Maryland Biodiversity Project - Greater Marsh St. Johnswort (Hypericum walteri)

Greater Marsh St. Johnswort Hypericum walteri J.G. Gmelin

Synonyms: Triadenum walteri.

Kingdom Plantae > Division Tracheophyta > Class Magnoliopsida > Order Theales > Family Hypericaceae > Genus Hypericum Greater Marsh St. Johnswort - Hypericum walteri - https://www.marylandbiodiversity.com/view/2401

There are 22 records in the project database.

The flower of a Greater Marsh St. Johnswort in Anne Arundel Co., Maryland (8/2/2014). Photo by Jim Brighton. (MBP list)

Greater Marsh St. Johnswort in Anne Arundel Co., Maryland (8/2/2014). Photo by Jim Brighton. (MBP list)

Greater Marsh St. Johnswort (past) in Anne Arundel Co., Maryland (9/30/2017). Identified by Jim Brighton. Photo by Bill Hubick. (MBP list)

Greater Marsh St. Johnswort in Wicomico Co., Maryland (9/12/2017). Photo by Wayne Longbottom. (MBP list)

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