> [!cite] BHL link: this entry starts at [page 32](https://www.biodiversitylibrary.org/page/33265229) of TL-2 Suppl. II
> Author links: [IPNI](https://www.ipni.org/a/601-1) LSID 601-1, [Wikidata](https://www.wikidata.org/wiki/Q6167449) QID Q6167449
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[Becker, Wilhelm|first entry]] for this author
### Author
\* Becker, Wilhelm (1874-1928), German (Prussian-Saxony) botanist, studied at Friedrich Gymnasium in Berlin, in Halberstadt 1888 at a teacher's college, teacher in Wettelrode (Harz) 1894; travelled in Tirol, N. Italy, Triest, Krain, Steyermark 1898, teacher in Burgörner nr. Hettstedt 1902-1903; id. at Hedersleben (nr. Magdeburg) 1903-1909; teacher at Ostrau (Bromberg) 1909-1913; id. in Schlaustedt (Prussian-Saxony) 1913-1914, Loitsche (id.) 1914-1916, Haferland (id.) 1916; on active duty 1916-1919, from then on living in Rosian (Jerichow, Prussian-Saxony), specialist in *Viola* and *Euphrasia*.
**Abbreviated name**: *W. Becker* \[standard form in IPNI: *W.Becker*\]
#### Herbarium and types
[[Collection B|B]] (orig. herb. incl. *Viola*); first *Viola* herbarium at [[Collection Z|Z]], further material (mostly exsicc.) at [[Collection FR|FR]], [[Collection GB|GB]], [[Collection GH|GH]], [[Collection GJO|GJO]], [[Collection GOET|GOET]], [[Collection M|M]], [[Collection P|P]], [[Collection W|W]]. – Issued *Violae exsiccatae germanicae*, *austo-hungariae et helvetiae* i-viii, nos. 1-202, 1900-1908; *Herbarium Violarum Europaei* (25 nos.), 1914.
#### Bibliography and biography
Barnhart 1: 150 (b. 1874, d. 12 Oct 1928); BJI 2: 9; DTS 6(4): 74, 111-114; Hegi 6(2): 1271; Hortus 3: 1188; IH 2: 64; Langman p. 122; Rehder 2: 106; TL-2/1: 161-162; Urban-Berl. p. 328; Zander ed. 10, p. 633, ed. 11, p. 719.
#### Biofile
- Anon., Kew Bull. 1929(3): 89 (obit. not.).
- Chiovenda, E., Nuovo Giorn. bot. ital. ser. 2. 31: 278-279. Oct 1926 (publ. on Viola in Alpi Lepontine).
- Fuchs, H.P., Bull. Murith. 109: 120-121. 1991 (biogr., publ., b. 24 Jan 1874, Halberstadt, d. 12 Oct 1928, Berlin).
- Görz, R., Verh. bot. Ver. Prov. Brandenburg 71: 142-150. 1928 (biogr., bibl. by H. Melchior).
- Kloos, A.W., Jr., Ned. Kruidk. Arch. 1928(2): 172-173 (in memoriam).
- Pohl, F., Generalregister Beih. Bot. Centralbl. 18-50: 5. 1942.
- Wagenitz, G., Index coll. princ. herb. Gotting. 20. 1982.
- Wein, K., Mitt. Thür. bot. Ver. ser. 2. 39: xiv-xvi. 1930 (b. 24 Jan 1874, Halberstadt, d. 12 Oct 1928, Berlin).
### Publications
##### n.20.651. Viola splendida et Viola Sieheana
**Title**
*Viola splendida et Viola Sieheana* spec. nov. 1902... \[Bulletin de l'Herbier Boissier ... 1902\]. Oct.
**Notes**
*Publ*.: 31 Jul 1902 (in journal), p. \[1\]-3. *Copies*: G, U, US. – Reprinted and to be cited from Bull. Herb. Boissier, ser. 2. 2(8): 750-752. 1902.
##### n.20.652. Ergebnisse einer Revision der Violae
**Title**
*Ergebnisse einer Revision der Violae* des Herbarium Barbey-Boissier... Extrait du Bulletin de l'Herbier Boissier... 1902. Oct.
**Notes**
*Publ*.: 30 Sep 1902 (in journal), p. \[1\]-5. *Copies*: B, G, L, U, US. – Reprinted and to be cited from Bull. Herb. Boissier ser. 2. 2(10): 825-856. 1902.
##### n.20.653. Viola cavillieri
**Title**
*Viola cavillieri* n. sp. e sectione Melanium DC.... Extrait du Bulletin de l'Herbier Boissier... 1902. Oct.
**Notes**
*Publ*.: 30 Dec 1902 (in journal), p. \[1\]-2. *Copies*: B, BKL, L, U, US. – Reprinted and to be cited from Bull. Herb. Boissier ser. 2. 3(1): 45-46. 1902.
##### n.20.654. Die Veilchen der bayerischen Flora
**Title**
*Die Veilchen der bayerischen Flora* mit Berücksichtigung des übrigen Deutschlands ... München (Druck von Val. Höfling,...) 1902. Oct.
**Notes**
*Publ*.: 1902 (Nat. Nov. Jan (2) 1903), cover-t.p., p. \[1\]-35. *Copies*: B, G. – Reprinted and to be cited from Ber. Bayer. bot. Ges. 8(2): 247-281. 1902.
*Ref*.: Kneucker, A., Allg. bot. Z. 9: 16. 15 Jan 1903 (rev.).
- *Other reprint* (same text): "*Flora der Violaceen*" p. \[247\]-281. *Copies*: G, L. – Id. 8(2): 247-281. 1902.
##### n.20.655. Ueber den Formenkreis der Viola lutea
**Title**
*Ueber den Formenkreis der Viola lutea* Huds. s.l.... Extrait du Bulletin de l'Herbier Boissier... 1903. Oct.
**Notes**
*Publ*.: 30 Sep 1903 (in journal); p. \[1\]-3. *Copies*: L, U, US. – Reprinted and to be cited from Bull. Herb. Boissier ser. 2. 3(10): 889-891. 1903.
##### n.20.656. Viola diversifolia
**Title**
*Viola diversifolia* (DC. pr. var. V. Cenisiae) W. Becker... Extrait du Bulletin de l'Herbier Boissier... 1903. Oct.
**Notes**
*Publ*.: 30 Sep 1903 (in journal), p. \[1\]-2. *Copies*: L, U, US. – Reprinted and to be cited from Bull. Herb. Boissier ser. 2. 3(10): 892-893. 1903.
##### n.20.657. Zur Veilchenflora Tirols
**Title**
*Zur Veilchenflora Tirols*... \[Z. Ferdinandeum, Innsbruck 1904\]. Oct.
**Notes**
*Publ*.: 1904 (copy reprint in dedication to Emile Burnat, copy G, signed by author 6 Dec 1904), p. \[1\]-24. *Copies*: G, L. – Reprinted and to be cited from Z. Tirol. Ferdinandeum, Innsbruck ser. 3. 48: 323-346. 1904.
*Ref*.: Leeke (Halle a. S.), Bot. Centralbl. 99(27): 11. 11 Jul 1905 (rev.).
##### n.20.658. Systematische Behandlung der Viola arvensis
**Title**
*Systematische Behandlung der Viola arvensis* s.l. auf Grundlage unserer phylogenetischen Kenntnisse... Sonder-Abdruck aus "Mitteilungen des Thür. Bot. Vereins",... 1904. Oct.
**Notes**
*Publ*.: 1904, p. \[26\]-49, *1 pl*. (uncol phot.). *Copies*: B, G. – Reprinted and to be cited from Mitt. Thür. bot. Ver. 19: 26-49, *1 pl*. 1904.
##### n.20.659. Die systematische Behandlung
**Title**
*Die systematische Behandlung* der Formenkreise *der Viola\[e\] calcarata und lutea* (im weiteren Sinne genommen) auf Grundlage ihrer Entwicklungsgeschichte... Abdruck aus Beihefte zum Botanischen Centralblatt... 1905. Oct.
**Notes**
*Publ*.: 1905, cover \[identif.\], p. \[347\]-393. *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. Abt. 2. 18(3): 347-393. 1905.
##### n.20.660. Ein Beitrag zur Veilchenflora Asiens
**Title**
*Ein Beitrag zur Veilchenflora Asiens*... Sonderabdruck aus "Beihefte zum Botanischen Centralblatt"... 1906. Oct.
**Notes**
*Publ*.: 1906 (Nat. Nov. Sep (2) 1906), p. \[125\]-127. *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. Abt. 2. 20(1): 125-127. 1906.
##### n.20.661. Systematische Bearbeitung der Viola alpina
**Title**
*Systematische Bearbeitung der Viola alpina* s.l. und einiger in meinen Arbeiten noch nicht behandelten Arten... Sonderabdruck aus "Beihefte zum Botan. Centralblatt"... 1907. Oct.
**Notes**
*Publ*.: 1907, p. \[291\]-295. *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. Abt. 2. 21(3): 291-295. 1907.
##### n.20.662. Beiträge zur Violenflora Asiens
**Title**
*Beiträge zur Violenflora Asiens*... Bulletin de l'Herbier Boissier... 1908. Oct.
**Notes**
*Publ*.: 31 Dec 1908 (in journal), p. \[1\]-6. *Copies*: L, U, US. – Reprinted and to be cited from Bull. Herb. Boissier ser. 2. 8(10): 739-741. 1908.
##### n.20.663. Zwei Violen aus Peru
**Title**
*Zwei Violen aus Peru*... Sonderabdruck aus Fedde, Repertorium... 1909. Oct.
**Notes**
*Publ*.: 20 Mai 1909 (in journal), p. \[1\]. *Copy*: B. – Reprinted and to be cited from Fedde Repert. Sp. Nov. 7(137-139): 123-124. 1909.
##### n.20.664. Die Anthylliden des Berliner Botanischen Museums
**Title**
*Die Anthylliden des Berliner Botanischen Museums*... Separatabdruck aus "Allgemeine Botanische Zeitschrift"... Karlsruhe i. B. 1910. Oct.
**Notes**
*Publ*.: Oct 1910 (in journal), p. \[1\]-3. *Copy*: B. – Reprinted and to be cited from Allg. bot. Z. 1910(10): 158-160.
##### n.20.665. Bearbeitung der Anthyllis-Sektion Vulneraria
**Title**
*Bearbeitung der Anthyllis-Sektion Vulneraria* DC.... Sonderabdruck aus "Beihefte zum Botanischen Centralblatt"... Dresden (Verlag C. Heinrich) 1910. Oct.
**Notes**
*Publ*.: 1910, cover \[identif.\], p. \[256\]-287. *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. Abt. 2. 27 (2): 256-287. 1910.
##### n.20.666. Violae Europaeae
**Title**
*Violae Europaeae*. Systematische Bearbeitung der Violen Europas und seiner benachbarten Gebiete... Dresden-N. (Verlag von C. Heinrich) 1910. Oct.
**Abbreviated title**: *Viol. Europ.*
**Notes**
*Publ*.: Apr-Jul 1910 (Nat. Nov. Aug (2)), cover-t.p., p. \[i\]-iv, \[1\]-153. *Copy*: L.
##### n.20.667. Die Violen der Schweiz
**Title**
*Die Violen der Schweiz*... Zürich (... gedruckt von Zürcher & Furrer in Zürich...) 1910. Oct.
**Abbreviated title**: *Viol. Schweiz*.
**Notes**
*Publ*.: Apr-Jul 1910 (Bot. Centralbl. 16 Aug 1910), p. \[i\*\], \[i\]-viii, \[1\]-82, *pl. 1-4* (uncol., 1-3 drawings, 4 phot.). *Copy*: U. – Issued as Mém. 1 of Neue Denkschr. Schweiz. naturf. Ges. 44. 1910.
##### n.20.668. Anthyllisstudien
**Title**
*Anthyllisstudien*... Sonderabdruck aus "Beihefte zum Botan. Centralbl."... Dresden (Verlag C. Heinrich) 1912. Oct.
**Notes**
*Publ*.: 1912, p. \[16\]-40. *Copy*: B. – Reprinted and to be cited from Beih. Bot. Centralbl. Abt. 2. 29(1): 16-40. 1912.
##### n.20.669. Zur Klärung der Viola Patrinii
**Title**
*Zur Klärung der Viola Patrinii* DC. und ähnlicher Arten... Leipzig (Verlag von Wilhelm Engelmann) 1917. Oct.
**Notes**
*Publ*.: 17 Apr 1917 (in journal), cover-t.p., p. \[i, recto of 156\], \[156\]-189, *pl. 1-2* (uncol. maps). *Copies*: B, G, L. – Reprinted and to be cited from Bot. Jahrb. 54(5), Beibl. 120: 156-189, *pl. 3-4.* 1917.
##### n.20.670. Spergula vernalis
**Title**
*Spergula vernalis* Willd. *var*. *palaeomachica* var. nov.... Separat-Abdruck aus den Verhandlungen des Botanischen Vereins der Provinz Brandenburg... 1919 \[i.e. 1920\]. Oct.
**Notes**
*Publ*.: 10 Jan 1920 (in journal), p. \[1\]-2. *Copy*: B. – Reprinted and to be cited from Verh. Bot. Ver. Prov. Brandenburg 61: 76-77. 1920.
##### n.20.671. Violae novae praecipue Asiaticae
**Title**
*Violae novae praecipue Asiaticae*... Separatabdruck aus Fedde, Repertorium... 1921. Oct.
**Notes**
*Publ*.: 1 Apr 1921 (in journal), p. \[72\]-76. *Copies*: B, L. – Reprinted and to be cited from Fedde Repert. Sp. Nov. 17: 72-76. 1921.
##### n.20.672. Euphrasiae novae
**Title**
*Euphrasiae novae*... Sonderabdruck aus Fedde, Repertorium... 1921. Oct.
**Notes**
*Publ*.: 30 Jun 1921 (in journal), p. \[126\]-127. *Copy*: B. – Reprinted and to be cited from Fedde Repert. Sp. Nov. 17: 126-127. 1921.
##### n.20.673. Euphrasia tavastiensis
**Title**
*Euphrasia tavastiensis* spec. nov. aus Finnland... Sonderabdruck aus Fedde, Repertorium... 1921. Oct.
**Notes**
*Publ*.: 31 Oct 1921 (in journal), p. \[286\]-287. *Copy*: B. – Reprinted and to be cited from Fedde Repert. Sp. Nov. 17: 286-287. 1921.
##### n.20.674. Die Violen der Philippinen
**Title**
*Die Violen der Philippinen*... Manila (Bureau of printing) 1921. Oct.
**Notes**
*Publ*.: Dec 1921, cover-t.p., p. 707-722. *Copy*: B. – Reprinted and to be cited from Philipp. J. Sci. 19(6): 707-722. 1921.
##### n.20.675. Plantae sinenses
**Title**
*Plantae sinenses* a dre. H. Smith annis 1921-1922 lectae. xv. *Violaceae*... \[Meddelanden från Göteborgs Botaniska Trädgård... 1926\]. Oct.
**Notes**
*Publ*.: 27 Apr 1926 (date on p. 288), p. \[285\]-288. *Copy*: B. – Reprinted and to be cited from Medd. Göteborgs Bot. Trädgård 2: 285-288. 1926.
##### n.20.676. The genus Viola in Kamtschatka
**Title**
*The genus Viola in Kamtschatka*... Arkiv för Botanik... 1928. Oct.
**Abbreviated title**: *Viola in Kamtschatka*.
**Notes**
*Publ*.: 18 Apr 1928 (date on p. 8), p. \[1\]-8. *Copies*: B, U. – Issued as Ark. Bot. 22A, no. 3, 1928.
##### n.20.677. Violae novae balcanicae
**Title**
*Violae novae balcanicae*... Extrait du Bulletin de l'Institut et du Jardin Botaniques de l'Université de Belgrade... 1928. Oct.
**Notes**
*Publ*.: 1928, p. \[33\]-35, *pl. 3-4* (uncol. phot.). *Copy*: B. – Reprinted and to be cited from Bull. Inst. Jard. bot. Univ. Belgrade 1(1): 33-35, *pl. 3-4.* 1928.