Etymology: equus, horse + seta, bristle + Gr. telma or telmatos, swamp or pond

Jepson eFlora Treatment

Jepson eFlora Key to Equisetum

SD County Synoptic Voucher

Note: Equisetum telmateia subsp. braunii (J. Milde) Hauke occurs in our region.


Distribution:

Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  


Equisetum telmateia
Note the stout form and numerous lateral branches arising from base of sheath.
Images from iNat Observation 178308407.

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