Tolypella porteri (F.K. Daily) R.E. Romanov comb. et stat. nov. Basionym:— Tolypella hispanica var. porteri F.K. Daily Butler Univ. Bot. St. 11(8/17): 144. 1954 Holotype (Daily 1954: 145):— USA, Wyoming, Albany County, forming rounded, cushion-like tufts in ca. 2 ft. of alkaline water in a small lake, 7 miles southwest of Laramie, 7.200 ft. altitude, 25 August 1952, Porter 6191, (BUT 505222). The isotype is stored in NY (00887622). Type locality (Daily 1954: 145):— USA, Wyoming, Albany County, 7 miles southwest of Laramie, small lake. ≡ Tolypella nidifica var. porteri (F.K. Daily) R.D. Wood Taxon 11: 23. 1962 Tolypella jwalae Labh & B.N. Verma (1983: 386), a dioecious species described from India, is actually a species of Nitella C. Agardh according to its protologue.

Published as part of Romanov, Roman E., Nikulin, Vyacheslav Yu., Vishnyakov, Vasily S., Tsegmid, Bukhchuluun, Efremov, Andrey N., Zhakova, Liubov V. & Gontcharov, Andrey A., 2024, Tolypella mongolica (Charophyceae, Characeae): A new dioecious charophyte species from the center of Eurasia and implications for charophyte taxonomy, including the validation of T. porteri and the new combination for T. jwalae, pp. 24-40 in Phytotaxa 659 (1) on page 33, DOI: 10.11646/phytotaxa.659.1.2, http://zenodo.org/record/13217758