Smithsonian National Museum of Natural History

Dieter Wasshausen

Research Botanist Emeritus
Department / Division
Education
  • BS (1962), MS (1965), PhD (1972), The George Washington University
Research Interests

Systematics of the Neotropical Acanthaceae, including treatments of the family for the Flora of Peru, Ecuador and Bolivia; Palynology and reproductive biology of tropical Acanthaceae; Floristic studies in the family Begoniaceae, preparation of diagnostic keys and descriptions for species in Guianas, Brazil and Peru.

Publications
  • Villanueva-Espinoza, Rosa, Wasshausen, Dieter, and Fernandez-Hilario, Robin. 2021. "Dicliptera mercedesiae, a new species of the genus Dicliptera (Acanthaceae) from Peru." Phytotaxa 518 (1):36-44. https://doi.org/10.11646/phytotaxa.518.1.4
  • Cornejo, Xavier, Wasshausen, Dieter C., and Bonifaz, Carmen. 2017. "Dicliptera francodavilae (Acanthaceae): A New Species from the Coastal Dry Forests of the Province of Guayas, Ecuador." Harvard Papers in Botany 22 (2):121-123. https://doi.org/10.3100/hpib.v22iss2.2017.n4
  • Wasshausen, Dieter C. 2015. "New Species of Acanthaceae from Ecuador." Journal of the Botanical Research Institute of Texas 9 (1):81-88.
  • Wasshausen, Dieter C. 2013. "New species of Aphelandra (Acanthaceae) from Peru and Ecuador." Journal of the Botanical Research Institute of Texas 7 (1):109-120.
  • Wasshausen, Dieter C. 2013. "Acanthaceae." in Flora of Ecuador, edited by Persson, C. and Stahl, B., 1-328. Department of Biological and Environmental Sciences, University of Gothenburg.
  • Wasshausen, Dieter C. 2012. "Acanthaceae." in Flora de Antioquia: Catalogo de las Plantas Vasculares, edited by Idarraga, A., Carmen-Ortiz, R. del, Callejas, R., and Merello, M., 225-233. Universidad de Antioquia.
  • Dorr, Laurence J. and Wasshausen, Dieter C. 2007. "Begoniaceae." in Catálogo anotado e ilustrado de la flora vascular de los Llanos de Venezuela, edited by Duno de Stefano, R., Aymard, G., and Huber, O., 387-389. FUDENA-Fundación Empresas Polar-FIBV.
  • Wasshausen, Dieter C. 2007. "A checklist of the Acanthaceae collected in the "Sira mountains" of Peru." Die Annalen des Naturhistorischen Museums in Wien, Serie B 108B:167-190.
  • Wasshausen, Dieter C. 2007. "Mendoniaceae." in Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana), edited by Funk, Vicki Ann, Hollowell, Thomas H., Berry, P. E., Kelloff, Carol L., and Alexander, Sara N., 419-420. Smithsonian Institution.
  • Wasshausen, Dieter C. 2006. "156. Acanthaceae." Flora of the Guianas: Series A: Phanerogams 23:1-141.
  • Wasshausen, Dieter C. 2006. "159. Mendonciaceae." Flora of the Guianas: Series A: Phanerogams 23:142-151.
  • Wasshausen, Dieter C. 2005. "Chapter 5.6 Acanthus: Family Acanthaceae." in Plant conservation: A natural history approach, edited by Krupnick, Gary A. and Kress, W. John., 112-114.
  • Wasshausen, Dieter C. and Rauh, W. 2005. "Chapter 6.3 Habitat loss: the extreme case of Madagascar." in Plant conservation: A natural history approach, edited by Krupnick, Gary A. and Kress, W. John., 151-155.
  • Wasshausen, Dieter C. 2004. "Acanthaceae." in Flowering Plants of the Neotropics, edited by Smith, N., Mori, S. A., Henderson, A., Stevenson, D. W., and Heald, S. V., 3-7.
  • Wasshausen, Dieter C. and Wood, R. I. 2004. "Acanthaceae of Bolivia." Contributions from the United States National Herbarium 49:1-152.
  • Wasshausen, Dieter C. and Wood, R. I. 2004. "Notes on the genus Dicliptera (Acanthaceae) in Bolivia." Proceedings of the Biological Society of Washington 117:140-149.
  • Wasshausen, Dieter C. 2003. "New species of Justicia (Acanthaceae) from the Guianas." Brittonia 54 (4):286-297.
  • Wasshausen, Dieter C. and Wood, R. I. 2003. "Notes on the genus Justicia in Bolivia." Kew Bulletin 58:769-831.
  • Wasshausen, Dieter C. and Wood, R. I. 2003. "The genus Dyschoriste (Acanthaceae) in Bolivia and Argentina." Brittonia 55 (1):10-18.
  • Wasshausen, Dieter C. and Wood, R. I. 2003. "Notes on the genus Ruellia (Acanthaceae) in Bolivia, Peru and Brazil." Proceedings of the Biological Society of Washington 116 (2):263-274.
  • Golding, J. and Wasshausen, Dieter C. 2002. "Begoniaceae, Edition 2. Part I: Annotated Species List. Part II: Illustrated Key, Abridgement and Supplement." Contributions from the United States National Herbarium 43:1-289.
  • Wasshausen, Dieter C. 2002. "New species of Ruellia (Acanthaceae) from French Guiana and adjacent Brazil." Proceedings of the Biological Society of Washington 115 (3):696-700.
  • Wasshausen, Dieter C. and Wood, R. I. 2001. "Further discoveries in the genus Stenostephanus (Acanthaceae) in Bolivia." Harvard Papers in Botany 6 (2):449-454.
  • Wasshausen, Dieter C. 2000. "A new species of Justicia (Acanthaceae) from Venezuela." Novon 10:260-263.
  • Smith, S. F. and Wasshausen, Dieter C. 1999. "New taxa in Begonia (Begoniaceae) from Brazil." Selbyana 20:16-29.
  • Wasshausen, Dieter C. 1999. "The genus Stenostephanus (Acanthaceae) in Bolivia." Harvard Papers in Botany 4:279-288.
  • Wasshausen, Dieter C. 1999. "New species of Justicia(Acanthaceae) from Cerro La Chapa, El Amparo, Venezuela." Novon 9:450-452.
  • Peichoto, M. C., Ezcurra, C., and Wasshausen, Dieter C. 1998. "Justicia floribunda (Acanthaceae), nueva combinación y nueva cito para la flora Argentina." Darwiniana 35:151-154.
  • Wasshausen, Dieter C. 1998. "Acanthaceae of the Southeastern United States." Castanea: The Journal of the Southern Appalachian Botanical Society 63:99-116.
  • Wasshausen, Dieter C. 1998. "Acanthaceae." in Prodr. fl. Matogrossensis Ser. B, part 1. Checklist of Angiosperms, part 2. Types of Mato Grosso, edited by Dubs, B., 1-5, 307.
  • Wasshausen, Dieter C. 1997. "Razisea ericae (Acanthaceae), a new species from Ecuador and adjacent Peru." Novon 7:88-91.
  • Wasshausen, Dieter C. 1997. "Acanthaceae." in Inventaire taxonomique des plantes de la Guyane Francaise V -- les dicotyledones, edited by Cremers, C. and Hoff, M., 13-23.
  • Wasshausen, Dieter C. 1997. "A checklist of the Acanthaceae collected by John J. Wurdack in Amazonian Peru." BioLlania, Edición Especial 6:541-550.
  • Wasshausen, Dieter C. and Ezcurra, C. 1997. "New names and new combinations in Justicia sect. Simonsia, Plagiacanthus and Orthotactus (Acanthaceae) from southern South America." Candollea 52:171-179.
  • Wasshausen, Dieter C. 1996. "New species and new combinations in Apelandra (Acanthaceae) from Ecuador and adjacent Peru." Nordic Journal of Botany 16:389-407.
  • Wasshausen, Dieter C. 1996. "New species, new variety and new combinations in Stenandrium (Acanthaceae) from Ecuador and Columbia." Nordic Journal of Botany 16:383-388.
  • Wasshausen, Dieter C. 1995. "Acanthaceae." in Flora of the Pico das Almas Chapada Diamantina -- Bahia, Brazil, edited by Stannard, B. L., 112-114.
  • Wasshausen, Dieter C. 1995. "Begonia mariannesis." The Begonian 62:116-117.
  • Wasshausen, Dieter C. 1995. "A new species, new combinations, and a new name in Acanthaceae from northern South America." Brittonia 47:422-425.
  • Wasshausen, Dieter C. 1995. "Acanthaceae." in Inventaire Taxonomique des Plantes de la Guyane Francaise V-Les Dicotyledones, edited by Cremers, C. and Hoff, M., 13-23.
  • Wasshausen, Dieter C. 1995. "Acanthaceae." in Flora of the Venezuelan Guayana Vol. 2 (1955), edited by Steyermark, Julian A. and Collaborators., 335-374.
  • Wasshausen, Dieter C. and Daniel, T. F. 1995. "Justicia nevlingii, a new species from Mexico." Novon 5:114-117.
  • Wasshausen, Dieter C. and McClellan, T. 1995. "Begonia mariannensis (Begoniaceae), a new species from Trinidad, West Indies." Brittonia 47:21-23.
  • Daniel, T. F. and Wasshausen, Dieter C. 1993. "A new Carlowrightia (Acanthaceae) from South America." Nordic Journal of Botany 13:653-656.
  • Profice, S. and Wasshausen, Dieter C. 1993. "Aphelandra espirito-santensis (Acanthaceae), a new species from Espírito Santo, Brazil." Novon 3:280-283.
  • Wasshausen, Dieter C. 1993. "Notes on Acanthaceae from Pico Das Almas, Bahia, Brazil." Kew Bulletin 48:17-20.
  • Wasshausen, Dieter C. 1993. "Acanthaceae. In Catalogue of the Flowering Plants and Gymnosperms of Peru." Monographs in Syst.Bot.from the Missouri Bot.Gard. 45:2-15.
  • Wasshausen, Dieter C. 1993. "Acanthaceae. Appendix I: New Combinations and New Names of Peruvian Plants. In Catalogue of the Flowering Plants and Gymnosperms of Peru." in Monographs in Syst. Bot. from the Missouri Bot. Gard, 1253.
  • Wasshausen, Dieter C. and Ezcurra, C. 1993. "A new species of Oplonia (Acanthaceae) from southern South America." Novon 3:89-91.
  • Ezcurra, C. and Wasshausen, Dieter C. 1992. "New species of Ruellia (Acanthaceae) from southern South America." Brittonia 44:69-73.
  • Wasshausen, Dieter C. 1992. "A further note on Justicia parquazensis Wasshausen (Acanthaceae)." Novon 2:177.
  • Wasshausen, Dieter C. 1992. "Three new species of Justicia (Acanthaceae) from Brazil." Proceedings of the Biological Society of Washington 105:664-673.
  • Wasshausen, Dieter C. 1992. "Nomenclatural changes in the Acanthaceae and two new species of Odontonema from Venezuela and Guyana." Novon 2:149-152.
  • Wasshausen, Dieter C. 1992. "Acanthaceae." in Flora de La Real ExpediciA3n del Nuevo Reyno de Granada (1783-1816), edited by Mutis., 41.
  • Wasshausen, Dieter C. 1992. "New species and new combinations of Justicia (Acanthaceae) from the Venezuelan Guayana." Novon 2:62-80.
  • Wasshausen, Dieter C. 1992. "Acanthaceae." in Checklist of plants of the the Guianas (Guyana, Surinam, French Guiana), edited by Boggan, John K., 62-65.
  • Wasshausen, Dieter C. 1992. "New species of Ruellia (Acanthaceae) from the Venezuelan Guayana." Novon 2:139-148.
  • Jakupovic, J., Schuster, A., and Wasshausen, Dieter C. 1991. "Acetylenes and labdanes from Baccharis pedunculata." Phytochemistry 30:2785-2787.
  • Wasshausen, Dieter C. 1991. "New species of Dicliptera (Acanthaceae) from the Guianas." Brittonia 43:1-6.
  • Wasshausen, Dieter C. 1991. "New species of Habracanthus (Acanthaceae) from Mexico." Brittonia 43:185-188.
  • Zdero, C., Bohlmann, F., and Wasshausen, Dieter C. 1991. "Guaianolides from Brachylaena species." Phytochemistry 30:3810-3811.
  • Zdero, C., Bohlmann, F., and Wasshausen, Dieter C. 1991. "Glaucolides from Old World Vernonia species." Phytochemistry 30:4025-4028.
  • Daniel, T. F. and Wasshausen, Dieter C. 1990. "Three new species of Justicia (Acanthaceae) from Panamá." Proceedings of the California Academy of Sciences 46:289-297.
  • Ezcurra, C. and Wasshausen, Dieter C. 1990. "Schaueria azaleaeflora (Acanthaceae), Nueva cita para la Argentina." Darwiniana 30:238-285.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1990. "Begonia soli-mutata, a new Brazilian species whose leaf color varies with light intensity." The Begonian 57:217-218.
  • Wasshausen, Dieter C. 1990. "Justicia maquirei, a new species of Acanthaceae from Guyana." Memoirs of the New York Botanical Garden 64:235-238.
  • Wasshausen, Dieter C. 1990. "New species of Stenandrium (Acanthaceae) from the Planalto of Brazil." Brittonia 42:1-6.
  • Wasshausen, Dieter C. 1990. "New species of Mendoncia (Acanthaceae) from the Venezuelan Guayana." Annals of the Missouri Botanical Garden 76:1118-1124.
  • Wasshausen, Dieter C. 1990. "New species of Justicia (Acanthaceae) from the Planalto of Brazil." Brittonia 41:379-384.
  • Wasshausen, Dieter C. 1990. "New and interesting species of Acanthaceae from Colombia." Rev.Acad.Colomb.Cienc. 17:249-257.
  • Wasshausen, Dieter C. 1990. "New species of Mendoncia (Acanthaceae) from Colombia." Brittonia 41:329-334.
  • Jakupovic, J., Grenz, M., and Wasshausen, Dieter C. 1989. "Sesquiterpene lactones from Rolandra fruticosa." Phytochemistry 28:1937-1941.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1989. "Begoniaceae." in Flora of Venezuela, edited by Morillo, G., 1-78.
  • Wasshausen, Dieter C. 1989. "New and Interesting Species of Acanthaceae from Colombia." Revista de la Academia Colombiana de Ciencias Exactas.Fisicas y Naturales 17 (65):249-257.
  • Wasshausen, Dieter C. 1989. "New and interesting species of Acanthaceae from Peru." Beitr.Biol.Pfanzen 63:421-429.
  • Wasshausen, Dieter C. 1989. "New Species of Mendoncia (Acanthaceae) from the Venenzuelan Guayana." Annals of the Missouri Botanical Garden 76:1118-1124.
  • Wasshausen, Dieter C. 1989. "New Species of Mendoncia (Acanthaceae) from Colombia." Brittonia 41 (4):329-334.
  • Wasshausen, Dieter C. 1989. "New Species of Justicia (Acanthaceae) from the Planalto of Brazil." Brittonia 41 (4):379-384.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1988. "Notes on Begoniaceae - 4." Phytologia 64:77.
  • Wasshausen, Dieter C. 1988. "New species of Habracanthus (Acanthaceae) from Venezuela." Acta Botanica Venezuelica 15:133-143.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1987. "Notes on Begoniaceae—VI." Phytologia 64:77.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1987. "Begoniaceae." in Flora of Ecuador, edited by Harling, G. and Andersson, L., 1-66.
  • Wasshausen, Dieter C. 1987. "New and interesting species of Justicia (Acanthaceae) from Amazonia." Acta Amazonica, Supplement 14:145-151.
  • Wasshausen, Dieter C. 1987. "New Species of Habracanthus (Acanthaceae) from Venezuela." Acta Botanica Venezuelica 15 (2):133-143.
  • Wasshausen, Dieter C. 1987. "New and interesting species of Acanthaceae from Ecuador." Opera Botanica 92:265-275.
  • Ramamoorthy, T. P. and Wasshausen, Dieter C. 1986. "A New Name in Dyschoriste (Acanthaceae)." Brittonia 37 (4):358-359.
  • Smith, Lyman B., Wasshausen, Dieter C., Golding, J., and Karegeannes, C. E. 1986. "Begoniaceae Part I: Illustrated Key; part II: Annotated Species List." Smithsonian Contributions to Botany (60): 1-584. https://doi.org/10.5479/si.0081024X.60
  • Wasshausen, Dieter C. 1986. "The systematics of the genus Pachystachys (Acanthaceae)." Proceedings of the Biological Society of Washington 99:160-185.
  • Ramamoorthy, T. P. and Wasshausen, Dieter C. 1985. "A new name in Dyschoriste (Acanthaceae)." Brittonia 37:358-359.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1985. "A new Ecuador species." The Begonian 52:11-13.
  • Wasshausen, Dieter C. 1985. "New species of Habracanthus (Acanthaceae) from Ecuador." Brittonia 37:243-251.
  • Wasshausen, Dieter C. 1985. "Kalbreyeracanthus kirkbridei (Acanthaceae), a new species from Colombia." Brittonia 37:199-202.
  • Wasshausen, Dieter C. 1985. "New species of Hansteinia (Acanthaceae) from Colombia and Ecuador." Brittonia 37:203-208.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1984. "Notes on Begoniaceae - 3." Phytologia 54:465-473.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1984. "Notes on Begoniaceae - 4." Phytologia 55:112.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1984. "Notes on Begoniaceae - 5." Phytologia 56:16.
  • Wasshausen, Dieter C. 1984. "Two new species of Habracanthus (Acanthaceae) from Colombia." Brittonia 36:68-73.
  • Wasshausen, Dieter C. 1984. "New and Interesting Species of Justicia (Acanthaceae) from Amazonia." Suplemento, Acta Amazonica 14 (1):145-151.
  • Wasshausen, Dieter C. 1984. "Pranceacanthus coccineus (Acanthaceae), a new genus and species from Amazonian Brazil." Brittonia 36:1-7.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1983. "Notes on Begoniaceae - 2." Phytologia 53:297-301.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1983. "Notes on Begoniaceae - 1." Phytologia 52:441-451.
  • Rice, W. F., Smith, S. F., and Wasshausen, Dieter C. 1982. National List of Scientific Plant Names. U. S. Dept. of Agriculture, Soil Conservation Service.
  • Smith, Lyman B., Wasshausen, Dieter C., and Klein, R. M. 1982. "Gramineas, pt. 3." Flora Ilustrada Catarinense pt.3, fasc.GRAM. pt. 3:911-1407, pl.
  • Smith, Lyman B., Wasshausen, Dieter C., and Klein, R. M. 1982. "Gramineas, pt. 2." Flora Ilustrada Catarinense pt.2, fasc.GRAM. pt. 2:443-906, pl.
  • Smith, Lyman B., Wasshausen, Dieter C., and Klein, Roberto M. 1982. Gramineas: Flora Ilustrada Catarinense; Part 3-- Paspalum-Zea. Herbârio " Barbosa Rodrigues ".
  • Smith, Lyman B., Wasshausen, Dieter C., and Klein, Roberto M. 1982. Gramineas: Flora Ilustrada Catarinense; Part 2: Deschampsia-Pseudechinolaena. Herbârio " Barbosa Rodr igues ".
  • Wasshausen, Dieter C. 1982. "New species of Justicia (Acanthaceae) from Venezuela." Phytologia 52:95-98.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1981. "Chave para os Generos das Gramíneas Brasileiras." Bradea 3, suplemento:1-36.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1981. "Creeping species from Brazil now B. thelma." The Begonian 49:114-115.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1981. "The Begonia on the cover: B. listada." The Begonian 49:cover, 155-cover, 157.
  • Smith, Lyman B., Wasshausen, Dieter C., and Klein, R. M. 1981. "Gramineas, pt. 1." Flora Ilustrada Catarinense pt.1, fasc.GRAM. pt. 1:1-435, pl.
  • Wasshausen, Dieter C. 1981. "Justicia sonorae, a new species of Acanthaceae from Mexico." Phytologia 49:65-69.
  • Wasshausen, Dieter C. 1981. "Kalbreyeracanthus Wasshausen, nom. nov." Taxon 30:477.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1979. "Begonia of Ecuador." Phytologia 44:233-256.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1978. "Notas sobre Gramineas Brasileiras - 1." Bradea 2, no. 35:243-250.
  • Smith, Lyman B. and Wasshausen, Dieter C. 1977. "Os gneros de Gramineas no Brasil." Bradea 2, no. 32:221-228.
  • Wasshausen, Dieter C. 1977. "New species of Acanthaceae from Colombia." Phytologia 37:213-218.
  • Wasshausen, Dieter C. 1977. "New taxa of Acanthaceae from the Rio Palenque Science Center." Selbyana 2 (1):14-21.
  • Wasshausen, Dieter C. 1976. "A new species of Oplonia (Acanthaceae) from Peru." Phytologia 33:444-446.
  • Wasshausen, Dieter C. 1976. "Two additional new species of Aphelandra (Acanthaceae)." Phytologia 33:178-182.
  • Wasshausen, Dieter C. 1976. "A new species of Ruellia (Acanthaceae) from Panamá." Phytologia 33:59-62.
  • Wasshausen, Dieter C. and de Arroyo, Mary T. Kalin. 1976. "A New Species of Justicia (Acanthaceae) from Venezuela." Boletin de la Sociedad Venezolana de Cilnuas Naturales 22:407-413.
  • Wasshausen, Dieter C. 1975. "The genus Aphelandra (Acanthaceae)." Smithsonian Contributions to Botany (18): 1-157. https://doi.org/10.5479/si.0081024X.18
  • Getulio, A. and Wasshausen, Dieter C. 1974. "Tetramerium (Acanthaceae), Un genero nuevo para la flora de Venezuela." Acta Botanica Venezuelica 8, no. 1-3:163-166.
  • Wasshausen, Dieter C. 1974. "Two additional new species of Aphelandra (Acanthaceae)." Phytologia 26:393-396.
  • Wasshausen, Dieter C. 1974. "New combinations in cultivated Justicia (Acanthaceae)." Baileya 19:1-3.
  • Agostini, Getulio and Wasshausen, Dieter C. 1973. "Tetramerium (Acanthaceae), Un Genero Nuevo para la Flora de Venezuela." Acta Botanica Venezuelica 8 (1-4):163-166.
  • Wasshausen, Dieter C. 1973. "Two Additional New Species of Aphelandra (Acanthaceae)." Phytologia 26:393-396.
  • Wasshausen, Dieter C. 1973. "New Combinations in Cultivated Justicia (Acanthaceae)." Baileya 19:1-3.
  • Wasshausen, Dieter C. 1973. "New species of Aphelandra (Acanthaceae)." Phytologia 25:465-502.
  • Wasshausen, Dieter C. and Austin, D. F. 1973. "A Ruellia (Acanthaceae) species in Exogonium (Convolvulaceae)." Phytologia 25:433-437.
  • Wasshausen, Dieter C. 1971. "Acanthaceae." in Flora of the Galapagos Islands, edited by Wiggins, I. L. and Porter, D. M., 259-268.
  • Wasshausen, Dieter C. 1970. "Acanthaceae." in Manual of the Vascular Plants of Texas, edited by Correll, D. S. and Johnston, M. C., 1456-1475.
  • Wasshausen, Dieter C. 1970. "A sysnopsis of the genus Suessenguthis (Acanthaceae)." Rhodora 77 (789):119-125.
  • Wasshausen, Dieter C. 1970. "A Synopsis of the Genus Seussenguthia (Acanthaceae)." Rhodora 72 (789):119-125.
  • Wasshausen, Dieter C. and Smith, Lyman B. 1969. "Acanthaceae." in Flora Ilustrada Catarinensis, 1-134.
  • Wasshausen, Dieter C. 1966. "Family Acanthaceae." in Flora of Texas, vol. 1, part 3, edited by Lundell, C. L., 223-282.
  • Wasshausen, Dieter C. 1965. "New combinations in the family Acanthaceae." Phytologia 12:427-428.
  • Fenn, R. W., Gerber, H. E., and Wasshausen, Dieter C. 1963. "Measurements of the sulphur and ammonium components of the Arctic Aerosol of the Greenland Icecap." Journal of the Atmospheric Sciences 20:466-468.

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