⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.

The new version is available at http://www.worldfloraonline.org. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.

The genus Equisetum is in the family Equisetaceae in the major group Pteridophytes (Ferns and fern allies).

Statistics are at the end of the page.

Species in Equisetum

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See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Equisetum alaskanum J.P. Anderson	Unresolved		TRO	2012-04-18
Equisetum arcticum Rupr.	Unresolved		TRO	2012-04-18
Equisetum arvense L.	Accepted		TRO	2012-04-18
Equisetum bogotense Kunth	Accepted		TRO	2012-04-18
Equisetum californicum (Milde) G.N. Jones	Accepted		TRO	2012-04-18
Equisetum diffusum D. Don	Accepted		TRO	2012-04-18
Equisetum elongatum Willd.	Unresolved		TRO	2012-04-18
Equisetum × ferrissii Clute	Accepted		TRO	2012-04-18
Equisetum fluviatile L.	Accepted		TRO	2012-04-18	1
Equisetum fontinale Copel.	Unresolved		TRO	2012-04-18
Equisetum giganteum L.	Accepted		TRO	2012-04-18
Equisetum × haukeanum Mickel & A.R. Sm.	Accepted		TRO	2012-04-18
Equisetum hyemale L.	Accepted		WCSP (in review)	2012-03-23	3
Equisetum intermedium Rydb.	Unresolved		TRO	2012-04-18
Equisetum komarovii Iljin	Unresolved		TRO	2012-04-18
Equisetum laevigatum A. Braun	Accepted		TRO	2012-04-18	1
Equisetum × litorale Kühlew. ex Rupr.	Accepted		TRO	2012-04-18
Equisetum litorale Kühlew. ex Rupr.	Unresolved		TRO	2012-04-18
Equisetum lyi H. Lév.	Unresolved		TRO	2012-04-18
Equisetum × mackaii (Newman) Brichan	Accepted		TRO	2012-04-18
Equisetum maximum Lam.	Unresolved		TRO	2012-04-18
Equisetum × mildeanum Rothm.	Unresolved		TRO	2012-04-18
Equisetum montanum Raf.	Unresolved		TRO	2012-04-18
Equisetum × moorei Newman	Accepted		TRO	2012-04-18
Equisetum myriochaetum Schltdl. & Cham.	Accepted		TRO	2012-04-18
Equisetum nelsonii J.H. Schaffn.	Unresolved		TRO	2012-04-18
Equisetum × nelsonii (A.A. Eaton) J.H. Schaffn.	Accepted		TRO	2012-04-18
Equisetum palustre L.	Accepted		TRO	2012-04-18
Equisetum pratense Ehrh.	Accepted		TRO	2012-04-18
Equisetum ramosissimum Desf.	Accepted		TRO	2012-04-18	1
Equisetum ramosum DC.	Unresolved		TRO	2012-04-18
Equisetum ripense Nakai & F. Maek.	Unresolved		TRO	2012-04-18
Equisetum robustum A. Braun ex Engelm.	Accepted		TRO	2012-04-18
Equisetum × schaffneri Milde	Accepted		TRO	2012-04-18
Equisetum scirpoides Michx.	Accepted		TRO	2012-04-18
Equisetum sieboldi Milde	Unresolved		TRO	2012-04-18
Equisetum sylvaticum L.	Accepted		TRO	2012-04-18
Equisetum telmateia Ehrh.	Accepted		TRO	2012-04-18	1
Equisetum × torgesianum Rothm.	Unresolved		TRO	2012-04-18
Equisetum trachyodon (A. Braun) W.D.J. Koch	Accepted		TRO	2012-04-18
Equisetum variegatum Schleich. ex F. Weber & D. Mohr	Accepted		TRO	2012-04-18	1

Statistics

The Plant List includes 67 scientific plant names of species rank for the genus Equisetum. Of these 25 are accepted species names.

The Plant List includes a further 43 scientific plant names of infraspecific rank for the genus Equisetum. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 67 species names for the genus Equisetum recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	25	37.3%
◕	Synonym	26	38.8%
◕	Unplaced	0	0%
◕	Unassessed	16	23.9%

All names

The status of the 110 names (including infraspecific names) for the genus Equisetum recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	32	29.1%
◕	Synonym	61	55.5%
◕	Unplaced	0	0%
◕	Unassessed	17	15.5%

The confidence with which the status of the 67 species names recorded in The Plant List for the genus Equisetum, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	25	25	0	0	50	74.6%
	Low confidence	0	1	0	16	17	25.4%

The source of the species name records found in The Plant List for the genus Equisetum is as follows: