Richweed
Collinsonia canadensis Linnaeus
Richweed: https://marylandbiodiversity.com/species/3707
Synonyms
Collinsonia scabriuscula  Collinsonia tuberosa  Northern Horse-balm 
Tags
Total Records
by Month
For Jan - Dec from 1888 - 2024

Source: Maryland Biodiversity Project database

Total Records
by Year
189018951900190519101915192019251930193519401945195019551960196519701975198019851990199520002005201020152020202501020304050Totals

Source: Maryland Biodiversity Project database