CURRICULUM VITAE GEORGE A. YATSKIEVYCH, Ph.D Curator Flora of Missouri Project Missouri Botanical Garden P.O. Box 299 St. Louis, MO 63166-0299 Office: (314) 577-9522 Fax: (314) 577-0830 E-mail: george.yatskievych@mobot.org

Born June 21, 1957, in Kassel, Germany. American, married to Kay Yatskievych, no children, three cats.

EDUCATION

• Ph.D. (1990) Plant Sciences, Indiana University, Bloomington, IN 47405.
• M.S. (1982) Horticulture (Plant Sciences), University of Arizona, Tucson, AZ 85721.
• B.S. (1979) Ecology and Evolutionary Biology, University of Arizona.

SERVICE

• Peer reviewer for various botanical journals, such as Systematic Botany, American Journal of Botany, Sida, Castanea, and Northeastern Naturalist; also proposal reviewer for National Science Foundation, National Geographic Society, etc. (ongoing).

• International Association for Plant Taxonomy, General Nomenclature Committee (2005-present).

• Stanton H. Hudson Memorial Award Committee, Missouri Native Plant Society (2003-present)

• Consulting Editor, Novon (Missouri Botanical Garden) (2002-present).

• Membership Secretary, American Fern Society (2002-present).

• Selection Committee, Catherine H. Beattie Fellowship, Center for Plant Conservation/Garden Club of America (2001-present).

• Science Advisory Committee, Center for Plant Conservation (2000-present).

• Co-editor, Missouriensis (Missouri Native Plant Society) (1993-present), Editorial Committee, Missouriensis (1988-present).

• Regional Reviewer and Technical Consultant, Flora of North America Project (1992-present).

• Board, Missouri Native Plant Society (1989-present), vice president (1992-1993).

• Reviewer, Index to Plant Chromosomes Project (1988-present).

• Indiana Floristic Quality Assessment Committee (2003-2004).

• Invasive Exotics Committee, Missouri Botanical Garden (2002-2004).

• Missouri Exotic Pest Plant Council (2001-2002) (see: http://www.mobot.org/MOBOT/research/mepp/welcome.shtml).

• Co-organizer, China Fern International Workshop, Missouri Botanical Garden/Academia Sinica (2001).

• Committee for Recently Extinct Organisms (representing Center for Plant Conservation and Missouri Botanical Garden) (1999).

• Karling Graduate Research Award Committee, Botanical Society of America (1998-2000), chairperson (1999-2000).

• Juror and co-organizer, American Society of Botanical Artists/Guild of Natural Science Illustrators international botanical art exhibit, Art in Science, July 1999, St. Louis, MO.

• Local representative (American Fern Society), International Botanical Congress (1998-1999).

• Field Trip Committee, International Botanical Congress (1998-1999).

• Editor, American Fern Journal, American Fern Society (1994-1999).

• Editorial Committee, Systematic Botany (American Society of Plant Taxonomists) (1993-1994).

• Conservation Committee, Botanical Society of America (1991-1993), chairperson (1992-1993).

• Edgar Denison Award (small grant program at Missouri Botanical Garden), administered (1988).

• General Botany (non-credit)
• Plant Taxonomy (non-credit)
• Botany of the Sonoran Desert (non-credit)
• Fungi Laboratory (assisted)
• Man and the Biological World (lab, assisted)
• Vascular Plant Survey (lab, assisted)
• Summer Flowering Plants (assisted)
• Genetics Laboratory (assisted)
• Basic Pteridology (Ornamental Plant Materials Certificate Program, Chicago Botanic Garden; also Adult Education Program, Missouri Botanical Garden)
• Numerous professional workshops on plant identification, grasses, sedges, Missouri vegetation, etc. (for Missouri Dept. of Conservation).
• Various guest lectures, Plant Taxonomy

• Basic Training for Financial Management
• Diversity
• Effective Communication Skills
• Performance Management
• Putting Policies and Procedures to Work
• Seven Habits of Highly Effective People
• Sexual Harassment
• Team Building and Problem Solving
• Understanding and Servicing Internal and External Stakeholders

AWARDS

Indiana Academy of Science, Best Student Paper Award, annual meeting (1987).

Edgar T. Wherry Award, Botanical Society of America, Pteridological Section (1989).

Julian A. Steyermark Award, Missouri Native Plant Society (1999).

John E. Wylie Service Award, Missouri Native Plant Society (2004).

GRANTS AND FELLOWSHIPS

• University of Arizona Graduate Student Program Development Fund (grant, 1980).

• Sigma Xi, the Scientific Research Society (grant, 1980).

• Indiana University, Department of Biology, research support award (1982, 1984, 1985).

• Indiana University, Department of Biology, Plant Sciences Graduate Program, Bayard Franklin Floyd Memorial Summer Fellowship (1983-1985, 1987).

• Indiana Academy of Science (grant, 1983).

• Indiana University, Graduate School, Doctoral Student Grant-in-Aid of Research (grant, 1985).

• Indiana University, Department of Biology, Plant Sciences Graduate Program, Bayard Franklin Floyd Memorial Fellowship (1985).

• Indiana University, Graduate School, Alumni Off-Campus Research Fellowship (1985).

• National Academy of Sciences, Joseph Henry Fund, Grant-in-Aid of Research, administered through Sigma Xi, the Scientific Research Society (grant, 1986).

• National Science Foundation, Grants for Improving Doctoral Research ($3,046 grant, 1986).

• National Science Foundation, Systematic Biology Program, with Gerald J. Gastony ($120,000 grant, 1989).

• Flora of Missouri illustrations (worked with Dr. Peter Raven to raise ca. $90,000 total from The Academy of Science of St. Louis, Timon Primm Memorial Fund, Mrs. John S, Lehmann, John Allen Love Foundation, Missouri Department of Conservation, and Wednesday Club of St. Louis).

• Missouri Department of Conservation, to fund postdoctoral position at Missouri Botanical Garden for Flora of Missouri Project ($55,000 grant, 1999; $15,000 supplement, 2000; $10,000 supplement, 2001; $9,300 matching supplement, 2002).

• American Fern Society

• American Society of Plant Taxonomists

• Arizona-Nevada Academy of Science

• Botanical Society of America

• California Botanical Society

• Indiana Academy of Science

• International Association of Plant

• Taxonomists

• International Association of Pteridologists

• Natural Areas Association

• Missouri Academy of Science

• Sigma Xi, the Scientific Research Society

• Southern Appalachian Botanical Society

1. Phipps, J. B., G. Yatskievych, and K. Wood. 2007. Typification of Crataegus names from the Missouri Flora. Harvard Pap. Bot. 11: 179-197.
2. Yatskievych, G. 2006. Steyermark's Flora of Missouri, Second Edition, Volume 2. Missouri Botanical Garden Press, St. Louis.
3. Windham, M. D., and G. Yatskievych. 2005. A novel hybrid Polypodium from Arizona. 1Amer. Fern J. 95:57-67.
4. Yatskievych, G. 2004 (2005). How faster to master the Aster disaster: a primer on the changing nomenclature of Missouri asters. Missouriensis 25: 26-32.1
5. Yatskievych, G., and W. Meijer. 2004. Rafflesiaceae. Pp. 407-410 in P. E. Berry, K. Yatskievych, and B. K. Holtz, eds. Flora of the Venezuelan Guayana, Volume 8. Missouri Botanical Garden Press, St. Louis.
6. Yatskievych, G. 2004. Lennoaceae. Pp. 209-211, pl. 26C in N. Smith, S. A. Mori, A. Henderson, D. W. Stevenson, and S. V. Heald, eds. Flowering Plants of the Neotropics. Princeton University Press and New York Botanical Garden Press, Princeton and New York.
7. Yatskievych, G. 2003. Conservation and endangerment of North American pteridophytes. Fiddlehead Forum 30:25-26.
8. Windham, M. D., and G. Yatskievych. 2003. Chromosome studies of cheilanthoid ferns (Pteridaceae: Cheilanthoideae) from the western United States and Mexico. Amer. J. Bot. 90:1788-1800.
9. Windham, M. D., and G. Yatskievych. 2003. Revised nomenclature and a new North American record for the villose cliff brake (Pellaea, Pteridophyta). Novon 13:358-362.
10. Yatskievych, G., and A. R. Smith. 2003. Typification of Notholaena R. Br. (Pteridaceae). Taxon 52:331-336.
11. Tenaglia, D., and G. Yatskievych. 2002. Thlaspi alliaceum (Brassicaceae), another non-native species new to Missouri. Missouriensis 23:39-41.
12. Yatskievych, G. 2002. Obituary: Joanna M. Turner (1929-2002). Missouriensis 23:1-6.
13. Yatskievych, G. 2002. Lennoaceae (p. 362), Rafflesiaceae (p. 446). In B. G. Baldwin, S. Boyd, B. J. Ertter, R. W. Patterson, T. J. Rosatti, and D. H. Wilkin, eds. The Jepson Desert Manual. University of California Press, Berkeley, CA.
14. Yatskievych, G. 2001. Lennoaceae. Pp. 1213-1214 in W. D. Stevens, C. Ulloa U., A. Pool, and O. M. Montiel, eds. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(2).
15. Yatskievych, G., and J.A. Raveill. 2001. Notes on the increasing proportion of non-native angiosperms in the Missouri flora, with reports of three new genera for the state. Sida 19:701-709.
16. Mendoza, A., M. D. Windham, B. Pérez-García, and G. Yatskievych. 2001. Una nueva especie de Pellaea (Pteridaceae) del estado de San Luis Potosí, México. Acta Bot. Mex. 57:15-21.
17. Kallhoff, V., and G. Yatskievych. 2001. Revision of the genus Heuchera in Missouri. Missouriensis 22:22-38.
18. Yatskievych, G., and D. Holland. 2000. Obituary: Joseph A. Ewan (1909-1999). Amer. Fern J. 90:87-89.
19. Morris, M., and G. Yatskievych. 2000. The genus Callirhoe in Missouri. Missouriensis 21:1-20.
20. Yatskievych, G. 2000. Steyermark's Flora of Missouri, volume 1, errata. Missouriensis 21:39-44.
21. Wood, K., and G. Yatskievych. 2000. Taxonomic and nomenclatural differences between the first and revised editions of Steyermark's Flora of Missouri. Missouriensis 21:45-64.
22. Yatskievych, G. 1999. Steyermark's Flora of Missouri, Second Edition, Volume 1. Missouri Department of Conservation and Missouri Botanical Garden, Jefferson City and St. Louis.
23. Yatskievych, G., and R. Riba. 1999. Phanerophlebia. Pp. 26-38 in Consejo Nacional de la Flora de México, A.C., eds. Flora de México, Volume 6, Fascicle 4. Consejo Nacional de la Flora de México, Mexico City.
24. Turner, J., and G. Yatskievych. 1998. A family index to the Illustrated Flora of Illinois. Erigenia 16:71-72.
25. Yatskievych, G., and W. L. Wagner. 1998. Proposal to amend Art. 46.6 to avoid "Anonymous" as author of a name. Taxon 47:773-774.
26. Yatskievych, G., and J. Piper. 1998. Pteridophyta (12 families). Pp. 178-191 in P. S. Martin, D. Yetman, M. Fishbein, P. Jenkins, T. R. Van Devender, and R. K. Wilson, eds. Gentry's Río Mayo Plants, revised edition. University of Arizona Press, Tucson.
27. Carlquist, S., E. Schneider, and G. Yatskievych. 1997. SEM studies on vessels in ferns. 1. Woodsia obtusa. Amer. Fern J. 87:1-8.
28. Wollenweber, E., M. Dörr, H. Fritz, S. Papendieck, G. Yatskievych, and J. Roitman. 1997. Exudate flavonoids in Asteraceae from Arizona, California, and Mexico. Z. Naturforsch. 52c:301-307.
29. Yatskievych, G. 1996. A revision of the fern genus Phanerophlebia (Dryopteridaceae). Ann. Missouri Bot. Gard. 83:168-199.
30. Summers, B., M. Skinner, and G. Yatskievych. 1996. Dalea gattingeri, a cedar glade endemic new to Missouri. Missouriensis 17:4-9.
31. Smith, S. G., and G. Yatskievych. 1996. Notes on the genus Scirpus senu lato in Missouri. Rhodora 98:168-179.
32. Wollenweber, E., K. Mann, M. Dörr, H. Fritz, J. N. Roitman, and G. Yatskievych. 1995. Exudate flavonoids in three Ambrosia species. Natural Product Letters 7:109-116.
33. Yatskievych, G. 1995. Aleuritopteris (p. 118), Argyrochosma (p. 119), Cheiloplecton (p. 129), Notholaena (pp. 135-136), Pellaea (pp. 136-137), Phanerophlebia (pp. 215-216). In G. Davidse, M. Sousa S., and A. O. Chater, eds. Flora Mesoamericana, Volume 1 (R. Moran and R. Riba, editors for Pteridophyta). Universidad Nacional Autónoma de México, Mexico City.
34. Yatskievych, G., and R. C. Moran 1995. Pteridaceae family description and key to genera (pp. 104-105), Cheilanthes (pp. 121-128). In G. Davidse, M. Sousa S., and A. O. Chater, eds. Flora Mesoamericana, Volume 1 (R. Moran and R. Riba, editors for Pteridophyta). Universidad Nacional Autónoma de México, Mexico City.
35. Yatskievych, G., and A. Brant. 1994. The Polygonum aviculare complex in Missouri. Missouriensis 15:22-44.
36. Wollenweber, E., and G. Yatskievych. 1994. External flavonoids of ocotillo (Fouquieria splendens). Z. Naturforsch. 49c:689-690.
37. Yatskievych, G. 1993. Antheridiogen response in Phanerophlebia and related fern genera. Amer. Fern. J. 83:30-36.
38. Yatskievych, G. 1993. Nomenclature update. Page 229 in F. Gordon Foster, Ferns to Know and Grow, edition 3. Timber Press, Portland, OR.
39. Yatskievych, G., and R. Spellenberg. 1993. Plant conservation. Chapter 10 (pp. 207-226) in Flora of North America Editorial Committee, ed., Flora of North America, North of Mexico, volume 1. Oxford Univ. Press, New York.
40. Yatskievych, G. 1993. Cyrtomium (pp. 299-300), Phanerophlebia (pp. 300-301). In Flora of North America Editorial Committee, ed. Flora of North America, North of Mexico, Volume 2. Oxford Univ. Press, New York.
41. Yatskievych, G., and M. D. Windham. 1993. Pentagramma (pp. 149-151), Pityrogramma (pp. 135-136). In Flora of North America Editorial Committee, ed. Flora of North America, North of Mexico, Volume 2. Oxford Univ. Press, New York.
42. Yatskievych, G. 1993. Lennoaceae, lennoa family [of Arizona]. J. Arizona-Nevada Acad. Sci. 27:220-221.
43. Yatskievych, G. 1993. Rafflesiaceae, rafflesia family [of Arizona]. J. Arizona-Nevada Acad. Sci. 27:239.
44. Yatskievych, G. 1993. Lennoaceae (p. 734), Rafflesiaceae (p. 910). In J. C. Hickman, ed. The Jepson Manual, Higher Plants of California. University of California Press, Berkeley, CA.
45. Gastony, G. J., and G. Yatskievych. 1992. Maternal inheritance of the chloroplast and mitochondrial genomes in cheilanthoid ferns. Amer. J. Bot. 79:716-722.
46. Gastony, G. J., G. Yatskievych, and C. K. Dixon. 1992. Chloroplast DNA restriction site variation in the fern genus Pellaea: phylogenetic relationships of the Pellaea glabella complex. Amer. J. Bot. 79:1072-1080.
47. Turner, J., and G. Yatskievych. 1992. County record vouchers for vascular plant species newly recorded for Missouri since 1963. Missouriensis 13:1-24.
48. Yatskievych, G. 1992. Innovations in the fern genus Phanerophlebia. Novon. 2:445-446.
49. Yatskievych, G. 1991. Rare and endangered ferns and concepts of endangerment in the United States. Fiddlehead Forum 18:16-17.
50. Yatskievych, G., and B. Summers. 1991. Studies in the flora of Missouri, III. Missouriensis 12:4-11.
51. Yatskievych, G., M. D. Windham, and E. Wollenweber. 1990. A reconsideration of the genus Pityrogramma Link (Adiantaceae) in western North America. Amer. Fern J. 80:9-17.
52. Yatskievych, G. 1990. Studies in the flora of Missouri, II. Missouriensis 11:2-4.
53. Yatskievych, G. 1990. The Missouri wildflower that wasn't. Missouriensis 11:42-44.
54. Yatskievych, G., and J. Turner. 1990. Catalogue of the flora of Missouri. Monogr. Syst. Bot. Missouri Bot. Gard. 37:i-xii, 1-345.
55. Summers, B., and G. Yatskievych. 1990. Aster macrophyllus L. (Asteraceae), a new record for Missouri. Missouriensis 11:31-35.
56. Yatskievych, G. 1989. A new combination in South American Polystichum. Amer. Fern J. 79:26-27.
57. Yatskievych, G., and R. Moran. 1989. Primary divergence and species concepts in ferns. Amer. Fern J. 79:36-45.
58. Yatskievych, G., and D. Figg. 1989. Studies in the flora of Missouri, I. New records of introduced taxa. Missouriensis 10:16-19.
59. Stein, D. B., Yatskievych, G., and G. J. Gastony. 1989. Chloroplast DNA evolution and phylogeny of some polystichoid ferns. Biochem. Syst. Ecol. 17:93-101.
60. Wollenweber, E., K. Mann, S. Stern-Hochwarth, and G. Yatskievych. 1989. Exudate flavonoids in miscellaneous Asteraceae. Phytochem. Bull. 21:19-23.
61. Wollenweber, E., S. Stern, J. N. Roitman, and G. Yatskievych. 1989. External leaf flavonoids of Polanisia trachysperma. Phytochemistry 28:303-305.
62. Yatskievych, G., D. B. Stein, and G. J. Gastony. 1988. Chloroplast DNA evolution and systematics of Phanerophlebia and related fern genera. Proc. Natl. Acad. Sci. USA. 85:2589-2593.
63. Arriaga-Giner, F. J., E. Wollenweber, I. Schober, and G. Yatskievych. 1988. Three new benzoic acid derivatives from the glandular excretion of Eriodictyon sessilifolium (Hydrophyllaceae). Z. Naturforsch. 43c:337-340.
64. Yatskievych, G. 1988. Julian Steyermark, a lifetime of botany. Missouriensis 9:4-7.
65. Yatskievych, G. 1988. The confusing case of the flame fame flower. Missouriensis 9:10-12.
66. Yatskievych, G., and L. E. Johnson. 1987. Notes on Peperomia heterodoxa (Piperaceae) in Mexico. Sida 12:419-421.
67. Yatskievych, G., M. A. Homoya, and D. R. Farrar. 1987. The fern genera Vittaria and Trichomanes in Indiana. Proc. Indiana Acad. Sci. 96:429-434.
68. Yatskievych, G., and K. McCrary Yatskievych. 1987. A floristic inventory of the Yellow Birch Ravine Nature Preserve, Crawford County, Indiana. Proc. Indiana Acad. Sci. 96:435-445.
69. Wollenweber, E., D. Hradetzky, K. Mann, J. N. Roitman, G. Yatskievych, and M. Proksch. 1987. Exudate flavonoids from aerial parts of five Ambrosia species. J. Pl. Physiol. 131:37-43.
70. Wollenweber, E., I. Schober, P. Dostal, D. Hradetzky, F. J. Arriaga-Giner, and G. Yatskievych. 1986. Flavonoids and terpenoids from the exudates of some Baccharis species. Z. Naturforsch. 41c:87-93.
71. Yatskievych, G., and M. D. Windham, 1986. Notes on Arizona Pteridophyta. J. Arizona-Nevada Acad. Sci. 21:19-21.
72. Yatskievych, G., and C. T. Mason, Jr. 1986. A revision of the Lennoaceae. Syst. Bot. 11:531-548.
73. Yatskievych, G. 1985. Notes on the biology of the Lennoaceae. Cactus and Succulent J. (U.S.) 57:73-79.
74. Wollenweber, E., and G. Yatskievych. 1985. Flavonoides en la resina foliar de Flourensia resinosa, compuesta endémica de Hidalgo, México. Rev. Latinoam. Quím. 16:45-46.
75. Wollenweber, E., K. Mann, F. J. Arriaga, and G. Yatskievych. 1985. Flavonoids and terpenoids from the leaf resin of Pluchea odorata. Z. Naturforsch. 40c:321-324.
76. Wollenweber, E., I. Schober, W. D. Clark, and G. Yatskievych. 1985. Flavonoid aglycones from leaf resins of two species of Heterotheca (Compositae). Phytochem. 24:2129-2131.
77. Yatskievych, G., and C. T. Mason, Jr. 1984. A taxonomic study of Ipomoea tenuiloba Torrey (Convolvulaceae), with notes on related species. Madroño 31:102-108.
78. Yatskievych, G., and M. Zavada. 1984. Pollen morphology of Lennoaceae. Pollen et Spores 26:131-143.
79. Yatskievych, G. and P. C. Fischer. 1983. New plant records from the Sonoran Desert. Desert Plants 5:180-185.
80. Wollenweber, E., and G. Yatskievych. 1982. Flavonoid esters from the fern, Notholaena neglecta. J. Nat. Products 45:216-219.
81. Yatskievych, G. 1982. A conspectus of the Lennoaceae. Phytologia 52:73-74.
82. Yatskievych, G. and C. E. Jenkins. 1981. Fall vegetation and zonation of Hooker Cienega, Graham County, Arizona. J. Arizona-Nevada Sci. 16:7-11.
83. Mason, C. T., Jr., and G. Yatskievych. 1981. Notes on the flora of Arizona VI. Desert Plants 3:29-30.
84. Yatskievych, G. 1980. Ferns and fern-allies of the Garden Canyon Area of the Huachuca Mountains, Cochise County, Arizona. Desert Plants 2:237-243.

• The Jepson Manual (California)
• The Jepson Desert Manual (California)
• Flora of North America, North of Mexico
• Flora Mesoamericana
• Nuevo Catálogo de la Flora de Venezuela
• Flora of the Venezuelan Guayana
• Gentry's Río Mayo Plants
• Flora de México
• Flora de Nicaragua
• Steyermark's Flora of Missouri
• Vascular Plants of Arizona
• Flora of China

1. Windham, M. D., and G. Yatskievych. 2007. xxx
2. Yatskievych, G. 2006. The roles of taxonomy and floristics in understanding plant diversity in Missouri. Invited seminar, presented to the Dept. of Biological Sciences, University of Missouri, Rolla.
3. Yatskievych, G. 2004. Floristic, systematic, and conservation biology applications using museum- and molecular-derived data, with examples from the midwestern flora and cheilanthoid ferns. Invited seminar, presented to the Dept. of Biology, Indiana University, Bloomington.
4. McCourt, R. M., and G. Yatskievych. 2004. Program and Panel Discussion organized for Missouri Historical Society, St. Louis, Missouri, "The botanical legacy of Lewis and Clark."
5. Yatskievych, G., and T. E. Smith. 2003. Workshop co-organizers: "Missouri's least wanted; invasive exotic plants in our state," Missouri Natural Resources Conference, Lake of the Ozarks, Missouri. Also the following presentation (co-presented with Tim Smith): An overview of invasive exotic plants in Missouri."
6. Yatskievych, G., and T. E. Smith. 2003. Putting invasive exotics in perspective; an overview of the problem in Missouri. Invited presentation at the workshop: "Invasive plants and the horticultural industry-creating solutions from within," co-sponsored by the St. Louis Horticultural Coop and Missouri Botanical Garden.
7. Yatskievych, G., and E. G. Hooper. 2001. Symposium co-organizers: "Evolution and adaptations of pteridophytes in dry climates," Botanical Society of America annual meeting, Pteridological Section. Also the following presentations: Distribution of arid climates and drought-adapted pteridophytes, an introduction, (presented by Lisa Hooper); Morphological reassessment of molecular phylogenetic inferences in the xerically adapted cheilanthoid ferns (Pteridaceae: Cheilanthoideae), (presented by Gerald Gastony).
8. Yatskievych, G. 2000. The Flora of Missouri Project: Past, Present, and Future. Invited paper, presented at the Arkansas Vascular Flora Conference, Fayetteville.
9. Windham, M. D., and G. Yatskievych. 1998. The role of genetic bottlenecks in the evolution and conservation of cheilanthoid ferns. Amer. J. Bot. 85(6, supplement):99. Invited paper, presented at the symposium, "Conservation Biology of Pteridophytes," Botanical Society of America annual meeting, Pteridological Section.
10. Yatskievych, G. 1998. Missouri's changing flora-the last 35 years. Contributed paper, presented at the American Association of Botanical Gardens and Arboreta session, American Institute of Biological Sciences annual meeting.
11. Yatskievych, G. 1996. The role of genetics in ecological restoration. Invited paper presented at the symposium, "Ecological Restoration," at the American Association of Botanical Gardens and Arboreta conference, St. Louis.
12. Yatskievych, G. 1995. Life on the edge: Systematics and phylogeny of the cliff brake ferns. Invited seminar, presented to the Division of Biological Sciences, University of Missouri-Columbia.
13. Windham, M. D., G. J. Gastony, and G. Yatskievych. 1995. Evolutionary genetics of Pellaea lyngholmii (Adiantaceae), a rare fern endemic to north-central Arizona. Contributed paper, presented by M. D. Windham at the Second Southwestern Rare and Endangered Plant Conference, Flagstaff, AZ.
14. Gastony, G. J., and G. Yatskievych. 1993. Phylogenetic relationships in Pellaea section Pellaea (Pteridaceae, Cheilanthoideae) based on cpDNA restriction site variation. Amer. J. Bot. 80(6, supplement):108. Contributed paper, presented by G. J. Gastony at the Botanical Society of America annual meeting, Pteridological Section.
15. Gastony, G. J., and G. Yatskievych. 1992. Phylogenetic relationships in the Pellaea glabella complex (Pteridaceae: Cheilanthoideae). Contributed paper, presented by G. J. Gastony at the International Organization of Plant Biosystematists meeting, St. Louis.
16. Yatskievych, G. 1992. Why worry about weeds. Invited paper, presented at the Managing Problem Exotic Plant Species in Missouri and the Midwest Workshop, Columbia, MO.
17. Yatskievych, G., G. J. Gastony, and M. D. Windham. 1991. Generic concepts in cheilanthoid ferns. Amer. J. Bot. 78(supplement):150. Invited paper, presented at the symposium, "The Pterido-phytes of Mexico," Botanical Society of America annual meeting, Pteridological Section.
18. Gastony, G. J., and G. Yatskievych. 1991. Inheritance of chloroplast and mitochondrial genomes in cheilanthoid ferns (Adiantaceae subfamily Cheilanthoideae). Amer. J. Bot. 78(supplement):151. Contributed paper, presented by G. J. Gastony at the Botanical Society of America annual meeting, Pteridological Section.
19. Yatskievych, G. 1990. Progress toward a revised flora of Missouri. Contributed paper, Missouri Academy of Science annual meeting, Biology Section.
20. Yatskievych, G., G. J. Gastony, and D. B. Stein. 1990. Chloroplast DNA phylogenies:techniques and applications to some polystichoid ferns. Invited paper, presented at the symposium, "Nucleic Acids: Application to Pteridophyte Phylogeny," International Association of Pteridologists conference on "Progress in Pteridology," University of Michigan, Ann Arbor.
21. Yatskievych, G. 1989. Systematics and evolution of the fern genus Phanerophlebia. Contributed paper, presented at Dept. of Biology, Spring Semester Symposium, Indiana University.
22. Yatskievych, G., M. D. Windham, and E. Wollenweber. 1989. A reconsideration of the genus Pityrogramma Link (Adiantaceae) in the southwestern United States. Amer. J. Bot. 76(supplement):209. Contributed paper, presented at the Botanical Society of America annual meeting, Pteridological Section.
23. Yatskievych, G. 1989. Evolution and systematics of some neotropical ferns. Invited seminar, presented to the Division of Biological Sciences, University of Missouri-Columbia.
24. Yatskievych, G. 1989. Flora of Missouri: past, present, and future. Invited seminar (John Dwyer lecture), presented to the Dept. of Biology, Saint Louis University.
25. Yatskievych, G. 1988. Progress toward a revised flora of Missouri. Invited paper, presented at the Symposium on the Flora and Phytogeography of the Interior Highlands (in honor of Dr. Paul Redfearn), Southwest Missouri State University.
26. Yatskievych, G. 1988. Antheridiogen response in the fern genera Phanerophlebia, Cyrtomium, and Polystichum (Dryopteridaceae). Amer. J. Bot. 75(6, pt. 2):145. Contributed paper, presented at the Botanical Society of America annual meeting, Pteridological Section.
27. Stein, D. B., and G. Yatskievych. 1987. Chloroplast DNA evolution and phylogeny of the Polystichoid ferns. Invited paper, presented by D. B. Stein at the symposium "Chemosystematics in Pteridophytes," XIV International Botanical Congress.
28. Yatskievych, G., and R. Moran. 1987. Primary divergence and species concepts in ferns. Amer. J. Bot. 74:708. Invited paper, presented at the symposium, "Species Concepts in the Pteridophytes," Botanical Society of America annual meeting, Pteridological Section.
29. Yatskievych, G., and G. J. Gastony. 1987. Hybridization and polyploidy in the fern genus Phanerophlebia. Amer. J. Bot. 74:715. Contributed paper, presented at the Botanical Society of America annual meeting, Pteridological Section.
30. Yatskievych, G., and K. McCrary. 1986. Floristic inventory of the Yellow Birch Ravine Nature Preserve, Crawford County, Indiana. Contributed paper, Indiana Academy of Science annual meeting, Plant Taxonomy Section.
31. Yatskievych, G., M. A. Homoya, and D. R. Farrar. 1986. The fern genera Vittaria and Trichomanes in Indiana. Contributed paper, Indiana Academy of Science annual meeting, Plant Taxonomy Sect.
32. Wollenweber, E., K. Mann, and G. Yatskievych. 1986. Aglycones flavoniques dans l'excretat des feuilles de quelques plantes du Mexique et des Etats Unis. Poster, Groupe Polyphénols annual meeting.
33. Yatskievych, G. 1984. Taxonomy of the Lennoaceae. Amer. J. Bot. 71(5, pt. 2):576. Contributed paper, Botanical Society of America annual meeting, Systematics Section.
34. Yatskievych, G. 1981. Some uses of scanning electron microscopy in vascular plant taxonomy. Contributed paper, Tenth Western Regional Meeting of Electron Microscopists.
35. Yatskievych, G., and C. E. Jenkins. 1980. Plant zonation of Hooker Cienega, Graham County, Arizona. J. Arizona- Nevada Acad. Sci. 15(supp.):19. Contributed paper presented by C. E. Jenkins, Arizona-Nevada Academy of Science annual meeting, Botanical Sciences Section.

• Alabama-2003
• Arizona-1978-present
• Arkansas-1988, 1990, 2003, 2005, 2006
• California-1980-1982, 1984, 1988, 1990
• Colorado-1984, 1997
• Florida-1984
• Illinois-1985, 1992, 1994, 1998, 2003
• Indiana-1982-present
• Massachusetts-1986, 1987
• Michigan-1987, 1989, 1993, 1994
• Mississippi-2003
• Missouri-1987-present
• Nevada-1980
• New Mexico-1982, 1984-1985, 2001
• Oklahoma-1985
• Oregon-2000
• South Carolina-1983
• Texas-1981, 1983-1986, 1991
• Wisconsin-2001
• China-2001, 2002, 2004
• Costa Rica-1986
• Mexico-1980-1986, 1989, 2005, 2006

Floristics and biogeography of the United States (especially midwestern states) and Mexico. Vascular plant systematics and phylogeny, particularly of pteridophytes and parasitic angiosperm families. Plant conservation and invasive exotic species.