NPSpecies

Data Source: Gleason & Cronquist, 1991 Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable. In legacy NPSpecies Weedy value was Yes with comment: see comments

Data Source: Gounaris, 2000

Park Species Detail: Gounaris, 2000: Characterized by medium invasiveness, while covering a relatively low percentage of the park. Yorktown: Four small populations were found in forest habitat on the western side of Yorktown and one small population in the village. It was also found in <0.1 acre of roadside. Jamestown: Greater than 20 populations were found distributed throughout the forest. The majority of the populations were small and of low plant density. Individuals were also found scattered in <1 acre of roadside Colonial Parkway: Individuals were scattered through ~5 acres of parkway corridor Ringfield: Several trees found along the old tour road./, Park Species Data Source: Hobson, 1998-Yorktown Unit/ Cheatham and Wormley Pond Drainages;Loetterle, 1970-Jamestown Unit /Jamestown Island;Salle,1972-Colonial Parkway;Gounaris, 2000 -Colonial Parkway/Jamestown Unit/Yorktown Unit;Clark, 1998-Colonial Parkway/Jamestown Unit/Yorktown Unit