Calendula lanzae, Maire (1928 a: 138)

Gonçalves, Ana Carla, Ouhammoud, Ahmed, Amirouche, Rachid, Santos, Conceição, Figueiredo, Estrela & Silveira, Paulo, 2023, A taxonomic revision of Calendula (Asteraceae) in Morocco, including some taxa from Algeria and Tunisia, Phytotaxa 605 (1), pp. 1-83 : 76

C. lanzae Maire (1928a: 138)

Additional specimens examined: MOROCCO. Drâa-Tafilalet: Taroudant Ait-Yazza , S of Ait-Yazza, 257 m, [30°28’35” N, 8°48’03” W], 26 March 2013, Silveira, P .; Gonçalves, A. C. R. S .; Ouhammou, A . 3292 ( AVE!); Souss-Massa: nord̂stlich von Agadir (to the NE of Agadir), Tirkou, [30°38’22” N, 9°11’44” W], 1931, Maire, R . s.n. ( JE!); S ̧ dmarokko, bei Tirkou, [30°38’22” N, 9°11’44” W], 1931, Maire, R . s.n. ( JE!); vallée des Aït-Moussa , arganiaies pierreuses près de Tirkou (loco classico), 500- 600 m, [30°38’22” N, 9°11’44” W], 14 April 1931, Maire, R . 2574 ( BM, BC, Z!); Taroudant, Tiout , [30°23’26” N, 8°41’33” W], 16 April 1931, Jahandiez, E . 153 ( BM, RAB!); Taroudant , S side of Sous river, 200- 250 m, [30°21’50” N, 9°36’18” W], 3 April 1972, Davis 54014 ( BM, E!); Taroudant gravel on the margins of the river Tiout , 424m [30°23’48” N, 8°42’17” W], 26 March 2013, Silveira, P .; Gonçalves, A. C. R. S .; Ouhammou, A . 3293 a ( AVE!);