| Title | Illustrierte Flora von Deutschland, Edition 21 |
| Abbreviation | Ill. Fl. Deutschland, ed. 21 |
| Authors | F. J. Niedenzu |
| Publication Dates | Aug 1912 |
| TL2 | 1.949 |
| Remarks | Garcke's Fl. N. Mitt.-Deutschland, ed. 20 |
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