| Name | Author | Source | Citation | Year |
|---|
| Achnanthes hedinii ('Hedini') | Hustedt in Hedin | Southern Tibet | 6{3}: 122, pl. IX: figs. 12-14 | 1922 |
| Anacystis thermalis f. major | (Lagerheim ex Forti) Drouet & Daily | Butler University Botanical Studies | 12: 83 | 1956 |
| Aulacoseira lauquenensis | M.L. García, J.M. Guerrero, P.I. Tremarin, N.I. Maidana & E.A. Morales in García et al. | Phytotaxa | 408: 165, figs. 21-34 | 2019 |
| Aulacoseira liucoensis | M.L. García, J.M. Guerrero, P.I. Tremarin, N.I. Maidana & E.A. Morales in García et al. | Phytotaxa | 408: 170, figs. 35-54 | 2019 |
| CARLSKOTTSBERGIA | A. Athanasiadis | Nova Hedwigia | 108: 293 | 2018 |
| Carlskottsbergia antarctica | (J. Hooker & Harvey) A. Athanasiadis | Nova Hedwigia | 108: 293 | 2018 |
| Chroococcus decolorans | Migula | Crypt. Germaniae, Austriae et Helvetiae: | fasc. 26/27: 83 | 1906 |
| Chroococcus helveticus f. major | Lagerheim ex Forti | Syll. Alg. | 5: 17 | 1907 |
| Chrysochromulina tobinii | R. Cattolico | Notulae algarum | 105: 1, fig. 1 | 2019 |
| Crenotia hedinii | (Hustedt) P. Rioual, L. Ector, & C.E. Wetzel | Notulae algarum | 106: 2 | 2019 |
| DESIKACHARYA | A.G. Saraf & Prashant Singh in Saraf et al. | Notulae algarum | 107: 1 (description in Saraf, Dawda & Singh, 2018: 7) | 2019 |
| Desikacharya nostocoides | A.G. Saraf & Prashant Singh in Saraf et al. | Notulae algarum | 107: 1 (description in Saraf, Dawda & Singh, 2018: 7), figs. 1-4 | 2019 |
| Desikacharya soli | A.G. Saraf & Prashant Singh in Saraf et al. | Notulae algarum | 107: 1 (description in Saraf, Dawda & Singh, 2018: 7), figs. 5-8 | 2019 |
| Desikacharya thermotolerans | (A. Suradkar et al.) A.G. Saraf & Prashant Singh in Saraf et al. | Notulae algarum | 107: 1 | 2019 |
| Hypnea caraibica | F. Nauer, V. Cassano & M.C. Oliveira | Phytotaxa | 408: 88, fig. 3 | 2019 |
| Hypnea schneideri | F. Nauer, V. Cassano & M.C. Oliveira | Phytotaxa | 408: 88, fig. 4 | 2019 |
| Mallomonas teres | Y. Nemcova & D. Kapustin | Cryptogamie, Algologie | 40: 37, fig. 1 | 2019 |
| Melosira ambigua var. desikacharyi ('desikacharya') | A.R. Rao & P. Awasthi | Palaeobotanist | 11: 83, pl. 1: fig. 2; text-figs. 3, 4 | 1963 |
| Trachydiscus guangdongensis | B. Gao, L. Huang, F. Wang, & C. Zhang | Hydrobiologia | 835: 46, figs. 2, 3 | 2019 |
| VIATOR | G.A. Hansen, J.A. West, & G.C. Zuccarello in Hansen et al. | Algae | 34: 84 | 2019 |
| Viator vitreocola | G.A. Hansen, J.A. West, & G.C. Zuccarello in Hansen et al. | Algae | 34: 84 | 2019 |