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In this paper, we propose types for Equisetum palustre (Equisetaceae) and Acrostichum punctatum (Polypodiaceae) described by C. Linnaeus in “Species Plantarum” (Linnaeus, 1753, 1763). Linnaeus obtained type specimens of Equisetum palustre from Johann Amman from Russia, who worked in St. Petersburg Academy of Sciences. But this type was actually Equisetum arvense and we selected Ray’s (1724) illustration as lectotype and a specimen from Herbarium of South-Siberian Botanical Garden, Altai State University, Barnaul, Russia as an epitype. Type material of Acrostichum punctatum collected by the British physician and botanist J. Fothergill from Guangdong Province, China was absent in the LINN Herbarium or elsewhere and we selected a neotype from Herbarium of the Institute of Botany, Chinese Academy of Sciences (Beijing).

Typifications of Linnaean names Equisetum palustre (Equisetaceae) and Acrostichum punctatum (Polypodiaceae)