> [!cite] BHL link: this entry starts at [page 471](https://www.biodiversitylibrary.org/page/33266148) of TL-2 Suppl. IV > Author links: [IPNI](https://www.ipni.org/a/1882-1) LSID 1882-1, [Wikidata](https://www.wikidata.org/wiki/Q1366568) QID Q1366568 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Croizat, Leon \[Camille Marius\] (1894-1982), Italian-French botanist (French parents from Lyon, Chambery and Geneva), studied at the University of Turin, in the Italian Army 1914-1919, law degree at Turin 1920, moved to the U.S.A. 1923, achieved success in selling his water colour paintings, moved to Paris after the Wall Street Crash of 1929-1930, American Citizen 1 Jan 1929, returned to the U.S.A., employed as technical assistant at the Arnold Arboretum with E.D. Merrill 1938-1947, moved to Caracas, Venezuela 1947-1952, from 1953 on Publishing on his own, died of a heart attack 1982: "Knowledge has always been my goal". **Abbreviated name**: *Croizat* \[standard form in IPNI: *Croizat*\] #### Herbarium and types [[Collection NY|NY]], further material in [[Collection P|P]], [[Collection VEN|VEN]]. #### Bibliography and biography Barnhart 1: 397 (b. 16 Jul 1894, Torino, Italy); Hortus 3: 1191; IH 2: 144; Kew 1: 646-647; TL-2/see indexes; Zander ed. 10, p. 648, ed. 11, p. 737. #### Biofile - Anon., J. Arnold Arb. 64(2) death recorded on back cover, inside (Coro, Venezuela 30 Nov 1982). - Aubréville, A., Adansonia ser. 2.9(4): 489-496.1969 (on the "Introd. biogéogr. Afrique" of Croizat, portr.). - Arditti, J., ed., Orchid. biol. 1: 27, 43. 1977. - Craw, R.C., *in* R.C. Craw and G.W. Gibbs, Croizat's Panbiogeography and Principia botanica, Tuatara 27(1): 5-7.1984 ("Never a serious scientist..."); see also Taxon 34: 375, 742-743. 1985 (biogr.). - Croizat, L., Atti Ist. Bot. Univ. Pavia 5: 181 -190.1969 (a proposita di alcune critiche di E.J.H. Corner); Mayr vs. Croizat, Croizat vs. Mayr, Tuatara 27(1): 49-66. 1984. - Grehan, J.R., Tuatara 27(1): 14-19. 1984 (Evolution by Law: C's "orthogeny"). - Heads, M., Tuatara 27(1): 26-48. 1984 (on C's *Principia botanica*). - Heads, M. and R.F. Craw, Tuatara 27(1): 67-75. 1984 (bibl. of sci. work of C.). - Holst, B.K. and C.A. Todzia, Ann. Missouri Bot. Gard. 77(3): 485-516. 1990 (C's pl. coll, on the Rio Orinoco). - Huber, O. and J.J. Wurdack, Smithson. Contr. Bot. 56: 23-74. 1984 (Hist. bot. expl. territ. Fed. Amazonas, Venezuela). - Schmid, R., Taxon 34: 742-743. 1985 (rev. Panbiogr. etc.), 35: 314-315. 1936 (on C. and Flora Hawaiiensis). - Steyermark, J.A., Taxon 32(3): 530-531. 1983 (biogr.). #### Outside our period - (1) *Manual of plant-geography* or an account of plant dispersal throughout the world. The Hague 1952 (ii, 587 pp., 105 maps). - (2) *Panbiogeography*, or, an introductory synthesis of zoogeography, phytogeography and geology, 3 vols. 1958, 2780 pp. - (3) *Principia botanica*, 1850 pp., 2 vols., 1961. - (4) *Space, time, form*: a biological synthesis, pp. xix, 882. 1964. (5) *Introduction raisonnée* à la biogéographie de l'Afrique, 451 p., 1 map, issued as Mem. Soc. Brot. 20, 1968. - (6) *The biogeography* of the tropical lands and islands east of Suez-Madagascar... Atti Ist. Univ. Pavia 4: 1-100. 1968. - (7) *Biogeografia analitica y sintetica* (panbiogeographia) de las Américas... Caracas (Acad. Ci.Fis.) 1976, 2 vols. 890 p. ### Publications ##### n.28.235. Three **Title** *Three* new *Euphorbiae* from *Madagascar*... Reprinted from The National Horticultural Magazine... 1934. Oct. **Notes** *Publ*.: Jan 1934 (date on p. 96), p. 96-99. *Copy*: NY. – Reprinted and to be cited from Natl. Hort. Mag. 1934: 96-99. ##### n.28.236. new Texan Coryphanta **Title** A *new Texan Coryphanta*... Separately printed... from Torreya... 1934. Oct. **Notes** *Publ*.: 6 Mar 1934 (date on p. 15), p. 15-16. *Copy*: NY. – Reprinted and to be cited from Torreya 34: 15-16. 1934. ##### n.28.237. De Euphorbio antiquorum **Title** *De Euphorbio antiquorum* atque officinarum. A study of succulent Euphorbiae long known in cultivation... New York 1934. Oct. **Abbreviated title**: *Euphorb. antiq.* **Notes** *Publ*.: 27 Apr 1934 (date written by author on p. \[i\] in copy U, p. iv, Mai 1933), p. \[i-iv\], 1-127, i-\[xiv\]. *Copies*: HH, L, NSW (thanks to R.S. Cowan), U. *Ref*.: Diels, L., Bot. Jahrb. 67(Lit.): 78-79. 8 Jun 1934 (rev.). ##### n.28.238. Two **Title** *Two* new *species* of the *Tilia* from Southern China... Sinensia (Contributions from the National Research Institute of Biology Academia Sinica) 1935. Qu. **Notes** *Publ*.: Dec 1935 (date on cover-t.p.), cover-t.p., p. 656-663. *Copies*: BKL, L, NY. – Reprinted and to be cited from Sinensia 6(6): 656-663. 1935. ##### n.28.239. Classification **Title** On the *Classification* of *Euphorbia*. I. How important is the *cyathium?*... Separately printed, from Bulletin of the Torrey Botanical Club... 1936. Oct. **Notes** *Publ*.: 16 Dec 1936 (in journal), cover-t.p., p. 525-531. *Copies*: L, NY. – Reprinted and to be cited from Bull. Torrey bot. Club 63(9): 525-531. 1936. ##### n.28.240. Oak **Title** An interesting *Oak* in *New York* City with brief notes on *Quercus Richteri* Baen.... Separately printed... from Torreya... 1936. Oct. **Notes** *Publ*.: 31 Dec 1936 (date on p. 139), p. 139-142. *Copies*: NY(2). – Reprinted and to be cited from Torreya 36: 139-142. 1936. ##### n.28.241. Acer japonicum var. Parsonsii **Title** *Acer japonicum var. Parsonsii* Hort. \[Veitch & Sons\] ex Schwerin, an invalid trinomial... Reprinted from Bulletin of the Fan memorial institute of biology (Botany)... 1936. Oct. **Notes** *Publ*.: Dec 1936 (not 1937), cover-t.p., p. 197-200. *Copies*: L, NY. – Reprinted and to be cited from Bull. Fan Memorial Inst. Biol. (Bot.) 7(4): 197-200. 1936. ##### n.28.242. Euphorbia glaucescens **Title** *Euphorbia glaucescens* Willd.: an obscure species from British India... Extracted from The Journal of Botany... 1937. Oct. **Notes** *Publ*.: Apr 1937 (in journal), p. \[105\]-108. *Copies*: L, NY. – Reprinted and to be cited from J. Bot. 75: 105-108. 1937. ##### n.28.243. Tertiary Relict **Title** An early *Tertiary Relict* in *Malaya*, Euphorbia Ridleyi... Reprinted from the Gardens' Bulletin, Straits Settlements,... 1937. Oct. **Notes** *Publ*.: 4 Mai 1937 (in journal), cover-t.p., p. 145-151. *Copies*: L, NY(2). – Reprinted and to be cited from the Gard. Bull., Straits Settlements 9(2): 145-151. 1937. ##### n.28.244. Kalanchoe du Mozambique **Title** Une nouvelle espèce de *Kalanchoe du Mozambique*... Bulletin du Jardin botanique de l'État (Extrait)... 1937. Oct. **Notes** *Publ*.: Dec 1937 (date on cover), cover (identif.), p. \[363\]-366. *Copy*: NY. – Reprinted and to be cited from Bull. Jard. Bot. État 14(4): 363-366. 1937. ##### n.28.245. classificazione **Title** Di alcune osservazioni suggerite dalla *classificazione* corrente del genere *Euphorbia* L.... De la "Revista Argentina de Agronomía"... 1937. Oct. **Notes** *Publ*.: Dec 1937 (date on cover-t.p.), cover-t.p., \[i\], 223-237. *Copy*: L. Reprinted and to be cited from Revista Argent. Agron. 4(4): 223-237. 1937. ##### n.28.246. Notes on Euphorbiaceae **Title** *Notes on Euphorbiaceae*, with a new genus and a *new subtribe* of the Euphorbiaceae ... Separate from The Philippine Journal of Science... 1937 \[1938\]. Oct. **Notes** *Publ*.: 8 Mar 1938 (in journal), cover-t.p., p. 397-411, *pl. 1* (uncol. lith.). Copy: L. – Reprinted and to be cited from Philipp. J. Sci. 64(4): 397-411, *pl. 1.* 1938. ##### n.28.247. Chinese Euphorbiaceae **Title** Notes on *Chinese Euphorbiaceae*... Reprinted... Journal of the Arnold Arboretum ... 1938. Oct. **Notes** *Publ*.: 27 Apr 1938 (in journal), p. \[134\]-148. *Copies*: G, L. – Reprinted and to be cited from J. Arnold Arb. 19(2): 134-148. 1938. ##### n.28.248. Euphorbiées africaines **Title** *Euphorbiées africaines* nouvelles ou peu connues: Elaeophorbia et Euphorbia section Tekeanae... \[Bull. Jard. Bot. État... Bruxelles 1938\]. Oct. **Notes** *Publ*.: Jun 1938 (in journal), p. \[109\]-120. *Copies*: B, L. – Reprinted and to be cited from Bull. Jard. Bot. État 15(1): 109-120. 1938. ##### n.28.249. interpretation **Title** An *interpretation* of *Euphorbia edulis* Loureiro... Manila (Bureau of printing) 1939. Oct. **Notes** *Publ*.: 22 Jul 1939 (in journal), cover-t.p., p. 287-296. *Copies*: L, NY. – Reprinted and to be cited from Philipp. J. Sci. 69(3): 287-296. 1939. ##### n.28.250. Polygonanthus **Title** *Polygonanthus*, not a genus of the Saxifragaceae... Reprinted... from Journal of the Arnold Arboretum... 1939. Oct. **Notes** *Publ*.: 25 Oct 1939 (in journal), p. \[443\]-445. *Copy*: L. – Reprinted and to be cited from J. Arnold Arb. 20(4): 443-445. 1939. ##### n.28.251. Thirty-five new species of American Croton **Title** *Thirty-five new species of American Croton*... Reprinted... from Journal of the Arnold Arboretum... 1940. Oct. **Notes** *Publ*.: 25 Jan 1940 (in journal), p. \[76\]-107. *Copy*: L. – Reprinted and to be cited from J. Arnold Arb. 21(1): 76-107. 1940. ##### n.28.252. Notes **Title** *Notes* on the *Dilleniaceae* and their allies: Austrobaileyeae subfam. nov.... Reprinted ... from Journal of the Arnold Arboretum... 1940. Oct. **Notes** *Publ*.: 24 Jul 1940 (in journal), p. \[397\]-404. *Copy*: G. – Reprinted and to be cited from J. Arnold Arb. 21(3): 397-404. 1940. ##### n.28.253. Preliminaries **Title** *Preliminaries* for the study *of Argentine and Uruguayan species of Croton*... Buenos Aires (Talleres Gráficos "Tomás Palumbo"...) 1941. Oct. **Notes** *Publ*.: 1941 (printed 11 Aug 1941), cover-t.p., p. \[i, t.p.\], \[417\]-462. *Copy*: L. – Reprinted and to be cited from Darwiniana 5: 417-462. 1941. ##### n.28.254. New species of Croton **Title** *New species of Croton* from Guatemala... \[Chicago\] (Field Museum of natural history...) 1942. Oct. **Notes** *Publ*.: 15 Jun 1942 (date on cover-t.p.), cover-t.p., p. \[i-ii\], 445-453. *Copy*: L. – Reprinted and to be cited from Bot. Ser., Field Mus. nat. Hist. 22(8): 445-453. 1942.