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Range extension of Helianthus spp. (Asteraceae) in Arizona and Utah |
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| Authors: | Gerald J Seiler Luka Cuk |
| Abstract: | Two populations of Helianthus niveus (Benth.) Brandegee ssp. canescens (A. Gray) Heiser were discovered in northern Arizona extending the range 300 miles north for this species. Helianthus deserticola Heiser range was extended 100 miles east in both Arizona and Utah. |
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