> [!cite] BHL link: this entry starts at [page 11](https://www.biodiversitylibrary.org/page/33258515) of TL-2 Suppl. VIII
> Author links: [IPNI](https://www.ipni.org/a/2908-1) LSID 2908-1, [Wikidata](https://www.wikidata.org/wiki/Q4993042) QID Q4993042
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[Friderichsen, Peter Kristian Nicolaj|first entry]] for this author
### Author
\* Friderichsen, \[Peter\] Kristian \[Nikolaj\] (1853-1932), Danish pharmacist and botanist (esp. interested in *Rosa* and *Rubus*), born 24 Jan 1853 in Copenhagen, worked from 1870 in a hometown pharmacy, asst. examination 1874 and Cand. pharm. 1876, lived in Jutland from 1880-1898 at Haderslev and Højer, pharmacist in Gudumholm 1899-1908 and from 1908 in Kjellerup where he died 31 Mar 1932.
**Abbreviated name**: *Frid.* \[standard form in IPNI: *Frid.*\]
#### Herbarium and types
[[Collection C|C]] (esp. *Rubus*), [[Collection DBN|DBN]].
*Exsiccatae*: (1) Friderichsen & O.C.L. Gelert, *Rubi exsiccati Daniae et Slesvigiae* (I-II, Ribe, nos. 1-60, 1885-1887) (*Rubi Exs. Daniae Slesv.*): [[Collection A|A]], [[Collection B|B]], [[Collection C|C]], [[Collection GH|GH]], [[Collection IBF|IBF]], [[Collection JE|JE]], [[Collection K|K]], [[Collection LD|LD]], [[Collection MANCH|MANCH]].
- (2): Id. (III, Horsens, nos. 61-101, 1888).
#### Bibliography and biography
AG 6(1): 483; APN p. 210; Backer p. 650; Barnhart 2: 10; BN p. 173; Christiansen p. 314; CSP 15: 131; IH 2: 209; Kew List p. 24; Rehder 5(index): 298; TL-2/1: 878; Tucker 1: 263, 3: 112.
#### Biofile
- Anon., Intl. address book botanists: 76. 1931.
- Allander, H., 1934. Bot. Not. 1934: 495-497. (portr.)
- Christensen, C., 1913. Danske Bot. Litt. 1880-1911: 121. (bibl., portr.)
- Christensen, C., 1926. Danske Bot. Hist. 1: 586-587, 810. (portr.)
- Dörfler, I., 1896. Botaniker-Adressbuch: 15; 1902. Id., ed. 2: 5. (as "Fridrichsen" in index); 1909. Id., ed. 3: 20.
- Fischer-Benzon, R.J.D., 1890. *In*, P. Prahl, Krit. Fl. Schlesw.-Holst. 2: 18.
- Franks, J.W., 1973. Manchester Mus. Publ., new ser., no. NS.1.73: 3, 14. (as "Friderichsen & Gelert")
- Lind, J., 1932. Bot. Tidsskr. 42(2): 207-209. (portr.)
- Nelson, E.C., 1980. Glasra 4: 47. (specimens at DBN)
### Publications
##### n.35.547. Rubus gelertii
**Title**
*Rubus gelertii* nov. spec.... Saertryk af Botanisk Tidsskrift... 1886. Oct.
**Notes**
*Publ*.: 1886, p. \[1-2, unnumb.\]. *Copy*: G. – Reprinted and to be cited from Bot. Tidsskr. 15(4): 237. 1886.
##### n.35.548. Danmarks
**Title**
*Danmarks* og *Slesvigs Rubi*... Saertryk af Botanisk Tidsskrift... 1887. Oct.
**Notes**
*Co-author*: Gelert, Otto Carl Leonor (1862-1899), see IH 2: 220 and below.
*Publ*.: 1887, p. \[46\]-138. *Copies*: G, HH, L. – Reprinted and to be cited from Bot. Tidsskr. 16(1-2): 46-135, 230-232 \[=index\], 236 (p.p.) \[=errata\]. 1887 \[1888\].
*Note*: In the journal, there is an abstract of this article in French on p. (10)-(31) (see nr. 35.549 below).
*Ref*.: Sabransky, H., Oesterr. Bot. Z. 37: 365-366. 1 Oct 1887 (rev.).
##### n.35.549. Rubus
**Title**
Les *Rubus* de *Danemark* et de *Slesvig*... Saertryk af Botanisk Tidsskrift... 1888. Oct.
**Notes**
*Co-author*: Gelert, Otto Carl Leonor (1862-1899), see IH 2: 220 and below.
*Publ*.: 1888, p. \[10\]-30, \[unnumb. p. "Post-scriptum"\]. *Copies*: HH, US. – Reprinted and to be cited from Bot. Tidsskr. 16(4): (10)-(30), \[(31), "Post-scriptum"\]. 1888.
##### n.35.550. Rubus commixtus
**Title**
Om *Rubus commixtus* og nærstaaende Former... Saertryk af Botanisk Tidsskrift ... 1889. Oct.
**Notes**
*Co-author*: Gelert, Otto Carl Leonor (1862-1899), see IH 2: 220 and below.
*Publ*.: Nov 1889 (in journal), p. \[245\]-247. *Copies*: G, HH. – Reprinted and to be cited from Bot. Tidsskr. 17(3): 245-247. 1889.
##### n.35.551. Rubus \*commixtus
**Title**
*Rubus \*commixtus*, nova subspecies... Saertryk af Botanisk Tidsskrift... 1889. Oct.
**Notes**
*Co-author*: Gelert, Otto Carl Leonor (1862-1899), see IH 2: 220 and below.
*Publ*.: Aug 1890 (in journal), p. \[1, unnumb.\]. *Copies*: G, HH. – Reprinted and to be cited from Bot. Tidsskr. 17(4): 330. 1890.
##### n.35.552. Rubus Schummelii
**Title**
Ueber *Rubus Schummelii* Whe., eine weitverbreitete Art... Separat-Abdruck aus "Botanisches Centralblatt"... 1896. Oct.
**Notes**
*Publ*.: 22 Mai 1896 (in journal), cover-t.p., p. \[1\]-7, \[i, printer's mark\]. *Copies*: G, HH. – Reprinted and to be cited from Bot. Centralbl. 66(7-8): 209-216. 1896.
##### n.35.553. Kenntnis
**Title**
Beiträge zur *Kenntnis* der *Rubi corylifolii*... Separat-Abdruck aus "Botanisches Centralblatt"... 1897. Oct.
**Notes**
*Publ*.: 1897 (p. 29 signed 25 Apr 1897, Nat. Nov. Jun (2) 1897 and Jan (1) 1898), cover-t.p., p. \[1\]-29, \[i, printer's mark\]. *Copies*: G, HH, L. – Reprinted and to be cited from Bot. Centralbl. 70(12): 340-350. 16 Jun, (13): 401-408. 23 Jun, 71(1): 1-13. 30 Jun 1897.
##### n.35.554. Nomenclatur
**Title**
Die *Nomenclatur* des *Rubus thyrsoideus*... Separat-Abdruck Botanisches Centralblatt... 1899. Oct.
**Notes**
*Publ*.: 22 Feb 1899 (in journal, signed 22 Oct 1898), p. \[1\]-7. *Copy*: G. – Reprinted and to be cited from Bot. Centralbl. 77(10): 331-336. 1899.
##### n.35.555. Rubi
**Title**
*Rubi* fra *Madeira*... Saertryk af Botanisk Tidsskrift... 1905. Oct.
**Notes**
*Publ*.: Dec 1905 (in journal) p. \[107\]-109. *Copy*: G. – Reprinted and to be cited from Bot. Tidsskr. 27(1): 107-109. 1905.