Helianthemum crassifolium subsp. sphaerocalyx
Synonymy
Source: Raab-Straube, E. von (2018+): Cistaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Helianthemum crassifolium subsp. sphaerocalyx in Bull. Soc. Hist. Nat. Afrique N. 30: 263. 1939
Content
Bibliography
B. Boulos, L. 2009: Flora of Egypt checklist. Revised annotated edition. – Cairo: Al-Hadara Publishing (as Helianthemum sphaerocalyx)