A Distribution of Nasa katjae and similar species. Left: Location of the forest system and the habitat of N. katjae (red star) in Peru and the Amotape-Huancabamba Zone, orange area: approximate distribution of N. loxensis, cyan area: N. calycina. Right: collections sites of N. katjae in the forest north of the town of Colasay B–D habitat of N. katjae B small stream at “Agua fria” C path crossing a small stream at the type locality D flowering N. katjae among dense vegetation (left). Map data 2024 (C) Google. All photos by J. P. Allen.