Johnsongrass Sorghum halepense (Linnaeus) PersoonNon-native  -  Invasive    Synonyms: Holcus halepensis, Johnson Grass.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Poales   >   Family Poaceae   >   Genus Sorghum   

Status:

"Introduced and naturalized from Eurasia; Syria; in tropical and warmer regions of both hemispheres; Massachusetts to Iowa and Kansas, south to Florida and Texas; west to southern California" (Reed, 1964).

Relationships:

Johnsongrass is a host plant for Eufala Skipper.

There are 103 records in the project database.

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Johnsongrass in Somerset Co., Maryland (10/20/2012). Johnsongrass is considered an invasive species that was introduced to the United States from the Mediterranean region. Photo by Jim Brighton. (MBP list)

Johnsongrass in Talbot Co., Maryland (7/5/2016). Photo by Wayne Longbottom. (MBP list)

Johnsongrass in Somerset Co., Maryland (10/20/2012). Photo by Jim Brighton. (MBP list)

Johnsongrass in Anne Arundel Co., Maryland (7/3/2017). Photo by Bill Harms. (MBP list)

Johnsongrass in Somerset Co., Maryland (10/20/2012). Photo by Jim Brighton. (MBP list)

Johnsongrass in Kent Co., Maryland (7/17/2016). Photo by Dan Small. (MBP list)

Johnsongrass in Somerset Co., Maryland (10/20/2012). Photo by Jim Brighton. (MBP list)

Johnsongrass in Talbot Co., Maryland (9/15/2016). Photo by Wayne Longbottom. (MBP list)

Johnsongrass in winter in Talbot Co., Maryland (1/1/2013). Photo by Bill Hubick. (MBP list)

Johnsongrass in Anne Arundel Co., Maryland (7/19/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Johnsongrass in Talbot Co., Maryland (11/12/2017). Photo by Bill Hubick. (MBP list)

Johnsongrass in Somerset Co., Maryland (8/28/2018). Photo by Wayne Longbottom. (MBP list)

Johnsongrass in Carroll Co., Maryland (9/19/2020). (c) tomfeild, some rights reserved (CC BY-NC). Photo by Tom Feild. (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/.