> [!cite] BHL link: this entry starts at [page 870](https://www.biodiversitylibrary.org/page/33069112) of TL-2 Vol. II > Author links: [IPNI](https://www.ipni.org/a/12651-1) LSID 12651-1, [Wikidata](https://www.wikidata.org/wiki/Q76319) QID Q76319 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Leysser, Friedrich Wilhelm von (1731-1815), German administrator and botanist; "Preussischer Kriegs- und Domänenrat" at Halle a. Saalc. **Abbreviated name**: *Leyss.* \[standard form in IPNI: *Leyss.*\] #### Herbarium and types Some material at [[Collection LINN|LINN]]. #### Bibliography and biography AG 2(1): 590; Barnhart 2: 377; BM 3: 1107; Dryander 3: 162, 224,4: 307,5: 325; Frank3(Anh.): 57; GR p. 28; Hortus3: 1198 ("Leyss."); IH 2: 439; Kew 3: 434; LS 15364; PR 5266; Quenstedt p. 262; Rehder 5: 508; SO 642a; Tucker 1: 426. - Drude, O., Hercyn. Florenbezirk 6, 10. 1902 (Veg. Erde vol. 6). - Fries, Th. M., Bref Skrifv. Linné 1(5): 89. 1911. - Garcke, C. A. F., F1. Halle viii-ix. 1848. - Stafleu, F. A., Linnaeus and the Linnaeans 18. 1971. #### Eponymy Leysera \[sic\] Linnaeus (1763). ### Publications ##### n.4483. Flora halensis **Title** Friderici Wilhelmi a Leysser *Flora halensis* exhibens plantas circa Halam salicam crescentes secundum systema sexuale linnaeanum distributas. Halae Salicae \[Halle a. Saale\] (sumtibus auctoris) 1761. Oct. **Abbreviated title**: *Fl. halens.* **Notes** *Ed. 1*: Jan 1761 (or even earlier; Linnaeus writes to D. van Royen on 22 Jan 1761 that he has just received the book; p. x: Oct 1760), p. \[i-xvi\], \[1\]-224, \[1-30, ind.\]. *Copies*: G, NY, USDA (Otto Kuntze's copy). *Editio altera* aucta et reformata. Halae Salicae (sumtibus auctoris. Typis C. G. Taeubel) 1783. Oct. – Frontisp., p. \[i-xii\], \[1\]-305, \[306, err.\], \[1-27, chronol., topol.\], \[28-38, index\]. *Copies*: BR, G, MICH, MO, NY. – Preface, p. \[viii\], dated Jun 1783. – The frontispiece depicts *Leysera gnaphalodes*. "Unicum praemium sed immortale." Johann Friedrich Wohlleben (q.v.) published a *Supplement ad leysseri floram halensem*.... fasciculus primus, Halae (Literis Michaelis) 1796. Oct., p. \[1\]-44, *I pl. Copy*: G.