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<br />REFERENCES <br />Cronquist, A., A.H. golmgren, H.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1984. <br />Subclass Asten'de (ex~ Asteraceae). The New o koBotanical Garden B onx,olN1'. 573 <br />PP• <br />Hartman, Ron. 1994. Personal communication. <br />• <br />• <br />