Statistics
Distribution
Mainly in western parts of the New World, from Canada through to southern Chile, especially along the Andes. There is an isolated distribution in the Arabian Peninsula and parts of Africa
References
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Acuña et al. (2017)
Acuña, R. , Fließwasser, S. , Ackermann, M. , Henning, T. , Luebert, F. and Weigend, M. 2017. Phylogenetic relationships and generic re-arrangements in “South Andean Loasas” (Loasaceae). Taxon 66(2): 365-378