WISCONSIN BOTANICAL INFORMATION SYSTEM
Wisconsin State Herbarium

Wisflora - Vascular Plant Species

University of  Wisconsin - Madison 

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Family: Cistaceae
  Genus: Helianthemum

    Helianthemum bicknellii Fernald*+

        Bicknell's rock-rose, hoary frostweed, rock-rose
             Crocanthemum bicknellii (Fernald) Barnhart
             Crocanthemum majus sensu Britton
    Helianthemum canadense (L.) Michx.*+

        common rock-rose, long-branch frostweed
             Cistus canadensis L.
             Crocanthemum canadense (L.) Britton
             Helianthemum canadense (L.) Michx. var. sabulonum Fernald

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