Table 1.

Saudi anti-human cancer plants reported by two or more researchers.

Plant	Part	Cancer/Cells	Reference
Achillea fragrantissima	Leaves, flowers	Liver (HEPG2)	(31)
Achillea fragrantissima	Leaves	Leukemia (K562 and Jurkat)	(32)
Achillea fragrantissima	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Artemisia sieberi	Leaves, flowers	Breast (MCF7)	(31)
Artemisia sieberi	Leaves	Breast (MCF7)	(33)
		Cervix (HeLa)
Artemisia sieberi	Aerial parts	Liver (HEPG2)	(34)
Caralluma quadrangula	Aerial parts	Breast (MCF7)	(35)
Caralluma quadrangula	Aerial parts	Breast (MCF7)	(36)
Citrullus colocynthis	Fruit	Larynx (HEp2)	(37)
Citrullus colocynthis	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Haplophyllum tuberculatum	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Haplophyllum tuberculatum	Not specified	Skin - Melanoma	(38)
Lactuca serriola	Aerial parts	Breast (MCF7)	(39)
		Liver (HEPG2)
		Lung (A549)
Lactuca serriola	Aerial parts	Liver (HEPG2)	(40)
Pulicaria crispa	Shoot system	Breast (MCF7)	(31)
		Liver (HEPG2)
Pulicaria crispa	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Rhazya stricta	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Rhazya stricta	Not specified	Breast (MCF7 and MDA-MB-231)	(18)
Rhazya stricta	Leaves	Colon (CACO)	(41)
Rhazya stricta	Stems	Stem Cell (NT2)	(21)
Rosa damascena trigintipetala	Roses	Liver (HEPG2)	(42)
Rosa damascena trigintipetala	Roses	Liver (HEPG2)	(43)
Rumex vesicarius	Aerial parts	Leukemia (CCRF-CEM and HL-60)	(19)
Rumex vesicarius	Flowers	Breast (MCF7)	(44)
		Lung (NCI-H460)
		Central Nervous System (SF-268)
Santolina chamaecyparissus	Aerial parts	Liver (HEPG2)	(45)
Santolina chamaecyparissus	Aerial parts	Liver (HEPG2)	(40)
Withania somnifera	Fruits	Breast (MCF7)	(46)
		Liver (HEPG2)
		Colon (Colo20 and HCT-116)
		Leukemia (Jurkat)
Withania somnifera	Leaves	Breast (MCF7)	(47)
		Liver (HEPG2)
		Colon (HCT-116)