Japanese Bristlegrass Setaria faberi W. HerrmanNon-native  -  Invasive    Synonyms: Chinese Foxtail, Giant Foxtail, Japanese Foxtail, Nodding Foxtail.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Poales   >   Family Poaceae   >   Genus Setaria   

Status:

Japanese Bristlegrass is a common non-native grass of open weedy habitats across most of Maryland. It was introduced to the United States in the 1920s, and has since become established over much of the United States. It is considered a serious pest by corn producers.

Description:

Not easily confused with other Maryland grasses. The large nodding bright green seedheads are distinctive.

Where to find:

Roadsides and other open weedy areas.

Relationships:

An important food source for many seed eating birds during the cooler months.

There are 466 records in the project database.

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Japanese Bristlegrass in Queen Anne's Co., Maryland (8/5/2013). Photo by Dan Small. (MBP list)

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

Japanese Bristlegrass in Anne Arundel Co., Maryland (8/10/2011). Photo by Bill Harms. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (7/24/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (7/30/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (8/1/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Queen Anne's Co., Maryland (8/6/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Queen Anne's Co., Maryland (8/9/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Washington Co., Maryland (7/22/2013). Photo by Jim Stasz. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (10/3/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (7/4/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Baltimore City, Maryland (8/13/2016). Photo by Bill Hubick. (MBP list)

Japanese Bristlegrass in Dorchester Co., Maryland (7/31/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Dorchester Co., Maryland (7/31/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Talbot Co., Maryland (8/2/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Queen Anne's Co., Maryland (8/4/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Queen Anne's Co., Maryland (8/4/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (8/6/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Talbot Co., Maryland (8/9/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (8/10/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (8/16/2016). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Charles Co., Maryland (9/25/2014). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (10/4/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Worcester Co., Maryland (11/13/2016). Photo by Bill Hubick. (MBP list)

Japanese Bristlegrass in Wicomico Co., Maryland (9/17/2015). Photo by Jim Brighton. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (8/25/2019). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (9/27/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (9/27/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (9/27/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (9/27/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Anne Arundel Co., Maryland (9/27/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (11/29/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Bristlegrass in Caroline Co., Maryland (8/21/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)


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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.