Struthanthus capitatus Lundell Struthanthus capitatus Lundell in Contr. Univ. Michigan Herb. 7: 7. 1942 sec. Kuijt 2009=Struthanthus johnstonii Standl. & Steyerm. in Publ. Field Mus. Nat. Hist., Bot. Ser. 23(2): 43. 1944 syn. sec. Kuijt 2009