Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 45 references without a DOI — listed, not checked
no DOI — not checkedAnonymous. Review of experiments on fiber-producing plants. Philippine Agr. Rev.18: 143–149. 1925.
no DOI — not checkedAdbur Rahman Khan, Khan Sahib. A new type of roselle hemp. Agro. Jour. India25: 210–212. 1930.
no DOI — not checkedBolhuis, G. G. Bloeiwaarnemingen bijHibiscus Sabdariffa L. enHibiscus cannabinus L. Landbouw16: 404–412. 1940.
no DOI — not checkedCalvino, Mario. El sereni textil(Hibiscus Sabdariffa, var.altissima). Cuba. Estac. Expt. Agron. Informe, 1918-20, pp. 478–482. 1920.
no DOI — not checkedCampese, Oreste. La coltura della rosella e la preparazione delle fibre. Colture Tropicali e Lavorazione dei Prodotti, v. 3, pp. 293–314. 1937.
no DOI — not checkedCanagaratnam, V. Cultivation of roselle fibre and its possibilities(Hibiscus Sabdariffa var.altissima). Trop. Agr. (Ceylon)73: 229–232. 1929.
no DOI — not checkedCook, O. F., and Collins, G. N. Economic plants of Porto Rico. U. S. Nat. Mus., Contrib. U. S. Nat. Herb., v. 8, pt. 2, pp. 57–269. 1903-05.
no DOI — not checkedDekker, J. F. Java-jute en roselle. Landbouw9: 507–513. 1934.
no DOI — not checkedDeshpande, R. B. Studies in Indian fibre plants. No. 5. Further studies on the inheritance of certain characters inHibiscus Sabdariffa L. Indian Jour. Agr. Sei.8: 229–243. 1938.
no DOI — not checkedDrury, Herber. The useful plants of India. 559 pp. 1858.
no DOI — not checkedDunstan, W. R. Some African food grains. (Gt. Brit.) Imp. Inst. Bul.7: 145–154. 1909.
no DOI — not checkedEttling, Carl. Die Rosella-Pflanze (Hibiscus Sabdariffa), ihr Anbau und ihre Verwertung. Tropenpflanzer29: 2–23. 1926.
no DOI — not checkedFrenzel, W., and Bruggencate, A. Ten. Spinen weefproeven met rosellevezel ven Java. (Netherlands) Rijksvoor- Iichtingsdienst ten Behoeve Vezelhandel en Vezelnijverheid. Meded. 22. 1929.
no DOI — not checkedGeorgi, C. D. V. Roselle seed oil. Malayan Agr. Jour.11: 223–224. 1923.
no DOI — not checked(Great Britain) Imperial Institute. Hibiscus fibres from the Northern Territories, Gold Coast. (Gt. Brit.) Imp. Inst. Bul.10: 51–55. 1912.
no DOI — not checked—. Hibiscus fibres from India and Iraq. (Gt. Brit.) Imp. Inst. Bul.28: 284–289. 1930.
no DOI — not checkedHeath, E. S. Roselle(Hibiscus Sabdariffa L.) Pomona Col. Jour. Econ. Bot.2: 378–381. 1912.
no DOI — not checkedHenning, G. E. Roselle fibre,Hibiscus Sabdariffa var.altissima. Malayan Agr. Jour.10: 206–208. 1922.
no DOI — not checked—. Roselle fibre(Hibiscus Sabdariffa var.altissima). Trop. Agr. (Ceylon)60: 200–202. 1923.
no DOI — not checkedHermann, Paul. Horti Academici Lugduna-Batavi catalogue. 699 pp. 1687.
no DOI — not checkedHorst, W. A. Studien uber Gambohanf. Faserforchung4: 61–124. 1924.
no DOI — not checkedHoward, Albert, and Howard, G. L. C. Studies in Indian fibre plants. No. 2. On some new varieties ofHibiscus cannabinus, L. andHibiscus Sabdariffa, L. Indian Dept. Agr., Mem. Bot. Ser.4: 9–36. 1911.
no DOI — not checkedJones, H. A., and Rosa, J. T. Truck crop plants. Ed. 1, 538 pp. 1928.
no DOI — not checkedKoch, L. Sur la roselle(Hibiscus Sabdariffa altissima). Rev. Bot. Appl. et d’Agr. Colon.6: 754–757. 1926.
no DOI — not checked—.Hibiscus Sabdariffa, altissima. Trop. Agr. (Ceylon)68: 80–82. 1927.
no DOI — not checkedLeupin, K. Karkade. Pharm. Acta Helvetiae10: 138–142. 1935.
no DOI — not checkedL’Obel, M. de. Plantarum, sev Stirpivm historia. 671, 457–471, 15, 24. 1576.
no DOI — not checkedMcClelland, T. B. Effect of variation in day length on growth of certain plants. Puerto Rico Agr. Exp. Sta., Rep.1924: 10–11. 1924.
no DOI — not checkedMathieu, E. Roselle fibre. Fed. Malay States Agr. Bul.8: 231–240. 1920.
no DOI — not checkedMedvedeva, G. B. Karyological review of 15 species of the genusHibiscus. Jour. Bot. de l’URSS21: 533–550. 1936.
no DOI — not checkedMendiola, N. B. A study of Philippine bast fibers. Philippine Agr.6: 6–38. 1917.
no DOI — not checkedMichotte, Felicien. LesHibiscus (Ketmie). Traite Sci. et Ind. Plantes Textiles Bul., Nos. 3–6. 1928.
no DOI — not checkedOudot, G. Plantes á fibres. I-III. Bul. Econ. Indochine43: 77–91. 1940.
no DOI — not checkedPrat, D.de. Une nouvelle plante textile coloniale: le chanvre de rosella. Rev. Int. Prod. Colon.12: 107–110. 1937.
no DOI — not checkedReyes, T. P. The effects of fertilizers added to soil on the growth of roselle plants and production of fiber. Philippine Agr.10: 350. 1922.
no DOI — not checkedRoyle, J. F. The fibrous plants of India. 403 pp. 1855.
no DOI — not checkedSpoon, W. Nieuwe beoordeelingen van Java-jute en roselle. Bergcultures12: 1114–1119. 1938.
no DOI — not checkedStraits Settlements and Federated Malay States. Dept. Agr. Guide to the Experimental Station, Serdang, 1931. 141 pp. 1931.
no DOI — not checkedWatt, Sir George. The commercial products of India. 1,189 pp. 1908.
no DOI — not checkedWester, P. J. Roselle: its culture and uses. U. S. Dept. Agr., Farmers’ Bul. 307. 1907.
no DOI — not checked— Roselle, its cultivation and uses. Philippine Agr. Rev.5: 123–132. 1912.
no DOI — not checked— New varieties of roselle. Philippine Agr. Rev.7: 266–269. 1914.
no DOI — not checked— The cultivation and uses of roselle. Philippine Agr. Rev.13: 89–99. 1920.
no DOI — not checkedYoungberg, Stanton. Twenty-sixth annual report of the Bureau of Agriculture, Philippine Islands. 1926.
no DOI — not checkedYoungberg, Stanton. Resumé of the annual report of the Bureau of Agriculture for the year ending Dec. 31, 1928. Philippine Agr. Rev.22: 89–192. 1929.
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