Richweed Collinsonia canadensis Linnaeus    Synonyms: Collinsonia scabriuscula, Collinsonia tuberosa, Northern Horse-balm.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Lamiales   >   Family Lamiaceae   >   Genus Collinsonia   

Relationships:

Richweed is a host plant for the Horse Balm Gall Midge.

There are 192 records in the project database.

View species at Maryland Plant Atlas

Search Google Images

GA AL WA FR CL MO HO BA BC HA CE PG AA CVCHSMKE QA CN TADOWISOWO
Richweed blooming in Howard Co., Maryland (8/30/2014). Photo by Bill Harms. (MBP list)

Richweed in Garrett Co., Maryland (6/20/2014). Photo by Jim Brighton. (MBP list)

Richweed blooming in Montgomery Co., Maryland (8/24/2015). Photo by Elizabeth Miller. (MBP list)

Richweed blooms in Washington Co., Maryland (8/8/2009). Photo by Jim Brighton. (MBP list)

Richweed blooming in Allegany Co., Maryland (8/29/2014). Photo by Kimberly Booth. (MBP list)

Richweed blooming in Harford Co., Maryland (8/24/2014). Photo by Joshua Jones. (MBP list)

Richweed in Howard Co., Maryland (8/20/2014). Photo by Joanne Solem. (MBP list)

Richweed blooming in Montgomery Co., Maryland (8/23/2015). Photo by Elizabeth Miller. (MBP list)

Richweed blooming in Howard Co., Maryland (8/12/2017). Photo by Bill Hubick. (MBP list)

Richweed blooming in Montgomery Co., Maryland (9/1/2017). Photo by Katherine Richards. (MBP list)

Richweed in Garrett Co., Maryland (7/12/2012). Photo by Jim Stasz. (MBP list)

Richweed in Allegany Co., Maryland (9/12/2016). Photo by Kimberly Booth. (MBP list)

Richweed with Horse Balm Gall Midge galls in Garrett Co., Maryland (7/26/2015). Photo by Boyer and McDowell. (MBP list)

Richweed in Montgomery Co., Maryland (9/30/2020). (c) antjil, some rights reserved (CC BY-NC). Photo by antjil via iNaturalist. (MBP list)

Richweed in Montgomery Co., Maryland (8/23/2020). (c) Emily Summerbell, some rights reserved (CC BY-NC). Photo by Emily Summerbell, Ph.D. via iNaturalist. (MBP list)

Richweed in Howard Co., Maryland (3/22/2019). Collected and processed by Helen Lowe Metzman. Photo by USGS PWRC. (MBP list)

Richweed in Howard Co., Maryland (9/2/2019). (c) Harlan Svoboda, some rights reserved (CC BY-NC). Photo by Harlan Svoboda via iNaturalist. (MBP list)

Richweed in Howard Co., Maryland (3/22/2019). Collected and processed by Helen Lowe Metzman. Photo by USGS PWRC. (MBP list)

Richweed in Howard Co., Maryland (3/22/2019). Collected and processed by Helen Lowe Metzman. Photo by USGS PWRC. (MBP list)

Richweed in Garrett Co., Maryland (8/17/2019). Determined by Helen Lowe Metzman. Photo by Sue Muller. (MBP list)

Richweed in Baltimore Co., Maryland (8/26/2018). (c) Ashley M Bradford, some rights reserved (CC BY-NC). Photo by Ashley Bradford. (MBP list)

Richweed in Caroline Co., Maryland (10/1/2018). Photo by Jim Brighton. (MBP list)


View All Images

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

View Bibliography