Canada frostweed (Helianthemum canadense (L.) Michx.; Cistaceae) at the northeastern limit of its range: implications for conservation.
| Autor: | Yorke, Alana F., Mockford, Stephen, Evans, Rodger C. |
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| Zdroj: | Botany. Feb2011, Vol. 89 Issue 2, p83-89. 6p. |
| Databáze: | Academic Search Ultimate |
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