Noteworthy Collections: Rediscovery of Ribes americanum (Grossulariaceae) in Maryland

Ribes americanum P. Miller (Grossulariaceae)— MARYLAND, Frederick County: Jefferson, mid-successional floodplain forest, on wetland edge. Exact geographic coordinates are currently withheld until the United States National Park Service can ensure the long-term protection and viability of the population. Significance. In the summer of 2016, a new population of Ribes americanum was discovered during surveys for rare plant species within the Chesapeake and Ohio Canal National Historical Park, a unit of the United States National Park Service in Maryland. The sole historical record of R. americanum in Maryland was documented by John Bitting Smith Norton in 1902 in Carroll County, Maryland