> [!cite] BHL link: this entry starts at [page 435](https://www.biodiversitylibrary.org/page/33212477) of TL-2 Vol. VI > Author links: [IPNI](https://www.ipni.org/a/10792-1) LSID 10792-1, [Wikidata](https://www.wikidata.org/wiki/Q36600759) QID Q36600759 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Trappen, Johannes \[Jan\] Everhardus van der (*fl*. 1834-1849), Dutch botanist and physician; studied medicine at Utrecht University; Dr. med. Utrecht 1843; practicing physician at Naaldwijk (Westland, Holland). **Abbreviated name**: *Trappen* \[standard form in IPNI: *Trappen*\] #### Herbarium and types [[Collection L|L]] (through D.J. Coster). – On the mss. *Flora westlandica* see Jansen & Wachter (1941) and H. Kleijn (1943). For a description of the original herbarium, collections and plates with illustrations of fungi see Allg. Konst- Letterb. 1853(2): 190; a set of illustrations of fungi is in the University Library of Amsterdam. #### Bibliography and biography BL 2: 428, 440, 724; BM 5: 2132; Herder p. 77; Jackson p. 325; JW 3: 372, 4: 410, 5: 253-254; NI 3: 65; PR 4822, 9435-9436, ed. 1: 5358, 10400-10401; Rehder 5: 856; TL-1/608; TL-2/2007, 3874; Tucker 1: 696. #### Biofile - Anon., Brit. Mus. gen. cat. print. books 240: 913-914. 1964. - Jansen, P. & W.H. Wachter, Ned. kruidk. Arch. 51: 431-434. 1941 (on his herbarium and other collections and a mss. Flora westlandica). - Kleijn, H., Ned. kruidk. Arch. 52: 258-287. 1943 (descr. mycological plates). - Trappen, J.E. van der, Allg. Konst- Letterb. 1853(2): 190-191 (herbarium for sale; to be sold by auction Nov 1853; list of species new for the Westland region). #### Composite works Editor, with J. Kops, *Fl. bat*. vols. 9-10, see TL-2/3874. – See also *Algemeen Register* to *vols. 1-8*, Utrecht 1844 (preface), p. \[i\]-xcvi. *Copy*: U. ### Publications ##### n.14.872. Responsio ad quaestionem botanico-oeconomicam **Title** Johannis Everhardi van der Trappen, med. cand. *Responsio ad quaestionem botanico-oeconomicam*, ab ordine nob. math. et phil. nat. in Academia Rheno-Trajectina propositam: "Queritur historia *Solani tuberosi* L. hujusque plantae descriptio botanica, culturae modus et varius usus oeconomicus." Quae praemium reportavit die xxvi m. martii a. mdcccxxxv. Trajecti ad Rhenum \[Utrecht\] (apud Joh. Altheer, Academiae typographum) 1835. Oct. **Abbreviated title**: *Resp. quaest. bot*.-*oecon.* **Notes** *Publ*.: 26 Mar 1835, p. \[1\]-153, \[154, index\]. *Copies*: NY, U. ##### n.14.873. Herbarium vivum **Title** *Herbarium vivum*, of verzameling van gedroogde voorbeelden van nuttige gewassen, vooral van dezulke, die in Nederland inlandsch zijn of geteeld worden, en wier kennis voor landbouw, handel en fabrijken belangrijk is, met derzelver beschrijving;... als bekroonde prijsverhandeling uitgegeven,... te Haarlem (bij Vt. Loosjes...) 1839-1843. 2 vols. Oct. **Abbreviated title**: *Herb. viv.* **Notes** *1*: 1839, p. \[iii\]-xvi, \[1\]-747. *2*: 1843 (p. vi: 3 Mar 1843), p. \[i\]-xvi, \[1\]-955, \[i, half title for vol. 2 to be used on back of binding\]. *Copies*: B-S, NY, U, U-UB. ##### n.14.874. Specimen historico-medicum de Coffea **Title** *Specimen historico-medicum de Coffea*, quod ex auctoritate rectoris magnifici Cornelii Adriani Bergsma,... amplissimique Senatus Academicis consensu et nobilissimae Facultatis medicae decreto, pro gradu doctoratus, summisque in medicina honoribus ac privilegiis in Academia rheno-trajectina, rite ac legitime consequendis, eruditorum examini submittit Johannes Everhardus van der Trappen haganus \[of the Hague, 's Gravenhage\]. A.D. xxii m. decembris, anni mdcccxliii, hora vi. Trajecti ad Rhenum \[Utrecht\] (apud Kemink & Filium typogr.) 1843. Oct. **Abbreviated title**: *Spec. hist*.-*med. Coffea*. **Notes** *Publ*.: 22 Dec 1843, p. \[i-vi\], \[1\]-152 (137-140: "Sententiae", theses\]. *Copies*: HH, NY, U. *Note*: Cornelis Adriaan Bergsma (1798-1859) was professor of botany at the University of Utrecht from 1835-1859, preceding the real founder of Utrecht plant systematics, F.A.W. Miquel, q.v. Bergsma was "rector magnificus" (chairman of the Senate) in 1843 when his student van der Trappen took his degree. ##### n.14.875. Bijdrage tot de kennis aan Neêrlana **Title** *Bijdrage tot de kennis aan Neêrlana*"*s flora*;... te 's Gravenhage (by A. Kloots & Comp....) \[1852\]. Oct. (in fours). **Abbreviated title**: *Bijdr. Neêrl.fl.* **Notes** *Publ*.: 1852 (p. iv; Jan 1852), p. \[i-iv\], \[1\]-52. *Copies*: AMD-UB, KNAW. List of plants in the "Westland" (S.W. Holland).