Map Snapshot
188 Records
Seasonality Snapshot
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/. Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.
Spotted Knapweed in Caroline Co., Maryland (10/6/2012).
Media by
Jim Brighton.
Spotted Knapweed in Frederick Co., Maryland (7/24/2016). Note ribbed bracts with black, triangular tips.
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Media by
Jane Hill.
Spotted Knapweed, a very destructive invasive species, in Anne Arundel Co., Maryland (7/15/2012).
Media by
Bill Hubick.
Spotted Knapweed blooming in Anne Arundel Co., Maryland (6/9/2019).
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Media by
Matthew Beziat.
Spotted Knapweed leaves in Caroline Co., Maryland (10/6/2012).
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Media by
Jim Brighton.
Spotted Knapweed in Anne Arundel Co., Maryland (7/27/2011).
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Media by
Bill Harms.
Spotted Knapweed in Anne Arundel Co., Maryland (9/18/2010).
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Media by
Bill Harms.
Spotted Knapweed in Howard Co., Maryland (8/12/2017).
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Media by
James Frost.
Spotted Knapweed in Prince George's Co., Maryland (7/31/2020). (c) johnbotany, some rights reserved (CC BY-NC).
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Media by
John Hall.
Spotted Knapweed in Garrett Co., Maryland (7/12/2014).
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Media by
Bill Hubick.
Spotted Knapweed in Garrett Co., Maryland (9/18/2021). (c) johnbotany, some rights reserved (CC BY-NC).
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Media by
John Hall.