Bull Thistle Cirsium vulgare (Savi) TenoreNon-native  -  Invasive    Synonyms: Carduus lanceolatus, Cirsium lanceolatum.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Asterales   >   Family Asteraceae   >   Genus Cirsium   
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Bull Thistle in Garrett Co., Maryland (9/6/2009). Photo by Jim Brighton. (MBP list)

Bull Thistle bloom in Garrett Co., Maryland (9/6/2009). Photo by Jim Brighton. (MBP list)

Bull Thistle in Charles Co., Maryland (9/25/2016). Photo by Wayne Longbottom. (MBP list)

Bull Thistle in Anne Arundel Co., Maryland (7/27/2011). Photo by Bill Harms. (MBP list)

Bull Thistle in Dorchester Co., Maryland (8/1/2020). Photo by Jim Brighton. (MBP list)

Bull Thistle in Anne Arundel Co., Maryland (7/27/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat. (MBP list)

Bull Thistle in Howard Co., Maryland (5/22/2021). (c) bbirdsong, some rights reserved (CC BY-NC). Photo by bbirdsong via iNaturalist. (MBP list)

Bull Thistle in Frederick Co., Maryland (8/28/2016). Photo by Bill Hill. (MBP list)

Bull Thistle in seed in Anne Arundel Co., Maryland (7/27/2011). Photo by Bill Harms. (MBP list)

Bull Thistle in Anne Arundel Co., Maryland (8/12/2010). Photo by Bill Harms. (MBP list)

Bull Thistle in Baltimore Co., Maryland (11/29/2020). (c) helenmoos, some rights reserved (CC BY-NC). Photo by helenmoos via iNaturalist. (MBP list)

Bull Thistle (winter aspect) in Anne Arundel Co., Maryland (1/7/2018). Photo by Bill Hubick. (MBP list)

Bull Thistle in Dorchester Co., Maryland (9/1/2017). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Bull Thistle in Howard Co., Maryland (5/15/2018). (c) hcc8, some rights reserved (CC BY-NC). Photo by hcc8 via iNaturalist. (MBP list)

Bull Thistle in Montgomery Co., Maryland (12/26/2020). (c) Emily Summerbell, some rights reserved (CC BY-NC). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Bull Thistle in Montgomery Co., Maryland (12/26/2020). (c) Emily Summerbell, some rights reserved (CC BY-NC). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Bull Thistle in Frederick Co., Maryland (11/4/2017). (c) kblacketter, some rights reserved (CC BY-NC). Photo by kblacketter via iNaturalist. (MBP list)

Bull Thistle in Frederick Co., Maryland (7/24/2016). (c) botanygirl, some rights reserved (CC BY). Photo by botanygirl via iNaturalist. (MBP list)

Bull Thistle in Prince George's Co., Maryland (8/21/2017). (c) Michael Ellis, some rights reserved (CC BY). Photo by Michael Ellis via iNaturalist. (MBP list)

Bull Thistle in Anne Arundel Co., Maryland (3/21/2015). (c) jenngribben, some rights reserved (CC BY-NC). Photo by jenngribben via iNaturalist. (MBP list)

Bull Thistle in Montgomery Co., Maryland (7/31/2018). (c) cheerwine, some rights reserved (CC BY-NC). Photo by cheerwine via iNaturalist. (MBP list)

Bull Thistle in Montgomery Co., Maryland (6/28/2019). (c) belyykit, some rights reserved (CC BY-NC). Photo by belyykit via iNaturalist. (MBP list)

Bull Thistle in Montgomery Co., Maryland (5/7/2019). (c) Ryan, some rights reserved (CC BY-NC). Photo by Ryan Douglas. (MBP list)

Bull Thistle in Garrett Co., Maryland (5/1/2019). (c) jlsherrard0, some rights reserved (CC BY-NC). Photo by jlsherrard0 via iNaturalist. (MBP list)


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