> [!cite] BHL link: this entry starts at [page 511](https://www.biodiversitylibrary.org/page/33066851) of TL-2 Vol. VII
> Author links: [IPNI](https://www.ipni.org/a/11976-1) LSID 11976-1, [Wikidata](https://www.wikidata.org/wiki/Q91040) QID Q91040
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Zahn, Karl Hermann (1865-1940), German (Baden) botanist (specialist on Hieracium); studied at a teachers college in Karlsruhe 1884-1885; from 1891 high school teacher in Heidelberg, Freiburg and Donaueschingen; from 1923 professor of geometry, chemistry and building material technology at the Karlsruhe Technical College; from 1931 in retirement, from 1934 in Haigerloch (Hohenzollern).
**Abbreviated name**: *Zahn* \[standard form in IPNI: *Zahn*\]
#### Herbarium and types
[[Collection B|B]] (main Hieracium herbarium acquired 1941, destroyed 1943; manuscript, drawings and a number of further original herbarium specimens of Hieracium acquired 1970, extant). General herbarium acquired by Philippe de Palézieux, now at [[Collection G|G]].
*Hieraciotheca europaea* cent. 1-9, 1906-1914. – Sets at [[Collection B|B]] (mainly destr.), [[Collection F|F]], [[Collection G|G]], [[Collection GB|GB]], [[Collection K|K]], [[Collection LAU|LAU]], [[Collection MAN|MAN]] [[Collection CH|CH]], [[Collection MPU|MPU]], [[Collection W|W]], [[Collection WRSL|WRSL]], [[Collection Z|Z]]. – For *Schedae* see below (1906-1914). – *Letters* at [[Collection G|G]].
#### Bibliography and biography
AG 2(2): 65, 12(2): 123; Barnhart 3: 536 (b. 3 Dec 1865, d. 8 Feb 1940); BFM no. 6; Biol.-Dokum. 19: 10251, 10253; BJI 2: 196 BM 5: 2379, 8: 1468; CSP 19: 757; DTS 6(4): 210; Futak-Domin p. 664-665; MW p. 548; Rehder 2: 102; TL-2/200, 1713, 2571, 14.793, see J. Murr.
#### Biofile
- Anon., Hedwigia 75: (168). 1936; Österr. bot. Z. 85(1): 80. 1936 (hon. memb. Bot. Ver. Prov. Brandenburg); Rhein-Neckar Zeitung 3 Dec 1980 ("sein Name war in aller Welt bekannt"; 115 yrs anniv. of birth, family portr., biogr. sketch).
- Kneucker, A., Mitt. Bad. Landesver. Naturk. Natursch. Freiburg i. Br. ser. 2. 3(15-16): 223-227. 1936 (tribute 70th birthday; biogr. sketch, portr., list publ.); Ber. bayer. bot. Ges. 25: 158-161. 1941 (portr., biogr. sketch, list publ.).
- Lack, H.W., Willdenowia 8: 439-442. 1978 (ills., mss., herb, specimens at B, extant).
- Palézieux, Ph. de, Bull. Soc. bot. Genève 32: 192-194. 1940 (obit.).
- Sleumer, H., Ber. Bayer, bot. Ges. 25: 161-163. 1941 (list publ., 86 nos.).
- Verdoorn, F., ed., Chron. bot. 5: 196, 197. 1939, 6: 141. 1941.
#### Composite works
- (1) *Berichtigungen und Ergänzungen zur 16. Auflage von* Dr. Aug. *Garcke's Flora von Deutschland*, Deut. bot. Monatschr. 8: 112-115. 1890. (See TL-2/1949).
- (2) *Hieracium, in* A. Engler, Das *Pflanzenreich*, see below 18.545.
- (3) *Hieracium, in* W.D.J. Koch, *Syn. deut. schweiz. Fl.* ed. 3 (ed. E. Hallier, R. Wohlfarth) 2: 1697-1910. Sep 1900, 1911-1931. Apr 1902 (TL-2/3804). – For review see Kneucker, Allg. bot. Z. 7: 214-217. 15 Dec 1901; Vollmann, Bot. Monatschr. 19: 164-166, 185-191. 1901.
- (4) *Hieracium, in* H.G.L. Reichenbach, *Icon. fl. germ. helv.* 19(2). 1904-1911, see TL-2/8885 (with J. Murr and J. Poell). "*Hieracia critica* vel minus cognita *florae germanicae et helveticae".*
- (5) *Hieracium, in* H. Schinz & R. Keller, *Fl. schweiz.* ed. 2. 2: 231-347. Aug-Sep 1905 and ed. 3, 2. 136 p. 1914. ((TL-2/10.714).
- (6) *Hieracium, in* G. Hegi, *Ill. Fl. Mitteleur.* 6(2): 1182-1351. 1929. (TL-2/2571).
- (7) *Hieracium, in* Ascherson and Graebner, *Syn. mitteleur. Fl.* 12(1): 1-492. 1922-1930, 12(2): 1-790. 1930-1935, 12(3): 1-708. 1936-1938. Index 12(1-3): 1-200. 5 Jan 1939. (TL-2/200).
- (8) Identifications in H. Schack, *Hieracia Thuringiae* 1930. TL-2/10.461.
- (9) *Salicaceae, in* W.D.J. Koch, *Syn. deut. schweiz. Fl.* ed. 3. 3: 2298-2385. 1907 (anonymous); Sleumer(1941) states that the *Polygonaceae* in that flora were almost certainly by Zahn.
- (10) *Hieracium, in* Stojanoff & Stefanoff, *Fl. Bulg.* 2: 1225-1272. 1925.
- (11) *Hieracium, in* A. Mayer, *Exkursionsflora der Universität Tübingen* 471-490. 1930. (TL-2/5743).
*Note*: for further contributions to works by others see bibliography of Zahn by H. Sleumer (1941).
### Publications
##### n.18.547. Flora der Baar
**Title**
*Flora der Baar* und der angrenzenden Landesteile... Tübingen (Druck der H. Laupp'schen Druckerei) 1889. Oct.
**Abbreviated title**: *Fl. Baar*.
**Notes**
*Co-author* for Salix: "Dr. Schatz, prakt. Arzt in Geisingen". (J.A. Schatz, d. 1912).
*Publ*.: 1889 (Bot. Zeit. 30 Aug 1889), p. \[i\], \[1\]-174. *Copies*: HH, NY. – Issued in Schr. Ver. Gesch. Naturgesch. Baar 7: 1-174. 1889.
*Ref*.: Appel, F.C.L.O. (Coburg), Bot. Centralbl. Beih. 1(6): 449-450. 1891 (rev.).
##### n.18.548. Die Hieracien der Schweiz
**Title**
*Die Hieracien der Schweiz*... Auf Kosten der Gesellschaft und mit Subvention des Bundes gedruckt von Zürcher & Furrer in Zürich... 1906. Qu.
**Abbreviated title**: *Hierac. Schweiz*.
**Notes**
*Publ*.: 1906, p. \[1\]-568. *Copies*: G, HH, M, NY. – Preprinted or reprinted from Neue Denkschr. allg. schweiz. Ges. gesammt. Naturw. 40(4): 163-728. 1906.
##### n.18.549. Beiträge zur Kenntniss der Archieracien Ungarns
**Title**
*Beiträge zur Kenntniss der Archieracien Ungarns* und der Balkanländer (Adatok magyarország és a balkánfélsziget Archieraciumjainak ismeretéhez)... Budapest (Pallas Irodalmi...) 1906. Oct.
**Notes**
*Publ*.: Feb-Apr 1906 (in journal), cover-t.p., p. \[1\]-32. *Copies*: B, H, M. – Reprinted and to be cited from Magy. bot. lap. 5(2-4): 1906: 62-94. 1906.
*Beitr. 2*: 1907, cover-t.p., p. \[1\]-18. *Copy*: M. – Ib. 6: 212-229. – Aug-Oct 1907.
*Beitr. 3.* 1908, cover-t.p., p. \[1\]-16. *Copy*: M. – Ib. 7: 113-128. Apr-Aug 1908.
*Beitr. 4*: 1909, cover-t.p., p. \[1\]-34. *Copy*: M. – Ib. 8: 276-309. Nov-Dec 1909 ("1910").
*Beitr. 5*: 1910, see below *Die Ungarischen Hieracien*.
*Beitr. 6*: 1911, cover-t.p., p. \[1\]-54. *Copy*: M. – Magy. bot. Lap. 10: 121-174. 1911.
*Beitr. 7*: 1927, cover-t.p., p. 283-394. *Copy*: M. – Ib. 25: 283-394. 1927.
*Beitr. 8*: 1929, (with G. Lengyel) cover-t.p., \[1\]-34. *Copy*: M. – Ib. 28: 1-34. 1929.
*Beitr. 9*: 1932, cover-t.p., p. \[1\]-32. *Copy*: B. – Ib. 31: 1-32. 1932.
##### n.18.550. Hieraciotheca Europae
**Title**
*Hieraciotheca Europae* edita e Carolo Hermanno Zahn. Schedae ad Centuriam I. Nr. 1-100. Karlsruhe (E typographia J.J. Reiff) 1906. Oct.
**Abbreviated title**: *Hieracioth. Eur.*
**Notes**
*1*(nos. 1-100): Oct 1906 (G rd. 7 Nov 1906; AbZ 15 Dec 1906), p. \[1\]-30.
*2* (nos. 101-200): 1 Jan 1907 (G rd. 6 Jan 1907; ÖbZ for Dec 1906-Jan 1907; AbZ 15 Feb 1907), p. \[1\]-31.
*3* (nos. 201-300; 103 nos.): 1 Jan 1908 (AbZ 15 Mai 1907: erscheint auf 1 Jan 1918; 15 Jun 1908: indeed early Jan), p. \[1\]-28.
*4* (nos. 301-400 109 nos.): 1 Jan 1909 (AbZ 15 Feb 1909), p. \[1\]-29. – Karlsruhe (E Typographia "Konkordia". Buehl.).
*5* (nos. 401-500; 110 nos.): 1 Jan 1910 (AbZ 15 Feb 1910; ÖbZ for Mai 1910), p. \[1\]-28.
*6* (nos. 501-600; 112 nos.): 1 Jan 1911 (ÖbZ 1 Jan 1911; AbZ 15 Jan 1911), p. \[1\]-24.
*7* (nos. 601-700; 104 nos.): Apr 1912 (fide AbZ 15 Oct 1911; ÖbZ for Mai 1912; AbZ 31 Jul 1912), p. \[1\]-23.
*8* (nos. 701-800; 113 nos.): 15 Mar 1913 (fide AbZ 31 Mai 1913), p. \[1\]-26.
*9* (nos. 801-900; 114 nos.): 1914, p. \[1\]-25.
*Copies*: B, G, M.
##### n.18.551. Hieracia orientalia herbarii Formánekiani
**Title**
*Hieracia orientalia herbarii Formánekiani*... excerpta e Vaudasii libro "Reliquiae formánekianae" \[1909\]. Oct.
**Notes**
*Publ*.: 1909, p. \[345\]-365, i-ii. *Copy*: G. – Reprinted and to be cited from K. Vandas, Reliquiae Formánekianae... Brunae 1909, p. 345-365. (Karel Vandas, 1861-1923, TL-2/6: 657-658).
##### n.18.552. Die Ungarischen Hieracien
**Title**
*Die Ungarischen Hieracien* des Ungarischen National-Museums zu Budapest, zugleich v. Beitrag zur Kenntniss der Hieracien Ungarns und der Balkanländer... Annales Musei nationalis hungarici 1910. Oct.
**Notes**
*Publ*.: 1910 (Nat. Nov. Dec(1) 1910), cover-t.p., p. \[34\]-106. *Copy*: G. – Reprinted and to be cited from Ann. Mus. natl. Hung. 8: 34-106. 1910.
##### n.18.553. Hieracia florae mosquensis
**Title**
*Hieracia florae mosquensis*... St. Petersburg (Buchdruckerei der kaiserlichen Akademie der Wissenschaften...) 1911. Oct.
**Abbreviated title**: *Hierac. fl. mosq.*
**Notes**
*Publ*.: Jul 1911 (date of printing), cover-t.p., p. \[1\]-68. *Copies*: G, M. – Preprinted or reprinted from Trav. Mus. bot. Acad. imp. Sci. St.-Petersb. 11: \[1\]-68. 1911.
##### n.18.554. Les Hieracium des Alpes maritimes
**Title**
*Les Hieracium des Alpes maritimes*... Genève et Bale (Georg & Cie....), Lyon (même maison...) 1916. Oct.
**Abbreviated title**: *Hierac. Alp. mar.*
**Notes**
*Publ*.: Dec 1916 (p. vi: Nov 1916), p. \[i\*-iii\*\], \[i\]-vii, \[1\]-404. *Copies*: BR, L, M, NY, PH. – Published by E. Burnat, Matériaux pour servir à I'histoire de la flore des Alpes maritimes.
*Ref*.: Kneucker, A., Allg. bot. Z. 23: 27-28. 15 Dec 1917 (rev.).
##### n.18.555. Compositae- Hieracium.
**Title**
Das Pflanzenreich Regni vegetabilis conspectus im Aufträge der Preuss. Akademie der Wissenschaften herausgegeben von A. Engler, iv. 280... *Compositae-Hieracium.* Abteilung I. Sect. i-xxxix. – Leipzig (Verlag von Wilhelm Engelmann) 1921-1922. Oct.
**Notes**
*Publ*.: 1921-1922 in two "Abteilungen" and Hefte 75, 76, 77, 79 and Heft 82). For general details *Pflanzenreich* see A. Engler, TL-2/1713. *Copies*: BR, G, NY, U.- Issued as Pflanzenreich IV 280 as follows:
*Abteilung 1*: 1922, p. \[i-ii\].
*Heft 75*: 4 Feb 1921, p. \[i-ii\], \[1\]-288.
*Heft 76*: 10 Mai 1921, p. \[i-ii\], 289-576.
*Heft 77*: 18 Oct 1921, p. \[i-ii\], 577-864.
*Heft 79*: 14 Feb 1922, p. \[i-ii\], 865-1146.
*Abteilung II* (sect, xl-xlvii), Heft 82: 27 Feb 1923, p. \[i-ii\], \[1147\]-1705.
*Facsimile ed*.: 1957, Neudruck... Im Verlag von H.R. Engelmann (J. Cramer). Weinheim/Bergstr., in 2 vols, corresponding with the two *Abteilungen*, as original with new imprint. *Copy*: FAS.
##### n.18.556. Hieracium nouveaux de Suisse et de France
**Title**
*Hieracium nouveaux de Suisse et de France*... Extrait du Bulletin de la Société botanique de Genève... 1922 \[i.e. 1923\]. Oct.
**Notes**
*Senior author*: Henri Romieux (1857-1937), TL-2/4: 877.
*Publ*.: 19 Nov 1923 (in journal), cover-t.p., p. \[1\]-15. *Copies*: B, G. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 14: 117-130. 1923.
*Ser. 2*: 10 Apr 1926. – Id. ser. 2. 7: \[165\]-179. 1926.
*Ser. 3*: 7 Aug 1929, cover-t.p., p. \[145\]-155. *Copy*. G. – Id. ser. 2. 18: \[145\]-155. 1929.
Booknumber 18.557 nas not been used.
##### n.18.558. Descriptiones Hieraciorum novorum
**Title**
*Descriptiones Hieraciorum novorum* ex alpibus lemanibus... Extrait de Candollea ... Genève... 1924. Oct.
**Notes**
*Publ*.: Jan 1924, p. \[63\]-77. *Copy*: B. – Reprinted and to be cited from Candollea 2: \[63\]-77. 1924.
##### n.18.559. Hieracia helvetica nova
**Title**
*Hieracia helvetica nova*... \[Extrait du Bull. Soc. Murithienne... 1921-1924\]. Oct.
**Notes**
*Co-author*: Ernst Wilczek (1867-1948).
*Publ*.: 1924 (or 1925? AbZ 25 Mai 1926), p. \[1\]-16. *Copies*: B, M, NY. – Reprinted and to be cited from Bull. Soc. Murith. 42: 188-203. 1921-1924 (publ. 1925?).
##### n.18.560. Nouvelle série de Hieracium
**Title**
*Nouvelle série de Hieracium*... s.l.n.d. \[Bull. Soc. bot. Genève 1925\]. Oct.
**Notes**
*Publ*.: 15 Apr 1925 (in journal), cover-t.p., p. \[1\]-45. *Copy*: B. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 16: \[144\]-188. 1925. – Additions to the treatment of *Hieracium* in Engler's *Pflanzenreich*.
##### n.18.561. Hieracia transsilvanica
**Title**
*Hieracia transsilvanica* a d. E.I. Nyárády in montibus rætezatensibus et in regionibus adjacentibus lecta (cum nonnullis aliis montium carpatorum et bihariae)... Sep. ex: Buletinul Grædinii botanice... Cluj. 1928. Oct.
**Notes**
*Publ*.: 1928, cover-t.p., p. \[33\]-86. *Copy*: B. – Reprinted and to be cited from Bull. Græd. bot. Muz. bot. Univ. Cluj 8(2-4): \[33\]-86. 1928.
##### n.18.562. Hieracia nova
**Title**
*Hieracia nova* vel minus cognita *a* cl. Dr. *Pawiowski* in regionibus Tatrae magnae et occidentalis nec non in montibus Sarmaticis adjacentibus *lecta*... Cracovie \[Krakow\] (Imprimerie de l'Université) 1929. Oct.
**Notes**
*Publ*.: 1929, cover-t.p., p. \[203\]-214. *Copy*: B. – Reprinted and to be cited from Bull. Acad. Polon. Sci. Lettr. ser. B. Sci. nat. (Bot.) 1928: \[203\]-214. 1929.