> [!cite] BHL link: this entry starts at [page 800](https://www.biodiversitylibrary.org/page/33190271) of TL-2 Vol. IV
> Author links: [IPNI](https://www.ipni.org/a/8411-1) LSID 8411-1, [Wikidata](https://www.wikidata.org/wiki/Q86309) QID Q86309
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Ritgen, Ferdinand August Maria Franz von (1787-1837), German (Hessen) physician and botanist; D. med. Giessen 1808; Dr. phil. hon. ib. 1823; ultimately professor of surgery and psychiatry and director of the obstetrical clinic in Giessen.
**Abbreviated name**: *Ritgen* \[standard form in IPNI: *Ritgen*\]
#### Herbarium and types
Unknown.
#### Bibliography and biography
Biol.-Dokum. 15: 7560-7561; GR p. 125; Herder p. 473; KR p. 590 (b. 11 Oct 1787, d. 14 Apr 1867); PR 10282, ed. 1: 11237; Rehder 1: 260, 5: 727.
#### Biofile
- Anon., Bonplandia 3: 33. 1808 (cogn. Leopoldina Röderer), 6: 51. 1858 (full titles); Flora 41: 514. 1858 (order White Falcon, Saxen-Weimar).
- Jessen, K.F.W., Bot. Gegenw. Vorz. 351, 416. 1884.
- Müllerott, M., Hoppea 34: 301. 1976.
- Schmid, G., Goethe u.d. Naturw. 565. 1940.
### Publications
##### n.9251. Ueber die Aufeinanderfolge des ersten Auftretens der verschiedenen organischen Gestalten
**Title**
*Ueber die Aufeinanderfolge des ersten Auftretens der verschiedenen organischen Gestalten*... Marburg (bei Johann Christian Krieger) 1828. Oct.
**Abbreviated title**: *Aufeinanderfolge org. Gest.*
**Notes**
*Preprint*: 1828, p. \[1\]-98, chart. *Copy*: L (Univ. Libr.), issued with independent pagination as preprint from Schr. Ges. Beförd. Ges., Naturw. Marburg vol. 2, 1831. Also issued with this pagination in journal series, completed with journal t.p. dated 1831.
*Journal issue*: with continuous journal pagination: *Schr*. 2: 41-138. 1831.
*Note*: Contains on p. 39-98 (79-138) "Andeutungen zu einer natürlichen Gruppirung der Pflanzenwelt".
*Ref*.: Donk, M.A., Reinwardtia 2: 447-451. 1954, Taxon 12: 118-119. 1963.
- Rogers, D.P., Farlowia 4: 33. 1950.