A Common Rough Woodlouse in Harford Co., Maryland (1/19/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Caroline Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Baltimore Co., Maryland (12/16/2018). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (3/8/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (11/24/2017). Determined by Tristan Ombrelle/BugGuide. Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Queen Anne's Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Caroline Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)
Common Rough Woodlouse in Prince George's Co., Maryland (9/23/2017). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)
A Common Rough Woodlouse in Calvert Co., Maryland (3/4/2017). Photo by Bill Hubick. (MBP list)
A Common Rough Woodlouse in Anne Arundel Co., Maryland (12/22/2017). Photo by Bill Hubick. (MBP list)
A Common Rough Woodlouse in Frederick Co., Maryland (12/25/2019). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (1/5/2020). Photo by Dave Webb. (MBP list)
Common Rough Woodlouse in Prince George's Co., Maryland (9/23/2017). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)
A Common Rough Woodlouse in Anne Arundel Co., Maryland (2/6/2017). Photo by Bill Hubick. (MBP list)
A Common Rough Woodlouse in Calvert Co., Maryland (3/4/2017). Photo by Bill Hubick. (MBP list)
A Common Rough Woodlouse in Cecil Co., Maryland (1/24/2019). Verified by Ken Wolgemuth/BugGuide. Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Kent Co., Maryland (8/6/2021). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Washington Co., Maryland (7/31/2022). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in St. Mary's Co., Maryland (5/23/2023). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (12/8/2018). Photo by Dave Webb. (MBP list)
Common Rough Woodlouse in Baltimore Co., Maryland (6/4/2022). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). Photo by Jim Moore. (MBP list)
Common Rough Woodlouse in Dorchester Co., Maryland (2/25/2023). (c) Jim Brighton, some rights reserved (CC BY-NC). Photo by Jim Brighton. (MBP list)
A Common Rough Woodlouse in Charles Co., Maryland (6/17/2023). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Prince George's Co., Maryland (3/8/2015). Determined by Eric C. Maxwell/BugGuide. Photo by Jesse Christopherson. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (5/4/2018). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (7/27/2019). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Dorchester Co., Maryland (3/23/2021). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Charles Co., Maryland (8/24/2022). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Montgomery Co., Maryland (4/14/2023). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Baltimore Co., Maryland (1/12/2019). Determined by hisserdude/BugGuide. Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Anne Arundel Co., Maryland (5/19/2018). Photo by Bill Hubick. (MBP list)
A Common Rough Woodlouse in Garrett Co., Maryland (5/12/2023). Photo by Dave Webb. (MBP list)
Common Rough Woodlice in Baltimore Co., Maryland (5/18/2022). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Prince George's Co., Maryland (3/8/2015). Determined by Eric C. Maxwell/BugGuide. Photo by Jesse Christopherson. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (2/23/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)
A Common Rough Woodlouse in Harford Co., Maryland (6/25/2018). Photo by Dave Webb. (MBP list)
Common Rough Woodlouse in Baltimore Co., Maryland (10/29/2022). (c) A van den Beemt, some rights reserved (CC BY-NC). Photo by Adrienne van den Beemt. (MBP list)
Common Rough Woodlouse in Baltimore Co., Maryland (10/29/2022). (c) A van den Beemt, some rights reserved (CC BY-NC). Photo by Adrienne van den Beemt. (MBP list)
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Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.
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/.
