Tectaria jacobsii Tectaria jacobsii Holttum in Blumea 35: 552. 1991Type: Brunei, junction of rivers Temburong and Belalang at 500 m, M. Jacobs 5590 (K)Isotype: Brunei, junction of rivers Temburong and Belalang at 500 m, M. Jacobs 5590 (L)