> [!cite] BHL link: this entry starts at [page 565](https://www.biodiversitylibrary.org/page/33066905) of TL-2 Vol. VII
> Author links: [IPNI](https://www.ipni.org/a/29199-1) LSID 29199-1, [Wikidata](https://www.wikidata.org/wiki/Q6074265) QID Q6074265
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Zwackh-Holzhausen, \[Philipp Franz\] Wilhelm Ritter von (1825-1903), German (Baden) botanist (lichenologist), soldier and nobleman of private means.
**Abbreviated name**: *Zwackh.* \[standard form in IPNI: *Zwackh*\]
#### Herbarium and types
[[Collection S|S]]. – Further material at [[Collection B|B]] (partly extant), [[Collection BR|BR]], [[Collection BRNU|BRNU]], [[Collection GJO|GJO]] (rd. as "Herbarium" 1903), [[Collection H|H]], [[Collection KIEL|KIEL]], [[Collection LZ|LZ]] (destr.), [[Collection M|M]], [[Collection STU|STU]]. – Gyelnik (1938) states that the \[main\] collection was acquired by E.P. Vrang, Fallköpin, Sverige, in 1936. This collection is at present at [[Collection S|S]].
*Lichenes exsiccati*, nos. 1-1177 (1211 nos.), Heidelberg 1850-1894. Sets at [[Collection DUKE|DUKE]], [[Collection FH|FH]], [[Collection H|H]], [[Collection K|K]], [[Collection L|L]], [[Collection M|M]], [[Collection MSC|MSC]], [[Collection MSTR|MSTR]], [[Collection S|S]], [[Collection TUR|TUR]], [[Collection UPS|UPS]], [[Collection VER|VER]], [[Collection W|W]], [[Collection WRSL|WRSL]]. For further details see Sayre (1969). – *Letters* to Brotherus (90) at [[Collection H|H]]; other letters at [[Collection G|G]].
#### Bibliography and biography
Barnhart 3: 544; Biol.-Dokum. 19: 10376; BM 5: 2403; Bossert p. 451; CSP 6: 520, 8: 1309; DTS 1: 337; GR p. 56-57 (b. 28 Feb 1825, d. 2 Jan 1903), *pl*. \[*18*\], cat. p. 74; Hawksworth p. 187; LS 29740-29746; SBC p. 135; Urban-Berl. p. 292.
#### Biofile
- Gyelnik, V.K., Ann. hist. nat. Mus. natl. Hung., Bot. 31: 57. 1938 (herb.).
- Hertel, H., Mitt. Bot. München 16: 457. 1980.
- Lynge, B., Nyt Mag. Naturvid. Oslo 51: 117. 1913 (on exsicc.).
- Sayre, G., Mem. New York Bot. Gard. 19(1): 174. 1969 (exsicc.).
- Wittrock, V.B., Acta Horti Berg. 3(3): 157. 1905.
#### Eponymy
*Zwackhia* Körber (1855); *Zwackhia* Sendtner et H.G.L. Reichenbach (1858).
### Publications
##### n.18.781. Enumeratio lichenum florae heidelbergensis
**Title**
*Enumeratio lichenum florae heidelbergensis*. Ein Beitrag zur Flora der Pfalz... \[Flora 1862\].
**Notes**
*Publ*.: 16 Oct-24 Dec 1862 (in journal), p. \[1\]-64 \[-66? last pages not seen\], \[1\]-8. *Copy: *H. – Reprinted and to be cited from Flora 45: 465-474. 16 Oct, 481-495. 30 Oct, 504-512. 10 Nov, 518-527. 20 Nov, 530-537. 30 Nov, 546-552. 13 Dec, 561-572. 24 Dec 1862.
*Errata* 17 Feb 1864, p. \[1\]-8 in above reprint; id. Flora 47: 81-88. 17 Feb 1864.
##### n.18.782. Die Lichenen Heidelbergs
**Title**
*Die Lichenen Heidelbergs* nach dem Systeme und den Bestimmungen Dr. William Nylanders... Heidelberg (Verlag von G. Weiss) 1883. Oct.
**Abbreviated title**: *Lich. Heidelb.*
**Notes**
*Publ*.: Jun 1883 (p. iv: Jun 1883; Bot. Centralbl. 9-13 Jul 1883; Bot. Zeit. 27 Jul 1883; Nat. Nov. Jul(1) 1883), p. \[i\]-iv, \[1\]-82, \[83-84\]. *Copies*: B, G, H.