Maryland Biodiversity Project - Field Horsetail (Equisetum arvense)

Field Horsetail Equisetum arvense Linnaeus

Kingdom Plantae > Division Equisetophyta > Class Equisetopsida > Order Equisetales > Family Equisetaceae > Genus Equisetum Field Horsetail - Equisetum arvense - https://www.marylandbiodiversity.com/view/3878

"Eurasia; North America, south to Virginia, Missouri, Nebraska, Colorado and northern California" (Reed, 1964).

There are 328 records in the project database.

Field Horsetail in Kent Co., Maryland (4/27/2014). Photo by Bill Hubick. (MBP list)

Field Horsetail in Garrett Co., Maryland (5/6/2019). Photo by Jim Stasz. (MBP list)

Reproductive bodies of Field Horsetail in Howard Co., Maryland (4/15/2012). Photo by Bonnie Ott. (MBP list)

Field Horsetail in Baltimore Co., Maryland (4/24/2014), showing both fertile and sterile stems. Photo by Scott Housten. (MBP list)

Field Horsetail in Garrett Co., Maryland (5/3/2015). Photo by Jim Stasz. (MBP list)

Field Horsetail in Garrett Co., Maryland (6/1/2014). Photo by Jim Stasz. (MBP list)

Field Horsetail growing in Worcester Co., Maryland (3/27/2016). Photo by Dan Small. (MBP list)

Field Horsetail in Anne Arundel Co., Maryland (3/28/2011). Emerging stage. Photo by Bill Harms. (MBP list)

Field Horsetail in Dorchester Co., Maryland (5/9/2015). Photo by Jim Brighton. (MBP list)

Field Horsetail growing in Garrett Co., Maryland (5/27/2020). Photo by Mark Eanes. (MBP list)

Field Horsetail in Baltimore Co., Maryland (4/27/2021). (c) the swamp ass, some rights reserved (CC BY). Photo by swamp ass via iNaturalist. (MBP list)

Field Horsetail in Baltimore Co., Maryland (4/28/2019). (c) laurabankey, some rights reserved (CC BY-NC). Photo by laurabankey via iNaturalist. (MBP list)

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