Verbascum sinaiticum Benth.

1 *, Jabal Raymah, Raymah, Yemen, A.G. Miller & R.A. King 5327 (E [E00066966]), OR197022, OR232463, OR232522, OR232401;

Verbascum sinaiticum Benth.

2 *, Ad Delil, Ibb, Yemen, J.R.I. Wood 75/108 (E [E00066959]), OR197023, OR232464, OR232523, OR232402;

Verbascum sinaiticum Benth.

3 *, Wadi Mahil, Ad Dakhiliyah, Oman, A. Radcliffe-Smith 3766 (K), OR197024, OR232465, OR232524, OR232403;

Verbascum sinaiticum Benth.

4!, Jabal Al-Lawz, Tabuk, Saudi Arabia, A. Alzahrani 181 (MUZ);