> [!cite] BHL link: this entry starts at [page 445](https://www.biodiversitylibrary.org/page/33068687) of TL-2 Vol. II
> Author links: [IPNI](https://www.ipni.org/a/4499-1) LSID 4499-1, [Wikidata](https://www.wikidata.org/wiki/Q11977695) QID Q11977695
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Jørstad, Ivar (1887-1967), Norwegian mycologist and phytopathologist; studied at Oslo and Madison, Wisc. (M. Se. 1920); from 1920-1957 government mycologist at Oslo; Dr. phil. Oslo 1934.
**Abbreviated name**: *Jörst.* \[standard form in IPNI: *Jørst.*\]
#### Herbarium and types
[[Collection O|O]]; other material at [[Collection C|C]], [[Collection MICH|MICH]], [[Collection PR|PR]].
#### Bibliography and biography
Barnhart 2: 254; IH 2: 332.
- Gjaerum, Blyttia 25(3): 85-87. 1967.
- Hesler, L. R., Biogr. sketches N. Amer, mycol. 1975, mss.
- Jørstad, I., Personal communication to senior author 1958.
- Robak, Årb. norske Vid.-Selsk. Oslo 1968: 116-121. 1969.
- Reed, Mycologia 63: 697-700. 1968.
- Roll-Hansen, Friesia 8(2): 113-116. 1968 (portr.).
### Publications
##### n.3359. Chytridineae, Ustilagineae and Uredineae from Novaya Zemlya
**Title**
*Chytridineae, Ustilagineae and Uredineae from Novaya Zemlya*... Kristiania \[Oslo\] (A. W. Brøggers Boktrykkeri a/s) 1923 \[i.e. 1924\]. Oct.
**Abbreviated title**: *Chytrid. Nov. Zemlya*.
**Notes**
*Publ*.: early 1924 (t.p. 1923 but printed, not published 31 Dec 1923), p. \[1\]-12. *Copy*: FH. – Report scientific results Norwegian expedition to Novaya Zemlya 1921, no. 18.
##### n.3360. The Erysiphaceae of Norway
**Title**
*The Erysiphaceae of Norway*... Oslo (i kommission hos Jacob Dybwad) 1925. Oct.
**Abbreviated title**: *Erysiph. Norway*.
**Notes**
*Publ*.: 1925 (submitted 27 Feb 1925), p. \[1\]-116. *Copies*: FH, USDA. – Skr. Norske Vid. Akad. Oslo, mat.-nat. Kl. 1925, no. 10.
##### n.3361. A study on Kamchatka Uredinales
**Title**
*A study on Kamchatka Uredinales*... Oslo (i kommission hos Jacob Dybwad) 1934. Oct.
**Abbreviated title**: *Kamchatka Ured.*
**Notes**
*Publ*.: Mai \[Oct\] 1934 (printed 30 Apr 1934; J. was awarded the degree of Dr. phil. on the basis of this treatise on 17 Nov 1934), p. \[1\]-183, \[184, colophon\]. *Copy*: FH. – Skr. Norske Vid.-Akad. Oslo, mat.-nat. Kl. 1933, no. 9.