Involucres 4–7 mm. Rays 12–17. Disc florets ca. 17–22. 2n =18.

Phenology: Flowering Aug–Sept.
Habitat: Dunes and sandy pockets in rocks by ocean, edges of brackish marshes
Elevation: 0–20(–200) m

Distribution

• Generated Map
• Legacy Map

N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Conn., Del., Ill., Maine, Md., Mass., Mich., N.H., N.J., N.Y., Ohio, Pa., R.I., Va.

Discussion

Subspecies sempervirens is introduced in Illinois, Michigan, Ohio, and Ontario near salt mines and brackish waters down stream. It grows along the coast from Newfoundland to New Jersey and locally to Virginia.

Selected References

None.

Lower Taxa

None.