> [!cite] BHL link: this entry starts at [page 297](https://www.biodiversitylibrary.org/page/33260285) of TL-2 Suppl. VI
> Author links: [IPNI](https://www.ipni.org/a/18420-1) LSID 18420-1, [Wikidata](https://www.wikidata.org/wiki/Q21511702) QID Q21511702
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Ekstam, Otto Josef Agaton (1870-1931), Swedish botanist, born 27 Oct 1870 at Stockholm, went to schools at Stockholm and studied from 1894 at Uppsala, fil. kand. 1898, fil. lic. 1899, later director van Kungsholms middelbare school 1914, died 1931.
**Abbreviated name**: *Ekstam* \[standard form in IPNI: *Ekstam*\]
#### Herbarium and types
[[Collection B|B]], [[Collection C|C]], [[Collection F|F]], [[Collection GB|GB]], [[Collection L|L]], [[Collection LD|LD]], [[Collection RM|RM]], [[Collection S|S]], [[Collection S|S]]-PA.
#### Bibliography and biography
Barnhart 1: 502 (b. 27 Oct 1870, Stockholm); CSP 14: 810; IH 2: 180; Kew 2: 180; KR p. 156-167; Rehder 5(index): 254; SBC p. 119; Urban-Berl. p. 343.
#### Biofile
- Anon., Bot. Not. 1898: 167, 1901: 209, 1902: 159.
- Fries, R.E., Short hist. bot. Sweden 47. 1950.
- Lack, H.W. and O. von Sydow, Willdenowia 13: 420. 1983.
- Sayre, G., Bryologist 80(3): 507. 1977.
### Publications
##### n.32.648. Teratologische Beiträge
**Title**
*Teratologische Beiträge*... Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar... 1894. Oct.
**Notes**
*Publ*.: 1894 (read 14 Feb 1894, Nat. Nov. Apr (2) 1894), p. 73-78. *Copies*: B; NY. – Reprinted and to be cited from Öfvers. K. Vetensk.-Akad. Förh. 1894(2): 73-78.
##### n.32.649. Blütenbestäubung
**Title**
Zur Kenntnis der *Blütenbestäubung* auf *Novaja Semlja*... Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar... 1894. Oct.
**Notes**
*Publ*.: 1894 (read 14 Feb 1894, Nat. Nov. Apr (2) 1894), p. 79-84. *Copy*: B. – Reprinted and to be cited from Öfvers. K. Vetensk.-Akad. Förh. 1894(2): 79-84.
##### n.32.650. Novaja Semljas fanerogamvegetation
**Title**
Bidrag till kännedomen om *Novaja Semljas fanerogamvegetation*... Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar... 1894. Oct.
**Notes**
*Publ*.: 1894 (read 11 Apr 1894, Nat. Nov. Jun (2) 1894), p. 171-175. *Copy*: G. – Reprinted and to be cited from Öfvers. K. Vetensk.-Akad. Förh. 1894(4): 171-175.
##### n.32.651. Blütenbestäubung
**Title**
Zur *Blütenbestäubung* in den *schwedischen Hochgebirgen*... Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar... 1894. Oct.
**Notes**
*Publ*.: 1894 (read 10 Oct 1894, Nat. Nov. Feb (1) 1895), p. 419-431. *Copy*: NY. – Reprinted and to be cited from Öfvers. K. Vetensk.-Akad. Förh. 1894(8): 419-431.
##### n.32.652. Kenntnis
**Title**
Neue Beiträge zur *Kenntnis* der *Gefässpflanzen Novaja Semlja's*... Sonderdruck aus "Engler's Botan. Jahrbüchern "... 1896. Oct.
**Notes**
*Publ*.: 22 Mai 1896 (in journal), cover-t.p., title recto of p. \[184\], p. \[184\]-201. *Copy*: G. – Reprinted and to be cited from Bot. Jahrb. 22(2): 184-201. 1896.
##### n.32.653. Blütenbiologische Beobachtungen
**Title**
*Blütenbiologische Beobachtungen* auf Novaja Semlja... Tromsø (Tryckt i Tromsøpostens Bogtr. ved M. Astad.) 1897. Oct.
**Notes**
*Publ*.: 1897 (Bot. Zeit. 55(Abth. II): 367. 1 Dec 1897, Nat. Nov. Dec (2) 1897), cover-t.p., p. \[109\]-198. *Copy*: B. – Reprinted and to be cited from Tromsø Mus. Aarsh. 18: 109-198. 1897.
*Note*: Title on p. 109 is "Einige Blütenbiologische Beobachtungen...".
##### n.32.654. Kenntnis
**Title**
Beiträge zur *Kenntnis* der *Gefässpflanzen Spitzbergen's*... Tromsø (Tryckt å Upsala Nya Tidnings akt-b.tr....) 1898. Oct.
**Notes**
*Publ*.: 1898, cover-t.p., p. \[67\]-71. *Copy*: G. – Reprinted and to be cited from Tromsø Mus. Aarsh. 20: 67-71. 1897 \[i.e. 1898\].
##### n.32.655. Kenntnis
**Title**
Beiträge zur *Kenntnis* der *Musci Novaja Semlja's*... Tromsø (Tryckt å Upsala Nya Tidnings akt-b.tr....) 1898. Oct.
**Notes**
*Publ*.: 1898, cover-t.p., p. \[72\]-80. *Copies*: B, G. – Reprinted and to be cited from Tromsø Mus. Aarsh. 20: 72-80. 1897 \[i.e. 1898\].