Iresine flavescens Humb. & Bonpl. ex Willd.,

Sp. Pl. 4: 766. 1806 ≡ Alternanthera flavescens (Humb. & Bonpl. ex Willd.) Moq. in Candolle, Prodr. 13(2): 350. 1849 – Holotype: CUBA. Cayo Flamingo, 1 Mar 1801, A.J.A. Bonpland s.n. (P barcode P00136003 [image!]; isotype: P barcode P00136004 [image!]).

= Iresine obtusifolia Kunth in Humboldt & al., Nov. Gen. Sp. 2: 198. 1817 – Type: CUBA. Cayo Bonito (type not located).

= Iresine keyensis Millsp. in Publ. Field Columbian Mus., Bot. Ser. 2: 148. 1906 – Holotype: BAHAMAS. Whale Cay, 29 Jan 1905, W.I. Britton & Millspaugh 2179 (NY barcode 00073683! [image!]; isotype: F No. 173292!).

Taxonomic status: Species limits not yet studied in detail (B).