> [!cite] BHL link: this entry starts at [page 480](https://www.biodiversitylibrary.org/page/33266157) of TL-2 Suppl. IV > Author links: [IPNI](https://www.ipni.org/a/17546-1) LSID 17546-1, [Wikidata](https://www.wikidata.org/wiki/Q3383270) QID Q3383270 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] > [!example] See also [[Crouan, Pierre Louis|first entry]] for this author ### Author \* Crouan, Pierre-Louis (1789-1871), French botanist and pharmacist, older brother of H.M. Crouan, born at Brest, Finistère, on probation pharmacist at Rouen, ca. 1830 pharmacist with his brother at Brest until 1860. **Abbreviated name**: *P. Crouan* \[standard form in IPNI: *P.Crouan*\] #### Herbarium and types See TL-2/1: 569. – Concarneaux, Lab. Zool., [[Collection PC|PC]]. – Further material at [[Collection B|B]], [[Collection BM|BM]], [[Collection BP|BP]], [[Collection C|C]], [[Collection HH (sensu TL-2)|HH]], [[Collection KIEL|KIEL]], [[Collection L|L]], [[Collection LD|LD]], [[Collection MPU|MPU]], [[Collection NTM|NTM]], [[Collection NY|NY]], [[Collection PC|PC]], [[Collection S|S]], [[Collection TCD|TCD]], [[Collection WRSL|WRSL]]. #### Bibliography and biography Barnhart 1: 399 (b. 27 Apr 1789, Brest, d. 19 Nov 1871, Brest); BL 2: 148, 644; BM 1: 403, 6: 241; CSP 2: 99; De Toni 1: xxvii, cxxxviii, 4: xiv; Frank 3(Anh.): 20; GR p. 272-273; GR cat. p. 62; IH 2: 145; Jackson p. 281; Kew 1: 651; KR p. 132; LS 6275-6277, 32.387; NAF ser. 2. 8: 46; NI 431; Nordstedt p. 12; PR 1976; Stevenson p. 1239; TL-2/1: 569-570, and see indexes; Tucker 1: 771. #### Biofile - Anon., Bull. Soc. bot. France 14(Bibl.): 152-153. 1867 (detailed rev. *of Florule du* *Finistère*), 19(C.R.): 76.1872 (death of both brothers). - Candolle, Alph. de, Phytographie 405. 1880. - Davy de Virville, A., Hist. bot. France 203, 204, 224, 237, 263. 1954. - Dixon, H.N., Brit. phycol. Bull. 3: 213-218. 1967. - Fournier, E., *in* H.E. Baillon, Dict. bot. 2: 277. 1881. - Guèguen, F., Bull. Soc. mycol. France 25: 69-78. 1909 (life and bibl.) (rev. by P. Vuillemin, Bot. Centralbl. 111(49): 608. 7 Dec 1909). - Hesse, F., Bull. Soc. bot. France 19(1): 76-79. 1872(originally publ. in l'Ocean, 29 Dec 1871 (n.v.), also reprinted in Annuaire Ville de Brest 1878 (n.v.). - Koster, J.Th., Taxon 18(5): 551. 1969 (list of herbarium material). - Laundon, J.R., Lichenologist 11: 8. 1979 (lichens also at Concarneau). - Sayre, G., Mem. New York Bot. Gard. 19(1): 68. 1969. - Seaver, F.J., North American Cup-fungi 352. 1942. - Van Landingham, S.L., Catal. Diat. 7: 4160-4161. 1978. #### Note - (1): Crouan, P.L. and H.M. Crouan, TL-2/1280, also on IDC microfiche B-63/2. - (2): Both Crouans have new species in C. Roumeguère xiv, *Centurie d'Algues des eaux* *douces et submarines de France*. ### Publications ##### n.28.296. Observations microscopiques sur le Ceramium Boucheri **Title** *Observations microscopiques sur le Ceramium Boucheri* de Duby, et sur les Gaillones de Bonnemaison... Annales des Sciences nat., Bot. \[1835\]. Oct. **Notes** *Publ*.: 1835, p. 181-188, *pl*. 5-6 (col. Copper engr.) *Copy*: L. – Reprinted and to be cited from Ann. Sci. nat., Bot. ser. 2. 3: 181-188, *pl. 5-6.* 1835. ##### n.28.297. Algues marines **Title** *Algues marines* du *Finistère*... Brest (chez Crouans frères, pharmaciens,...) 1852. Qu. **Abbreviated title**: *Alg. marin. Finist.* **Notes** *Publ*.: *Premier volume, Fucoïdees*: 1 Apr 1852 (signed on p. \[8\]), p. \[1\]-\[12\], 1-112 specimens with detailed labels, \[vii, index\]. *Deuxième volume, Floridées*: 1852, p. \[1\]-\[12\], 113-322, id., \[iv-xi, index\]. *Troisième volume, Zoospermèes*: 1852, p. \[1\]-\[8\], 323-404, id., \[iv-vi, index\]. *Copies*: G, L, PCS (Paul Silva). *Note*: Liste des Algues marines dècouvertes dans le Finistère depuis la publication des Algues de ce département en 1852, *in* Bull. Soc. bot. France 7(5): 367-373. Dec 1860 (fide Leussink, Taxon 34(4): 586. 1985). – No reprint seen. ##### n.28.298. neuf Ascobolus nouveaux **Title** Note sur *neuf Ascobolus nouveaux*... Ann. Sci. nat., Bot.... 1858. Oct. **Notes** *Publ*.: 1858, *in* Ann. Sci. nat., Bot. ser. 4. 10(4): 193-199, *pl. 13* (uncol. copp. engr.). *Copy*: B (tearsheet) *Note*: The copy (tearsheet) in B also comprises the article "De l'existence d'une fécule amorphe dans un Champignon du groupe des tubéraceés" (p. 200-204), which is a translation of "On the existence of amorphous starch in a new tuberaceous fungus" by F. Currey in Proc. Roy. Soc. London 9: 119-123.1858. ##### n.28.299. Notice sur **Title** *Notice sur* le genre *Hepalidium*... \[Annales des Sciences naturelles, Bot.... 1859\]. Oct. **Notes** *Publ*.: 1859, p. \[283\]-287, *pl. 21* (uncol. copp. engr. Mme Douliot, Crouan's del.). *Copy*: L. – Reprinted and to be cited from Ann. Sci. nat., Bot. ser. 4. 12: 283-287, *pl. 21.* 1859. *Note*: This reprint was issued combined with the next publication. ##### n.28.300. espèces **Title** Notice sur quelques *espèces* et *genres nouveaux d'algues marines* de la rade de Brest ... \[Annales de Sciences naturelles, Bot.... 1859\]. Oct. **Notes** *Publ*: 1859, p. \[288\]-292, *pl. 22* (col. copper engr. Mme Douliot, Crouan's del.). *Copy*: L. – Reprinted and to be cited from Ann. Sci nat., Bot. ser. 4. 12: 288-292, *pl. 22.* 1859. *Note*: This reprint was issued combined with the foregoing publication.