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PUBLICATIONS

  • Arber, A. 1972. Water plants: a study of aquatic angiosperms. J. Cramer, Lehre, Germany. (2nd reprint edition of 1920 edition.)
  • Ameka, G. K., G. C. Clerk, E. Pfeifer & R. Rutishauser. 2002. Developmental morphology of Ledermanniella bowlingii (Podostemaceae) from Ghana. Plant Syst. Evol. 237: 165–183.
  • Ameka, G. K., J.-P. Ghogue & R. Rutishauser. (Submitted) Podostemaceae research in Africa-state of the art and open questions. Proceedings XVIII AETFAT Congress. Yaoundé, Cameroon.
  • Ameka, K. G., Pfeifer, E. & Rutishauser, R. 2002. Developmental morphology of Saxicolella amicorum and S. submersa (Podostemaceae: Podostemoideae) from Ghana. Bot. J. Linn. Soc. 139: 255–273.
  • Aston, H. I. 1973. Aquatic plants of Australia. Melbourne University Press, Melbourne. Aston, H. I. 1990. Podostemaceae. Flora of Australia 18: 1–5.
  • Chao, H.-C. 1948. Discovery of Podostemaceae in China. Contributions from the Institute of Botany, National Academy of Peiping 6: 1–16.
  • Chao, H.-C.1980. A new genus (Terniopsis gen. nov.) of Podostemaceae from Fujian, China. Acta Botanica Yunnanica 2: 296–299.
  • Chao, H.-C. 1982. Podostemaceae. Fl. Fukien 1: 479–482. (in Chinese with Latin synonyms)
  • Chatterjee, D. 1947. New records of plants from India and Burma. Kew Bull. 1946(2): 49–50.
  • Cheek, M. 2003. A new species of Ledermanniella (Podostemaceae) from western Cameroon. Kew Bull. 8: 733–737.
  • Chun, W.-Y. & Y. Tsiang. 1963. Materials for the Flora of Hainan (I). Acta Phytotax. Sin. 8: 259–278. (in Chinese)
  • Chun, W.-Y., C.-C. Chang & F.-H. Chen (eds.), Flora Hainanica. Vol. 1: 372–373. Science Press, Beijing. (in Chinese)
  • Cook, C. D. K. 1996. Aquatic plant book. 2nd ed. SPB Academic Publishing, The Hague.
  • Cook, C. D. K. 1990. Aquatic plant book. SPB Academic Publishing, The Hague.
  • Cook, C. D. K. & R. Rutishauser. 2001. Name changes in Podostemaceae. Taxon 50: 1163–1167.
  • Cook, C. D. K. & R. Rutishauser. 2007. In: K. Kubitzki (ed.), The families and genera of vascular plants. Vol. 9: 304–344. Springer, Berlin.
  • Cusset, C. 1972. Diplobryum, genre monospécifique nouveau de Podostemaceae. Adansonia, ser. 2, 12: 279–282.
  • Cusset, C. 1973. Podostemaceae and Tristichaceae. Fl. Cambodge, Laos, Viêt-Nam 14: 65–79.
  • Cusset, C. 1983. Contribution a l’étude des Podostemaceae: 7. Ledermanniella Engl. sous-genre Phyllosoma
  • Cusset. Bull. Mus. Natl. Hist. Nat., Paris, 4e sér, sect. B, Adansonia 5(4): 361–390.
  • Cusset, C. 1984. Contribution a l’étude des Podostemaceae: 8. Ledermanniella Engl. sous-genre Ledermanniella. Bull. Mus. Natl. Hist. Nat., Paris, 4e sér, sect. B, Adansonia 6(3): 249–278.
  • Cusset, C. 1987. Podostemaceae and Tristichaceae. In: B. Satanié & P. Morat (eds.), Flore du Cameroun 30: 51–101.
  • Cusset, C. 1992. Contribution a l’etude des Podostemaceae: 12. Les genres asiatiques. Bull. Mus. Natl. Hist. Nat., B, Adansonia 14: 13–54.
  • Cusset, C. & G. Cusset. 1988a. Etude sur les Podostemales. 9. Délimitations taxinomiques dans les Tristichaceae. Bull. Mus. Natl. Hist. Nat., B, Adansonia 10: 149–177.
  • Cusset, G. & C. Cusset. 1988b. Etude sur les Podostemales. 10. Structures florales et égétatives des Tristichaceae. Bull Mus Natl Hist Nat Sect B Adansonia 10:179–218.
  • Cusset, G. & C. Cusset. 1988c. Etude sur les Podostemales. 11. Répartition et évolution des Tristichaceae. Bulletin du Muséum National d’His
  • toire Naturelle Paris, 4e Série, Section B, Adansonia 10: 223–262.
  • Davis, C. C., C. O. Webb, K. J. Wurdack, C. A. Jaramillo & M. J. Donoghue. 2005. Explosive radiation of Malphigiales supports a Mid-Cretaceous origin of modern tropical rain forests. Amer. Nat., 165: E36–E65.
  • Doi, Y. 1929. Preliminary report on Lawiella doiana. In: Doi, Y., Florula Satsumensis 1(4): 54–59. (in Japanese)
  • Dransfield, J. & T. C. Whitmore. 1970. A Podostemacea new to Malaya: Indotristicha malayana. Blumea 18: 152–155.
  • Engler, E. 1927. Podostemonaceae americanae novae. Beibl. Bot. Jahrb. 138: 109.
  • Engler, A. 1930. Reihe Podostemales. In: Engler, A. & K. Prantl (eds.), Die Natürlichen Pflanzenfamilien. 2nd ed. Vol. 18a, pp. 1-68, 483-484.
  • Engelmann, Leipzig. Grubert, M. 1976. Podostemaceen-Studien. Teil. II. Untersuchungen über die Keimung. Bot. Jahrb. Syst. 95: 455–477.
  • Gustafsson, M. H. G., V. Bittrich & P. F. Stevens. 2002. Phylogeny of Clusiaceae based on rbcL sequences. Int. J. Plant Sci., 163: 1045–1054.
  • Hammond, B. L. 1936. Regeneration of Podostemon ceratophyllum. Botanical Gazette 97: 834–845.
  • Hammond, B. L. 1937. Development of Podostemon ceratophyllum. Bulletin of the Torrey Club 64: 17–36.
  • Hara, H., A. O. Chater & L. H. J. Williams. 1982. An Enumeration of the Flowering Plants of Nepal. Vol. 3. Trustees of British Museum (Natural History), London.
  • Hiyama, Y., I. Tsukamoto, R. Imaichi & M. Kato. 2002. Developmental anatomy and branching of roots of four Zeylanidium species (Podostemaceae), with implication for evolution of foliose roots. Annals of Botany 90: 735–744.
  • Imaichi, R., Y. Hiyama & M. Kato. 2005. Leaf development in absence of shoot apical meirstem in Zeylanidium subulatum (Podostemaceae). Ann Bot 96:51–58.
  • Imaichi, R., T. Ichiba & M. Kato. 1999. Developmental morphology and anatomy of the vegetative organs in Malaccotristicha malayana (Podostemaceae). International Journal of Plant Sciences 160: 253–259.
  • Imaichi, R., R. Maeda, K. Suzuki & M. Kato. 2004 Developmental morphology of foliose shoots and seedlings of Dalzellia zeylanica (Podostemaceae) with special reference to their meristems. Bot. J. Linn. Soc. 144:289–302.
  • Imamura, S. 1927. Discovery of Podostemonaceae in Japan. Proc. Imp. Acad. Jap. 3: 616–618.
  • Imamura, S. 1928a. Ueber Cladopus japonicus n. sp., eine Podostemonaceen in Japan. J. Jap. Bot. 5: 50–62. (in Japanese with German summary)
  • Imamura, S. 1928b. Über Cladopus japonicus n. sp., eine Podostemonaceen in Japan. Bot. Mag. Tokyo 42: 379–387, pl. 5, 6.
  • Imamura, S. 1929. Über Hydrobryum japonicum Imamura, eine neue Podostemonacee in Japan. Bot. Mag. Tokyo 43: 332–339, pl. 2.
  • Jäger-Zürn, I. 1970. Morphologie der Podostemaceae. I. Tristicha trifaria (Bory ex Willd.) Spreng. Beitr. Biol. Pflanzen 47: 11–52.
  • Jäger-Zürn, I. 1992. Morphologie der Podostemaceae. II. Indotristicha ramosissima (Wight) van Royen (Tristichoideae). Tropische und Subtropische Pflanzenwelt 80: 1–48.
  • Jäger-Zürn, I. 1995. Morphologie der Podostemaceae. III. Dalzellia ceylanica (Gard.) Wight (Tristichoideae). Tropische und Subtropische Pflanzenwelt 92: 1–77.
  • Jäger-Zürn, I. 1997. Comparative morphology of the vegetative structures of Tristicha trifaria, Indotristicha ramosissima and Dalzellia ceylanica (Podostemaceae, Tristichoideae): a review. Aquatic Botany 57: 71–96.
  • Jäger-Zürn, I. 1997. Embryological and floral studies in Weddellina squamulosa Tul. (Podostemaceae, Tristichoideae). Aquatic Botany 57: 151–182.
  • Jäger-Zürn, I. 1999. Developmental morphology of the shoot system of Podostemum subulatum (Podostemaceae–Podostemoideae). Part V of the series ‘Morphology of Podostemaceae’. Beitr. Biol. Pflanzen 71: 281–334.
  • Jäger-Zürn, I. 2000a. Crustose root and root-borne shoots of Zeylanidium olivaceum (Podostemaceae–Podostemoideae): part VI of the series ‘morphology of Podostemaceae.’ Flora 195: 61–82.
  • Jäger-Zürn, I. 2000b. Developmental morphology of Podostemum munnarense (Podostemaceae - Podostemoideae) as compared to related taxa. Part IX of the series ‘Morphology of Podostemaceae’. Bot. Jahrb. Syst. 122: 341–355.
  • Jäger-Zürn, I. 2000c. Developmental morphology of roots and root-borne shoots of Podostemum subulatum as compared with Zeylanidium olivaceum (Podostemaceae–Podostemoideae): part VII of the series ‘morphology of Podostemaceae’. Plant Syst. Evol. 220: 55–67.
  • Jäger-Zürn, I. 2002. Morphology and morphogenesis of ensiform leaves in Apinagia multibranchiata and Mourera fluviatilis (Podostemaceae - Podostemoideae). Flora 197: 394–407.
  • Jäger-Zürn, I. 2003. Comparative morphology as an approach to reveal the intricate structures of the aquatic flowering plant family Podostemaceae. Recent Res. Dev. Plant Sci. 1: 147–172.
  • Jäger-Zürn, I. 2005a. Morphology and morphogenesis of ensiform leaves, syndesmy of shoots and an understanding of the thalloid plant body in species of Apinagia, Mourera and Marathrum (Podostemaceae). Bot. J. Linn. Soc. 147: 47–71.
  • Jäger-Zürn, I. 2005b. Structural analysis of the dissected ensiform leaves and shoot morphology of Marathrum foeniculaceum (Podostemaceae). Flora 200: 229–244.
  • Kadono, Y. 1994. Aquatic Plants of Japan. Bun’ichi Sogo Shuppan, Tokyo. (in Japanese)
  • Kadono, Y. & N. Usui. 1995. Cladopus austro-osumiensis (Podostemaceae), a new rheophyte from Japan. Acta Phytotax. Geobot. 46: 131–135.
  • Katayama, N., S. Koi & M. Kato. 2008. Developmental anatomy of the reproductive shoot in Hydrobryum japonicum (Podostemaceae). J. Plant Res. 121: 417–424.
  • Kato, M., 2004. Taxonomic studies of Podostemaceae of Thailand. 1. Hydrobryum and related genera with crustaceous roots (subfamily Podostemoideae). Acta Phytotax. Geobot. 55: 133-165.
  • Kato, M. 2006a. Taxonomic study of Podostemaceae of Thailand 2. Subfamily Podostemoideae with ribbon-like roots and subfamily Tristichoideae. Acta Phytotax. Geobot. 57: 1–54.
  • Kato, M. 2006b. Distribution and biogeography of Podostemaceae in Asia. Bull. Natl. Sci. Mus. (Tokyo), Ser. B, 32: 19–27. Kato, M. 2008. Taxonomic study of Podostemaceae of Japan. Bull. Natl. Mus. Nat. Sci. B (Bot.) 34: 63–73.
  • Kato, M. (In press) Podostemaceae of Malesia: taxonomy, phylogeny and biogeography. Blumea.
  • Kato, M. & N. Fukuoka. 2002. Two new species of Diplobryum (Podostemaceae, Podostemoideae) from Laos. Acta Phytotax. Geobot. 53: 115–120.
  • Kato, M. & G. G. Hambali.2001. Cladopus javanicus (Podostemaceae), a new species from Java. Acta Phytotax. Geobot. 52: 97–102. Kato, M. & Y. Kita. 2003. Taxonomic study of Podostemaceae of China. Acta Phytotax. Geobot. 54: 87–97.
  • Kato, M., Y. Kita & S. Koi. 2003. Molecular phylogeny, taxonomy and biogeography of Malaccotristicha australis comb. nov. (syn. Tristicha australis) (Podostemaceae). Aust. Syst. Bot. 16: 177–183.
  • Kato, M. & S. Koi. (In prep.) Taxonomic studies of Podostemaceae of Thailand. 3. Addition of New Species.
  • Kato, M., S. Koi & Y. Kita. 2004. A new foliose-rooted genus of Podostemaceae (subfamily Podostemoideae) from Thailand with note on root evolution. Acta Phytotax. Geobot. 55; 65–73.
  • Kita, Y. & M. Kato. 2001. Infrafamilial phylogeny of the aquatic angiosperm Podostemaceae inferred from the nucleotide sequence of the matK gene. Plant Biology 3: 156–163.
  • Kita, Y. & M. Kato. 2004a. Molecular phylogeny of Cladopus and Hydrobryum (Podostemaceae, Podostemoideae) with implications for their biogeography in East Asia. Syst. Bot. 29: 921–932.
  • Kita, Y. & M. Kato. 2004b. Phylogenetic relationships between disjunctly occurring groups of Tristicha trifaria (Podostemaceae). J. Biogeogr. 31: 1605–1612.
  • Kita, Y. & M. Kato. 2005. Seedling developmental anatomy of an undescribed Malaccotristicha species (Podostemaceae, subfamily Tristichoideae) with implications for body plan evolution. Plant Syst. Evol. 254: 221–232.
  • Kita, Y., S. Koi, R. Rutishauser & M. Kato. (2008) A new species of Ledermanniella (Podostemaceae) from Cameroon. Acta Phytotax. Geobot. 59: 223–227.
  • Koi, S., R. Fujinami, N. Kubo, I. Tsukamoto, R. Inagawa, R. Imaichi & M. Kato. 2006. Comparative anatomy of root meristem and root cap in some species of Podostemaceae and the evolution of root dorsiventrality. Amer. J. Bo.t 93:682–692.
  • Koi, S., R. Imaichi & M. Kato. 2005. Endogenous leaf initiation in the apical-meristemless shoot of Cladopus queenslandicus (Podostemaceae) and implications for evolution of shoot morphology. Int. J. Plant Sci. 166: 199–206.
  • Koi, S. & M. Kato. 2003. Comparative developmental anatomy of the root in three species of Cladopus (Podostemaceae). Annals of Botany 91: 927–937.
  • Koi, S. & M. Kato. 2007. Developmental morphology of shoot in Weddellina squamulosa (Podostemaceae) and implications for shoot evolution in the Podostemaceae. Ann. Bot. 99: 1121–1130.
  • Koi, S. & M. Kato. (In prep.) Taxonomic and Phylogenetic studies of Podostemaceae of Laos.
  • Koi, S., Y. Kita & M. Kato. 2008. Paracladopus chanthaburiensis, a new species of Podostemaceae from Thailand, with notes on its morphology, phylogeny and distribution. Taxon 57: 201–210.
  • Koi, S., R. Rutishauser & M. Kato. 2009. Phylogenetic relationship and morphology of Dalzellia gracilis (Podostemaceae, subfamily Tristichoideae) with proposal of a new genus. Int. J. Plant Sci. 170: 237–246.
  • Koi, S., I. Tsukamoto, R. Inagawa, N. Kubo, R. Fujinami, R. Imaichi & M. Kato. 2006. Comparative anatomy of root meristem and root cap in some species of Podostemaceae and the evolution of root dorsiventrality. Amer. J. Bot. 93: 682–692.
  • Koidzumi, G. 1927. Podostemonaceae. In: Doi, Y., Florula Satsumensis 1(2): 21–23. (in Japanese with Latin descriptions)
  • Koidzumi, G. 1929. A new Hydrobryum from Japan. J. Jap. Bot. 6: 1-3.
  • Koidzumi, G. 1929. A new Podostemonaceae found in the province Ohsumi, Kyusiu, Japan. In: Y. Doi, Florula Satsumensis. Vol. 1, Part 4: 48–60. Published by Y. Doi, Kagoshima.
  • Koidzumi, G. 1931. Podostemonaceae Japonicae. In: Doi, Y., Florula Satsumensis 2: 94–101.
  • Koidzumi, G. 1935. Contributiones ad cognitionem florae Asiae orientalis. Acta Phytotax. Geobot. 4: 15–29.
  • Lecomte, H. 1909. Deux nouvelles Podostémacées de l’Indo-Chine. Not. Syst. 1: 7-10. Lecomte, H. 1926. Podostémonacées. Fl. Gén. Indochin. 5: 43–46.
  • Les, D. H., C. T. Philbrick & R. A. Novelo. 1997. The phylogenetic position of river-weeds (Podostemaceae): insights from rbcL sequence data. Aquat. Bot. 57: 5–27.
  • Les, D. H., C. T. Philbrick & R. A. Novelo, 1998. Phylogeography of the Podostemaceae sensu lato: a hypothesis of multiple tropical radiations. Amer. J. Bot. 85: 141 (Abstract).
  • Mathew, C.J., I. Jäger-Zürn & C.B. Nileena. 2001. Dalzellia gracilis: a new species of Podostemaceae (Tristichoideae) from Kerala, India. Int. J. Plant Sci. 162: 899–909.
  • Mathew, C. J., C. B. Nileena & I. Jäger-Zürn. 2003. Morphology and ecology of two new species of Polypleurum (Podostemaceae) from Kerala, India. Plant Syst. Evol. 237: 209–217.
  • Mathew, C. J. & V. K. Satheesh. 1997. Taxonomy and distribution of the Podostemaceae in Kerala, India. Aquat. Bot. 57: 243–274.
  • Matthiesen, F. 1908. Beiträge zur Kenntnis der Podostemaceen. Bibliotheca Botanica 68: 1–55, 9 plates.
  • Mohan Ram, H. Y. & A. Sehgal. 1992. Podostemaceae—the strange family of aquatic angiosperms. Palaeobotanist 41: 192–197.
  • Mohan Ram, H. Y. & A. Sehgal. 1997. In vitro studies on developmental morphology of Indian Podostemaceae. Aquat. Bot. 57: 97–132.
  • Moline, P., M. Thiv, G. K. Ameka, J.-P. Ghogue, E. Pfeifer. & R. Rutishauser. 2007. Comparative morphology and molecular systematics of African Podostemaceae–Podostemoideae, with emphasis on Dicraeanthus and Ledermanniella form Cameroon. Int. J. Plant Sci. 168: 159 – 180.
  • Mukkada ,A. J. & R. N. Chopra. 1973. Post-fertilization development in Indotristicha ramosissima (Wight) van Royen. New Phytol. 72: 639–646.
  • Mukkada, A. J. 1969. Some aspects of the morphology, embryology and biology of Terniola zeylanica (Gardner) Tulasne. New Phytologist 68: 1145–1158.
  • Möller, H. 1899. Cladopus nymani n. gen., n. sp., eine Podostemacée aus Java. Ann. Jard. Bot. Buitenzorg 1: 115–132.
  • Nagendran, C. R., B. G. L. Swamy & G. D. Arekal. 1981. A morphogenetic approach to the embryogeny of Indotristicha (Podostemaceae). Ann. Bot. 47: 799–804.
  • Naithani, D. B. 1971. A report on the occurrence of Hydrobryum griffithii (Wall.) Tulasne (Podostemaceae) in Garhwal Himalaya. Bull. Bot. Surv. India 13: 156.
  • Nakayama, S. & T. Minamitani. 1999. A new species of Hydrobryum (Podostemaceae), H. koribanum from Japan. J. Jap. Bot. 74: 307–316. (in Japanese with Latin and English descriptions and English abstract)
  • Novelo, R. A. & C. T, Philbrick. 1997. Taxonomy of Mexican Podostemaceae. Aquatic Botany 57, 275–303.
  • Ohwi, J. 1965. Flora of Japan. Smithsonian Inst., Washington DC.
  • Ohwi, J. 1984. Flora of Japan. Smithsonian Inst., Washington, D.C.
  • Okada, H. & M. Kato. 2002. Pollination systems inferred from pollen–ovule ratios of some species of Podostemaceae. Acta Phytotax. Geobot. 53:51–56.
  • Oropeza, N., P. Mercado-Ruaro, A. R. Novelo & C. T. Philbrick. 1998. Karyomorphological studies of Mexican species of Marathrum (Podostemaceae). Aquat. Bot. 62: 207–211.
  • Ota, M., R. Imaichi & M. Kato. 2001. Developmental morphology of the thalloid Hydrobryum japonicum (Podostemaceae). Amer. J. Bot. 88: 382–390.
  • Pfeifer, E., V. Grob & R. Rutishauser. (In press) Stonesia ghoguei – peculiar morphology of a new Cameroonian species (Podostemaceae – Podostemoideae). Novon.
  • Philbrick, C. T. 1984. Aspects of floral biology, breeding system, and seed and seedling biology in Podostemum ceratophyllum (Podostemaceae). Systematic Botany 9: 166–174.
  • Philbrick, C. T. & A. R. Novelo. 1994. Seed germination of Mexican Podostemaceae. Aquatic Botany 48: 145–151.
  • Philbrick, C. T., A. R. Novelo & B. E. Irgang. 2004. Two new genera of Podostemaceae from the State of Minas Gerais, Brazil. Syst. Bot. 29: 109–117.
  • Philcox, D. 1996. Podostemaceae. Rev. Handb. Fl. Ceylon 10: 331–338.
  • Qiu, H.-X. & C. T. Philbrick. 2003. Podostemaceae. Fl. China 5: 190–191.
  • Raveendran, T. P. & P. Mathew. 1994. Polypleurum wallichii (R.Br. ex Griff.) Warm. (Podostemaceae): a new plant record from South India. Rheedea 2: 106–108.
  • Rutishauser, R., R. A. Novelo & C. T. Philbrick. 1999. Developmental morphology of New World Podostemaceae: Marathrum and Vanroyenella. International Journal of Plant Science 160: 29–45.
  • Rutishauser, R., P. Pfeifer, R. A. Novelo & C. T. Philbrick. 2005. Diamantina lombardii—an odd Brazilian member of the Podostemaceae. Flora 200: 245–255
  • Rutishauser, R. 1995. Developmental patterns of leaves in Podostemaceae compared with more typical flowering plants: saltational evolution and fuzzy morphology. Canadian Journal of Botany 73: 1305–1317.
  • Rutishauser, R. 1997. Structural and developmental diversity in Podostemaceae (river-weeds). Aquatic Botany 57: 29–70.
  • Rutishauser, R. & M. Grubert. 1994. The architecture of Mourera fluviatilis (Podostemaceae). I. Mature structures and leaf development. Bot. Helv. 104: 179–194.
  • Rutishauser, R. & M. Grubert. 1999. The architecture of Mourera fluviatilis (Podostemaceae): developmental morphology of inflorescences, flowers, and seedlings. Amer. J. Bot. 86: 907–922.
  • Rutishauser, R. & K. A. Huber. 1991. The developmental morphology of Indotristicha ramosissima (Podostemaceae–Tristichoideae). Plant Syst. Evol. 178: 195–223.
  • Rutishauser, R. & M. Grubert. 2000. Developmental morphology of Apinagia multibranchiata (Podostemaceae) from the Venezuelan Guyanas. Bot. J. Linn. Soc. 132: 299–323.
  • Savolainen, V., M. F. Fay, D. C. Albach, A. Backlund, M. Van Der Bank, K. M. Cameron, S. A. Johnson, M. D. Lledó, J.-C. Pintaud, M. Powell, M. C. Sheahan, D. E. Soltis, P. S. Soltis, P. Weston, W. M. Whitten, K. J. Wurdack & M. W. Chase. 2000. Phylogeny of the eudicots: a nearly complete familial analysis based on rbcL gene sequences. Kew Bull. 55: 257–309.
  • Schenk, J. J. & D. W. Thomas. 2004. A new species of Ledermanniella (Podostemaceae) from Cameroon. Novon 14: 227–232.
  • Schmidt, J. 1901. Flora of Koh Chang: contributions to the knowledge of the vegetation in the Gulf of Siam. Bot. Tidsskr. 24: 241–327.
  • Schnell, R. 1967. Etudes sur l'anatomie et la morphologie des Podostémacées. Candollea 22: 157–225. Schnell, R. A. A. & G. Cusset. 1963. Remarques sur la structure plantules des Podostémonacées. Adansonia 3: 358–369.
  • Schnell, R. A. A. 1998. Anatomie des Podostémacées. In: E. Landolt, I. Jäger-Zürn & R. A. A. Schnell (eds.), Extreme Adaptations in Angiospermous Hydrophytes, pp. 197-283. Gebrüder Borntraeger, Berlin.
  • Sculthorpe, C. D. 1967. The biology of aquatic vascular plants. London: Edward Arnold (reprinted 1985 by Koeltz Scientific Books, Königstein).
  • Sehgal, A., M. Sethi & H. Y. Mohan Ram. 2002. Origin, structure, and interpretation of the thallus in Hydrobryopsis sessilis (Podostemaceae). Int. J. Plant Sci. 163: 891–905.
  • Sharma, B.D., S. Karthikeyan & B.V. Shetty. 1974. Indotristicha tirunelveliana Sharma, Karthik. & Shetty—a new species of Podostemaceae from South India. Bull. Bot. Surv. India 16: 157–161.
  • Shin, T. 1950. Illustrated monograph of Japanese Podostemonaceae (1). Collecting and Breeding 12: 166–172. (in Japanese)
  • Shin, T. 1954a. A contribution to our knowledge of Podostemaceae in Japan and China. J. Jap. Bot. 29: 73–78. (in Japanese with English summary)
  • Shin, T. 1954b. Studies on the Japanese Podostemaceae. In: Kagoshima prefecture Education Board (ed.), Report of Cultural Assets Investigation of Kagoshima Prefecture 1: 1–52. (in Japanese)
  • Shin, T. 1964. Podostemaceae of Japan. Nature of Kagoshima, pp. 89–94, 10 figures. Kagoshima. (in Japanese)
  • Shin, T. 1982. Podostemaceae. In Y. Satake et al. (eds.), Wild Flowers of Japan: Herbaceous Plants. II. Choripetalae, pp. 213–214. Heibonsha Ltd., Tokyo. (in Japanese)
  • Shivamurthy, G. R. & K. B. Sadanand. 1996. A new species of Willisia Warm. (Podostemaceae) from the Silent Valley, Kerala, India. Kew Bull. 52: 243–245.
  • Soltis, D.E., M.E. Mort, P.S. Soltis, C. Hibsch-Jetter, E.A. Zimmer & D. Morgan. 1999. Phylogenetic relationships of the enigmatic angiosperm family Podostemaceae inferred from 18S rDNA and rbcL sequence data. Mol. Phylogen. Evol. 11: 261–272.
  • Soltis, D. E., P. S. Soltis, M. W. Chase, M. E. Mort, D. C. Albach, M. Zanis, V. Savolainen, W. H. Hahn, S. B. Hoot, M. F. Fay, M. Axtel, S. M. Swensen, L. M. Price, W. J. Kress, K. C. Nixon & J. S. Farris, 2000. Angiosperm phylogeny inferred from 18S rDNA, rbcL, and atpB sequences. Bot. J. Linn. Soc. 133: 381–461.
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