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Iconographia botanica seu plantae criticae, H.G.L. Reichenbach (1823-1832)
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A monograph of the North American Potentilleae, P.A. Rydberg (1898)
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Monographia de Potentilla, C.G. Nestler, de Straus (1816)
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Flora of the U.S.S.R. /Botanicheskii institut Akademii nauk SSSR, deel 10, V.L. Komarov
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