| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Taraxacum | P. Aellen s.n. 30 May 1964 | Switzerland. Jura. Neuenburger Jura: Feuchte Weide bei La Chaux-de-Fonds. | type | 231150 |  |
| Taraxacum olivaceoides Soest | P. Aellen s.n. 19 Apr 1936 | Switzerland. Basel: Rasen zwischwen Militär- und Bundesstrasse. | isotype | 231134 |  |
| Taraxacum curvatum Dahlst. | P. Aellen s.n. 10 May 1932 | Switzerland. Flora des Berner Oberlandes: Wiesen bei Wasserwendi. | isotype | 231132 |  |
| Taraxacum subcurvatum Soest | P. Aellen s.n. 30 Apr 1939 | Switzerland. Aargau. Weiherrand westlich Rheinfeld. | possible type | 231149 |  |
| Taraxacum divulsifolium Soest | P. Aellen s.n. 23 Apr 1936 | Switzerland. Elsass: Ht.-Rhin: Sumpf bei La Chaussée. | isotype | 231154 |  |
| Taraxacum longii Fernald | M. L. Fernald 29244 with K. M. Wiegand, Bayard Long, F. A. Gilbert, Jr. & Neil Hotchkiss, 17 Jul 1925 | Canada. Newfoundland and Labrador. Northwestern Newfoundland: Ha-Ha Bay. at base of Ha-Ha Mountain. | isotype | 546797 |  |
| Taraxacum alsaticum Soest | P. Aellen s.n. 20 Apr 1936 | Switzerland. Elsass: Ht.-Rhin: Neudorf, Heide, Sumpf bei der Eisebahnbrücke. | isotype | 231136 |  |
| Taraxacum laetecolorans Lindstrom | A. A. Lindstrom Fasc. V,22 01 Jun 1915-07 Jun 1915 | Sweden. Bohuslän in prato prope castellum Carlsten ad oppidum Marstrand. | type | 260481 |  |
| Taraxacum polyxanthum Dahlst. | H. G. A. Dahlstedt Fasc. III,22 16 Jun 1913 | Sweden. Jämtland. Loco graminoso in solo sabuloso in sepulcreto par. Hammerdal. | type | 260489 |  |
| Taraxacum pilatense Soest | P. Aellen s.n. 18 Aug 1940 | Switzerland. Pilatus. | isotype | 231142 |  |
| Taraxacum sellandi Dahlst. | S. K. Selland Fasc. II,15 29 May 1912 | Norway. Hardanger loco graminoso in horto ad Nedre Vatsenden in Granvin. | type | 260492 |  |
| Taraxacum neoaellenii Soest | P. Aellen s.n. 21 Apr 1936 | Switzerland. Elsass: Ht.-Rhin: Sumpfiges Gelände auf dem Fussballplatz Haberhäuser-Blotzheim. | isotype | 231143 |  |
| Taraxacum pedemontanum Soest | P. Aellen s.n. 29 Jun 1963 | Switzerland. Piemont: Südrampe des Grossen St. Bernard. | isotype | 231145 |  |
| Taraxacum piceaticeps Dahlst. | S. K. Selland Fasc. V,16 16 Jun 1915 | Norway. Hardanger in prato Ystaas in Granvin. | type | 260487 |  |
| Taraxacum luteolum G.E.Haglund ex Soest | P. Aellen s.n. 26 May 1936 | Switzerland. Davos: Ausgang des [F...]. | isotype | 231138 |  |
| Taraxacum hollandicum Soest | P. Aellen s.n. 23 Apr 1936 | Switzerland. Elsass: Ht.-Rhin.: Sumpf bei La Chaussée. | possible type | 231148 |  |
| Taraxacum langeanum Dahlst. | H. G. A. Dahlstedt Fasc. I,13 09 Jun 1909 | Sweden. Gotland. In prato graminoso humido prope oppidum Visby. | type | 260482 |  |
| Taraxacum morulum Soest | P. Aellen s.n. 23 Apr 1936 | France. Elsass: Ht. Rhin: Sumpf bei La Chaussée. | type | 346056 |  |
| Taraxacum trigonolobum Dahlst. | C. Rutter 197 05 Jul 1903 | United States of America. Alaska. Vicinity of Kariuk, Kadiak Island. | 546800 |  | |
| Taraxacum spilophyllum Dahlst. | E. Collinder Fasc. II,46 02 Jun 1912 | Sweden. Medelpad loco graminoso ad oppidum Sundsvall. | type | 260494 |  |