Limestone Bittercress Cardamine douglassii BrittonS3 (Watch list)    
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Brassicales   >   Family Brassicaceae   >   Genus Cardamine   


Limestone Bittercress is a rare mustard that is on the Maryland State Watchlist (S3). It is found in floodplains and rich woods.


Limestone Bittercress can be differentiated from other Cardamine by having simple leaves, an erect and unbranching stature, pubescent stems, pubescent sepals that range from green to purple, and pink or lavender flowers. Most closely resembles Bulbous Toothwort which has glabrous stems, glabrous sepals which are always green, and pink or lavender flowers.

There are 15 records in the project database.

View at Maryland Plant Atlas

Search Flora of North America

Search Mid-Atlantic Herbaria Consortium

Search Norton-Brown Herbarium

View taxon at iNaturalist

View taxon at NatureServe

Search Google Images

Search MBP Facebook posts (beta | requires login)

[View seasonality details]
Limestone Bittercress in Cecil Co., Maryland (4/1/2021). (c) kwixted0, some rights reserved (CC BY-NC). Photo by Kerry Wixted. (MBP list)

Limestone Bittercress in Harford Co., Maryland (3/30/2020). (c) lerhoads, some rights reserved (CC BY-NC). Photo by lerhoads via iNaturalist. (MBP list)

Limestone Bittercress blooming at Great Falls Park, Fairfax Co., Virginia (3/26/2013). Photo by Fritz Flohr Reynolds. (MBP list)

View All Images

Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.