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?New England J. Med. Surg. 5: 535, 1816?. Submitted.

?Fl. Dan. 9 (26): 4, 1818?. Submitted.

?Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 319, 1872?. Submitted.

?Fl. Boston., ed. 2 153, 1824?. Submitted.

?Fl. Sylv. Kor. 8: 62, 1919?. Submitted.

?Kozan-Shok.-Zui 24, 1933?. Submitted.

?Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 320, 1872?. Submitted.

?Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 320, 1872?. Submitted.

?Consp. Fl. Groenland.  91, 1880?. Submitted.

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?Fl. Pyren. 2: 17, 1900?. Submitted.

?Sp. Pl.  350, 1753?. Submitted.