Giant Chickweed Myosoton aquaticum (Linnaeus) MoenchNon-native  -  Invasive    Synonyms: Stellaria aquatica, Water Chickweed.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Caryophyllales   >   Family Caryophyllaceae   >   Genus Myosoton   

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Giant Chickweed blooming in Montgomery Co., Maryland (7/21/2015). Photo by Jim Brighton. (MBP list)

Giant Chickweed blooming in Howard Co., Maryland (8/18/2014). Photo by Richard Orr. (MBP list)

Giant Chickweed blooming in Cecil Co., Maryland (6/26/2016). Photo by Jim Brighton. (MBP list)

Giant Chickweed in Baltimore Co., Maryland (8/17/2014). Photo by Jim Brighton. (MBP list)

Giant Chickweed in Anne Arundel Co., Maryland (9/9/2010). Photo by Bill Harms. (MBP list)

Giant Chickweed in Baltimore Co., Maryland (11/3/2018). (c) Charlie Davis, some rights reserved (CC BY-NC). Photo by Charlie Davis. (MBP list)

Giant Chickweed in Carroll Co., Maryland (7/4/2019). Photo by Wayne Longbottom. (MBP list)

Giant Chickweed in Harford Co., Maryland (7/1/2017). (c) Bill Hubick, all rights reserved. Photo by Bill Hubick. (MBP list)

Giant Chickweed in Montgomery Co., Maryland (4/29/2023). Photo by Carole Bergmann. (MBP list)

Giant Chickweed in Montgomery Co., Maryland (4/29/2023). Photo by Rob Soreng. (MBP list)

Giant Chickweed blooming in Howard Co., Maryland (7/8/2014). Photo by Joanne Solem. (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/.