Noteworthy Collections: Lythrum hyssopifolia L. (Hyssop Loosestrife or Grass Poly, Lythraceae): A New Species in the Illinois Flora


Sept 2012


Paul B. Marcum

Additional Authors

David M. Ketzner

ABSTRACT The first occurrence of Lythrum hyssopifolia L. (hyssop loosestrife or grass poly, Lythraceae) is documented for Illinois. This Old World native is presently known from every continent except Antarctica with its North American distribution limited to thirteen states within the United States as well as two Canadian provinces.


new species, florida, lythrum,