> [!cite] BHL link: this entry starts at [page 847](https://www.biodiversitylibrary.org/page/33120978) of TL-2 Vol. I
> Author links: [IPNI](https://www.ipni.org/a/2788-1) LSID 2788-1, [Wikidata](https://www.wikidata.org/wiki/Q4491255) QID Q4491255
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[Flörke (Floerke), Heinrich Gustav (Suppl.)|second entry]] for this author
### Author
Floerke, Heinrich Gustav (1764-1835), German lichenologist, professor of botany at Rostock.
**Abbreviated name**: *Floerke* \[standard form in IPNI: *Flörke*\]
#### Herbarium and types
[[Collection B|B]] (first lichen herbarium, until 1816, originally at [[Collection ROST|ROST]], later at [[Collection B|B]], now destroyed), later collections [[Collection ROST|ROST]] (still extant), other material at [[Collection GOET|GOET]], [[Collection FH|FH]] and [[Collection LE|LE]].
*Exsiccatae*:
1. *Cladoniarum exemplaria exsiccata, commentationem novam illustrantia* (facs. i-iii, nos. 1-60, Rostock 1829), sets at [[Collection B|B]] (destroyed) and [[Collection L|L]].
2. *Deutsche Lichenen* (fasc. i-x, nos. 1-200, 43 p. text, fasc. 1-3 Berlin 1815, 4-10 Rostock 1819-1821), sets at [[Collection B|B]] (destroyed), [[Collection BM|BM]], [[Collection BR|BR]], [[Collection G|G]], [[Collection HAL|HAL]], [[Collection L|L]], [[Collection LD|LD]], [[Collection M|M]], [[Collection NEU|NEU]], [[Collection O|O]], [[Collection S|S]], [[Collection UPS|UPS]].
*Ref*.: GR p. 12; IDC 460 (Deut. Lich. fasc. 1-3, text); IH 1 (ed. 6): 358, 2: 200; PR 2941-2942.
- Schlechtendal, Bot. Zeit. 1: 16-17. 1843.
- Candolle, Phytographie 412. 1880.
- Urban, Gesch. Berlin-Dahlem 286. 1916.
- Hawksworth, Mycologist's handb. 182. 1974.
#### Bibliography and biography
Barnhart 1: 551; BM 2: 584; Bossert p. 128; CSP 2: 641, 6:657, 7: 679; DTS 1: 70-71, 4: xliv; Jackson p. 476; KR p. 191; LS 8838-8864; MW p. 120; PR 2941-2942.
- Anon., Flora 18: 760. 21 Dec 1835.
- Boll, Fl. Mecklenb. 154-155. 1860.
- Coemans, Bull. Soc. bot. Belg. 3: 349-359. 1864 (bibl.), also in Flora 50: 186-190, 205-208. 1867 (bibl.) and in Ann. Mag. Nat. Hist. 19: 197-203. 1867.
- Oltmanns, Arch. Ver. Freunde Naturgesch. Mecklenburg 47 (1893): 113, 117, 119-120. 1894.
- Schmid, Chamisso als Naturforscher 17, no. 303. 1942.
- Richter et al., Wiss. Z. Univ. Rostock 17: 263-275. 1968 (n.v.)
#### Eponymy
*Floerkea* K. P. J. Sprengel (1818); *Floerkea* Willdenow (1801).
### Publications
##### n.1807. De Cladoniis
**Title**
*De Cladoniis*, difficillimo lichenum genere, commentatio nova. Rostock (Stiller) 1828. Oct.
**Abbreviated title**: *De Cladon.*
**Notes**
*Publ*.:Jul 1828, \[1\]-186. *Copies*: NY, Stevenson. – Accompanied by *Cladoniarum exemplaria exsiccata* (see above).
*Ref*.: BH; BM 2: 584; DTS 1: 71; LS 8861; PR 2942.