> [!cite] BHL link: this entry starts at [page 637](https://www.biodiversitylibrary.org/page/33120768) of TL-2 Vol. I
> Author links: [IPNI](https://www.ipni.org/a/17850-1) LSID 17850-1, [Wikidata](https://www.wikidata.org/wiki/Q1628506) QID Q1628506
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[De Toni, Giovanni Batista (Suppl.)|second entry]] for this author
### Author
De Toni, Giovanni Batista (1864-1924), Italian phycologist.
**Abbreviated name**: *De Toni* \[standard form in IPNI: *De Toni*\]
#### Herbarium and types
[[Collection NAP|NAP]].
*Exsiccatae* (Sayre 1969): *Herbarium phycologicum* (dec. 1-2, nos. 1-20) Padua 1896, copies [[Collection BM|BM]], [[Collection FH|FH]], [[Collection L|L]]; *Phycotheca italica*, collezione di alghe italiane (cent. 1-2, fasc. 1-4, nos. 1-200) Venezia 1886-1889. Sets at [[Collection BM|BM]], [[Collection G|G]], [[Collection K|K]], [[Collection KIEL|KIEL]], [[Collection PAV|PAV]], [[Collection PC|PC]], [[Collection UPS|UPS]].
*Ref*.: IH 2: 160.
- Koster, Taxon 18: 551. 1969.
- Sayre, Mem. New York Bot. Gard. 19: 70. 1969.
#### Bibliography and biography
Barnhart 1: 448; BM 1: 448, 6: 264; Bossert p. 100; GR p. 540; Langman p. 240; LS 26909-26915; Saccardo 1: 65-66.
- De Toni, Sylloge alg. 1: xxii-xxxiii. 1889.
- Wittrock, Acta Horti Berg. 3(2): 162. *pl. 31.* 1903 (portr.), 3(3): 178. 1905.
- Anon., Science ser. 2. 60: 265. 1924.
- Forti, Bull. Soc. bot. Ital. 1624: 154-159.
- Béguinot, Archivio bot., Modena 1: 5-18. 1925 (bibl., portr.)
- Forti, Rev. algol. 2: 228-240. 1925 (portr., bibl.)
- Forti, Rivista Storia Sci. med. nat. 16(1/2): \[12 p.\]. 1925, *repr*. BR.
- De Wildeman, Bull. Soc. Bot. Belg. 57(2): 110-112. 1925.
- Gepp, Proc. Linn. Soc. 137: 71-72. 1925.
#### Composite works
Editor of *La Nuova Notarisia*, 1-36, 1890-1925.
#### Eponymy
*Detonia* Frenguelli (1949); *Detonia* P. A. Saccardo (1889); *Detonina* O. Kuntze (1891); *Detonula* Schütt ex G. B. De Toni (1894).
### Publications
##### n.1421. Sylloge algarum
**Title**
*Sylloge algarum* omnium hucusque cognitarum. Padova 1889-1924, 6 vols. Oct.
**Abbreviated title**: *Syll. alg.*
**Notes**
|vol.|/sect. |pages |dates|
|--- |--- |--- |--- |
|1| |\[3\]-12, \[i\]-cxxxix, 1-1315 |25 Jul 1889|
|2|(1) |\[i\*-iii\*\], \[i\]-cxxxii, \[1\]-490 |25 Jul 1891|
| |(2) |\[i-v\], 491-817 |12 Feb 1892|
| |(3) |\[i-v\], 819-1556 |28 Apr 1894|
|3| |\[i\]-xvi, \[1\]-638 |14 Nov 1895|
|4|(1) |\[i\]-xx, \[i\]-lxi, \[1, h.t.\], \[1\]-388 |14 Nov 1897|
| |(2) |\[i-v\], 387-776 |2 Jan 1900|
| |(3) |\[i\], frontisp., \[iii-v\], 775-1521 |17 Jun 1903|
| |(4) |\[i-v\], 1523-1973 |9 Jan 1905|
|5| |\[ii-viii\], \[1\]-761 |11 Mai 1907 by A. Forti|
|6| |\[iv\]-xi, \[1\]-767 |1 Feb 1924|
| | |('sect. 5' refers to cont. of vol. 4)|
*Copy*: U. – Second title-pages with separate title for each volume:
1: Sylloge chlorophycearum omnium hucusque cognitarum.
2(1): Sylloge Bacillariearum... Rhaphideae...
- (2): Sylloge Bacillariearum... Pseudoraphideae...
- (3): Sylloge Bacillariearum... Cryptoraphideae...
3: Sylloge Fucoidearum...
4: Sylloge Floridearum... sectio i\[-iv\].
5: Sylloge Myxophycearum... digessit Doct. Achilles Forti...
6: Sylloge Floridearum... sectio v. additamenta.
*Bibliotheca phycologica*: 1: i-cxxix. 25 Jul 1889.
*Bibliotheca diatomologica* 2(1): i-cxxxii. 25 Jul 1892.
*Repertorium geographico-polyglottum*, 8, ccxiv p., dated 18 \[not 28\] Apr 1894, issued with 2(3), 28 Apr 1894, by Ettore De Toni.
*Bibliotheca phycologica, addenda*: 4(1): i-lxi. 14 Nov 1897.
*Ref*.: BM 6: 264.
- Forti, Rev. algol. 2: 239. 1925.
##### n.1422. Flora algologica della Venezia
**Title**
*Flora algologica della Venezia*. Venezia (G. Antonelli) 5 parts 1885-1898. Oct. (in fours)
**Abbreviated title**: *Fl. algol. Venezia*.
**Notes**
*Co-author*: David Levi (for parts 1-3).
*Parte prima*: Le Floridee, Sep-Nov 1885 (p. 5: 12 Aug 1855; Nat. Nov. Dec 1885), p. \[1\]-182. *Copy*: BR. – *Atti Ist. ven. Sc. Lett.* ser. 6. vol. 3.
*Parte seconda*: Le Melanoficee, 1886 (Nat. Nov. Mai 1887), p. \[1\]-109. *Copy*: BR. – *Atti* ser. 6. vol. 4.
*Parte terza*: Le Cloroficee, Jan-Mar 1888 (p. 4: 7 Aug 1887; Nat. Nov. Apr 1888), p. \[1\]-206. *Copy*: BR. – *Atti* ser. 6. vols. 5 & 6.
*Parte quarta*: Le Micoficee (Cianoficee), 1892, p. \[1\]-102, *Atti* ser. 7. vol. 3, p. 385-436, 645-692 \[3 = 385, 102 = 692\].
*Parte quinta*: Le Bacillariee (Diatomee), 1898, p. \[i\], \[1\]-171. *Copy*: *BR. – Atti ser.* 7. vols. 8 & 9, p. 1051-1086, 76-92, 243-258, 1065-1081, 1195-1234, 1618-1662.
##### n.1423. Phyceae japonicae novae
**Title**
*Phyceae japonicae novae* addita enumeratione algarum in ditione maritima japoniae hucusque collectarum. Alghe marine del Giappone ed isole ad esso appartenenti con illustrazione di alcune specie nuove (con 2 tavole). Venezia (Carlo Ferrari) 1895. Qu.
**Abbreviated title**: *Phyceae jap. nov.*
**Notes**
*Publ*.: 1895, late (Nat. Nov. Jan 1896), p. \[1\]-78, *pl. 1-2. Copy*: PCS. – Reprinted from Mem. r. Ist. Veneto Sci. Let. Arti 25(5). 1895.
##### n.1424. Analisi microscopica di alcuni saggi di fitoplancton
**Title**
*Analisi microscopica di alcuni saggi di fitoplancton* raccolti dalla R.N. "Liguria." Venetia (Carlo Ferrari) 1916. Qu.
**Abbreviated title**: *Anal. microsc. fitopl.*
**Notes**
*Co-author*: Achille Italo Forti (1878-1937).
*Publ*.: May-Dec 1916, most probably late Nov or early Dec 1916 (presented to Ist. Veneto 30 Apr 1916, PCS copy signed as rd Verona 5 Dec 1916), p. \[i\], \[1\]-33, *pl. 1-3. Copy*: PCS, reprinted from Mem. Ist. Veneto Sci. Lett. Arti 29(1).