Skip to main content
SpringerLink
Log in

Biosystematics of two perennial species of Helianthus (Compositae), II. Natural populations and taxonomy

  • Published:
Brittonia Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Literature Cited

  • Britton, N. L. 1901. Manual of the flora of the Northern States and Canada. New York.

  • Farwell, O. A. 1917. Rep. Mich. Acad. Sci.17: 180.

    Google Scholar 

  • —. 1927. Botanical gleanings in Michigan IV. Amer. Midi. Nat.10: 199–219.

    Article  Google Scholar 

  • Goldthwait, R. P. 1958. Wisconsin age forests in western Ohio. I. Age and glacial events. Ohio Jour. Sci.58: 209–219.

    Google Scholar 

  • Gray, A. 1884. Synoptical flora of North America. Vol. I, Part II. Smithsonian Institution. Washington, D. C.

    Google Scholar 

  • Linnaeus, C. 1753. Species plantarum. Vol. II.

  • -. 1763. Species plantarum. ed. 2, Vol. II.

  • Long, R. W. 1954. Synopsis ofHelianthus giganteus L. and related species. Rhodora56: 198–203.

    Google Scholar 

  • —. 1955. Hybridization. in perennial sunflowers. Am. Jour. Bot.42: 769–777.

    Article  Google Scholar 

  • —. 1959. Natural and artificial hybrids ofHelianthus maximiliani XH. grosseserratus. Am. Jour. Bot.46: 687–692.

    Article  Google Scholar 

  • —. 1960. Biosystematics of two perennial species ofHelianthus (Compositae) I. Crossing relationships and transplant studies. Am. Jour. Bot.47: 729–735.

    Article  Google Scholar 

  • Michaux, A. 1803. Flora boreali-americana. Paris.

  • Pursh, F. 1814. Flora americae septentrionalis. Vol. II. London.

  • Torrey, J. & Gray, A. 1842. A flora of North America. Vol. 2. New York.

  • Wadmond, S. C. 1932. Notes from southeastern Wisconsin. Rhodora34: 18–19.

    Google Scholar 

  • Watson, E. E. 1929. Contributions to a monograph of the genusHelianthus. Pap. Mich. Acad.9: 305–475.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Botany and Bacteriology, Ohio Wesleyan University, Delaware, Ohio

    Robert W. Long

Authors
  1. Robert W. Long
    View author publications

    You can also search for this author in PubMed Google Scholar

Additional information

This investigation has been aided by a grant from the National Science Foundation (G3889). I wish to express my thanks to Dr. C. B. Heiser for his interest and advice during the course of this research. All population samples referred to in the text are part of the permanent collections of the Herbarium of Ohio Wesleyan University.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Long, R.W. Biosystematics of two perennial species of Helianthus (Compositae), II. Natural populations and taxonomy. Brittonia 13, 129–141 (1961). https://doi.org/10.2307/2805349

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.2307/2805349

Keywords

Search

Navigation