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Campanula patula L.
Family: Campanulaceae
Campanula patula image
A biennial European sp. with minutely roughened stem and with the fr opening near the top, is escaped (but perhaps not established) in Conn.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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