Trematolobelia macrostachys (Hook. & Arn.) Zahlbr. var. kauaiensis Rock, Coll. Hawaii Publ. Bull. 2: 46. 1913.
Type information:
Holotype
[BISH]. J. F. Rock 8877. 20 October 1911. Kaua`i: [summit of] Mt. Waialeale, [in the open flat swamps].5200ft. Isotype(s)
[A!, BISH! [7], GH! [2], US!].