Spiraeanthemum macgillivrayi subsp. kajewskii Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (BM) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (BO) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (P) Holotype: Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (A) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (L) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (BRI) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (G) Kupei Gold Field, Bougainville, Papua New Guinea., Kajewski 1700 (BISH)