| Potamogetonaceae | |
Potamogeton pusillus var. africanus
| A. Benn. | Annuaire Conserv. Jard. Bot. Genève 9: 102 | 1905 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. argentinus
| A. Benn. | J. Bot. 46: 250 | 1908 |
| Potamogetonaceae | |
Potamogeton pusillus var. berchtoldii
| Hagstr. | Kongl. Svenska Vetensk. Acad. Handl., n.s. 55(5): 124 | 1916 |
| Potamogetonaceae | |
Potamogeton pusillus var. berchtoldii
| (Fieber) Nyman | Consp. Fl. Eur. 683 | 1882 |
| Potamogetonaceae | |
Potamogeton pusillus var. capitatus
| A. Benn. | J. Bot. 39: 201 | 1901 |
| Potamogetonaceae | |
Potamogeton pusillus var. colpophilus
| Fernald | Mem. Amer. Acad. Arts, n.s. 17: 90, pl. 20, f. d–e; pl. 35, f. 5 | 1932 |
| Potamogetonaceae | |
Potamogeton pusillus var. elongatus
| A. Benn. ex Macoun | Cat. Canad. Pl. 5: 371 | 1890 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. flabellatus
| (Bab.) Hook. f. | Student Fl. Brit. Isl. ed. 3: 436 | 1884 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. friesii
| (Rupr.) Hook. f. | Student Fl. Brit. Isl. ed. 3: 435 | 1884 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. gemmiparus
| (J.W. Robbins) R.R. Haynes & Hellq. | Novon 6(4): 370 | 1996 |
| Potamogetonaceae | |
Potamogeton pusillus var. gemmiparus
| J.W. Robbins | Manual (ed. 5) 489 | 1867 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. groenlandicus
| (Hagstr.) Böcher | Meddel. Grønland 147(9): 44 | 1952 |
| Potamogetonaceae | |
Potamogeton pusillus subvar. interruptus
| J.W. Robbins | Botany [Fortieth Parallel] 338 | 1871 |
| Potamogetonaceae | |
Potamogeton pusillus var. interruptus
| (Kit.) J. Presl & C. Presl | Fl. Čech. 37 | 1819 |
| Potamogetonaceae | |
Potamogeton pusillus var. lacunatus
| Fernald | Mem. Gray Herb. 3: 85 | 1932 |
| Potamogetonaceae | * |
Potamogeton pusillus var. latifolius
| (Wahlenb.) G. Mey. | Chloris Han. 525 | 1836 |
| Potamogetonaceae | * |
Potamogeton pusillus var. latifolius
| Čelak. | Prodr. Fl. Böhmen 1: 23 | 1867 |
| Potamogetonaceae | |
Potamogeton pusillus var. longepedunculatus
| Hicken | Anales Soc. Ci. Argent. 65: 295 | 1908 |
| Potamogetonaceae | |
Potamogeton pusillus var. major
| Fr. | Novit. (ed. 2) 48 | 1828 |
| Potamogetonaceae | |
Potamogeton pusillus var. minor
| (Biv.) Fernald & B.G. Schub. | Rhodora 50(595): 154 | 1948 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. mucronatus
| (C. Presl) Čelak. | Anal. Kvet. Ceska ed. 3: 44 | 1897 |
| Potamogetonaceae | |
Potamogeton pusillus var. mucronatus
| Graebn. | Pflanzenr. IV. 11: 115 | 1907 |
| Potamogetonaceae | |
Potamogeton pusillus var. mucronatus
| (C. Presl) Hook. f. | Student Fl. Brit. Isl. 374 | 1870 |
| Potamogetonaceae | |
Potamogeton pusillus proles panormitanus
| (Biv.) Graebn. | Pflanzenr. IV, 11: 116 | 1907 |
| Potamogetonaceae | |
Potamogeton pusillus var. panormitanus
| (Biv.) Morong | Mem. Torrey Bot. Club 3(2): 46 | 1893 |
| Potamogetonaceae | |
Potamogeton pusillus var. panormitanus
| (Biv.) Nyman | Consp. Fl. Eur. 683 | 1882 |
| Potamogetonaceae | |
Potamogeton pusillus var. polyphyllus
| Morong | Bot. Gaz. 5(5): 51 | 1880 |
| Potamogetonaceae | |
Potamogeton pusillus var. pseudorutilus
| A. Benn. | J. Bot. 39: 201 | 1901 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. pusillus
| | | |
| Potamogetonaceae | |
Potamogeton pusillus var. pusillus
| | | |
| Potamogetonaceae | |
Potamogeton pusillus var. rutiloides
| (Fernald) B. Boivin | Naturaliste Canad. 94: 527 | 1967 |
| Potamogetonaceae | |
Potamogeton pusillus var. sphaerocarpus
| K. Schum. | Fl. Bras. 3(3): 693 | 1894 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. sturrockii
| (A. Benn.) Nyman | Consp. Fl. Eur. Suppl. 2: 288 | 1890 |
| Potamogetonaceae | |
Potamogeton pusillus var. tenuifolius
| K. Schum. | Fl. Bras. 3(3): 691 | 1894 |
| Potamogetonaceae | |
Potamogeton pusillus fo. tenuissimus
| Hagstr. | Kongl. Svenska Vetensk. Acad. Handl., n.s. 55(5): 122 | 1916 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. tenuissimus
| (Mert. & W.D.J. Koch) R.R. Haynes & Hellq. | Novon 6(4): 370 | 1996 |
| Potamogetonaceae | |
Potamogeton pusillus subsp. tenuissimus
| (Mert. & W.D.J. Koch) K. Richt. | Pl. Eur. 1: 15 | 1890 |
| Potamogetonaceae | |
Potamogeton pusillus var. tenuissimus
| Mert. & W.D.J. Koch | Deutschl. Fl. (ed. 2) 1: 857 | 1823 |
| Potamogetonaceae | |
Potamogeton pusillus var. typicus
| Fernald | Mem. Gray Herb. 3: 81 | 1932 |
| Potamogetonaceae | ** |
Potamogeton pusillus var. vulgaris
| (L.) Fr. | Novit. Fl. Suec. Alt. 49 | 1828 |