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Calendula L., Sp. Pl.: 921 (1753); Gen. Pl. ed. 5: 393 (1754).

Type: Calendula officinalis L.

References

Meusel, H. & M. Ohle. (1966). Zur Taxonomie und Cytologie der Gattung Calendula. Ost. Bot. Zeit. 113: 191210.

Ohle, M. (1974). Beitrge zue Taxonomie der Gattung Calendula, II: Taxonomische Revision der s deuropischen perennierenden Calendula-sippen. Feddes. Repert. 85(4): 245283.

Calendula officinalis L., Sp. Pl. : 921 (1753). Type: -'Habitat in Europae arvis. Lectotype (selected by Alavi in Jafri & El-Gadi, Fl. Libya 1983, 107: 195): Herb. Linn. No. 1035.4 (LINN).

Calendula officinalis * [unranked] prolifera DC., Prodr. 6: 452 (1838). Type: (v. v. c.). Note: there is a specimen marked a prolifera in G-DC which is best viewed as the holotype.

Calendula eriocarpa DC., Prodr. 6: 453 (1838). Type: patr. ign. ... Semina missa sub nom. C. cristatae, sed mihi cristati video. (v. v. c. in h. Genev.). Note: there is a specimen in G-DC with a label marked Cal. cristata 262/3 which can be best viewed as the holotype.

Bolivia (Chuquisaca). Cultivated and sometimes escaping.