Invited Refereed Papers 

1.  2001.  HIDAYATI, S.N. & J.L. WALCK. Case study: Rafflesia patma in the Pangandaran Nature Reserve, Java. In J. Nais. Rafflesia of the world. Sabah Parks and Natural History Publications, Sabah, Malaysia. 

2.  2002.  WALCK, J.L., T.L. HEMMERLY & S.N. HIDAYATI. The endangered Tennessee purple coneflower, Echinacea tennesseensis (Asteraceae): its ecology and conservation. Native Plants Journal 3: 54-64. [PDF]

3.  In Press.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Temporal fulfillment of the light requirement for seed germination: an example of its use in management of rare species. Pp. 365-373 in Seeds: Biology, Development and Ecology. Edited by S. Navie, S. Adkins & S. Ashmore. CAB International, Wallingford, UK. 

Regular Refereed Submissions 

4.  2001.  WALCK, J.L., J.M. BASKIN & C.C. BASKIN. Why is Solidago shortii narrowly endemic and S. altissima geographically widespread? A comprehensive comparative study of biological traits. Journal of Biogeography 28: 1221-1237. [PDF]

5.  2002.  WALCK, J.L., S.N. HIDAYATI & N. OKAGAMI. Seed germination ecophysiology of the Asian species Osmorhiza aristata (Apiaceae): comparison with its North American congeners and implications for evolution of types of dormancy. American Journal of Botany 89: 829-835. [PDF]

6.  2002.  WEN, J., P.P. LOWRY II, J.L. WALCK & K.-O. YOO. Phylogenetic and biogeographic diversifications in Osmorhiza (Apiaceae). Annals of the Missouri Botanical Garden 89: 414-428. [PDF]

7.  2002.  MORRIS, L.L., J.L. WALCK & S.N. HIDAYATI. Growth and reproduction of the invasive Ligustrum sinense and native Forestiera ligustrina (Oleaceae): implications for the invasion and persistence of a non-native shrub. International Journal of Plant Sciences 163: 1001-1010. [PDF]

8.  2002.  HIDAYATI, S.N. & J.L. WALCK. Contrasting seed germination patterns for intracontinental disjuncts of Heuchera (Saxifragaceae) in North America: the eastern temperate H. parviflora and the western montane H. cylindrica. Canadian Journal of Botany 80: 1185-1192. [PDF]

9.  2004.  MYERS, B.R., J.L. WALCK & K.E. BLUM. Vegetation change in a former chestnut stand on the Cumberland Plateau of Tennessee during an 80-year period (1921-2000). Castanea 69: 81-91.

10.  2004.  WALCK, J.L. & S.N. HIDAYATI. Germination ecophysiology of the western North American species Osmorhiza depauperata (Apiaceae): implications for preadaptation and phylogenetic niche conservatism in seed dormancy evolution. Seed Science Research 14: 387-394. [PDF] 

11.  2004.  WALCK, J.L. & S.N. HIDAYATI. Differences in light and temperature responses determine autumn versus spring germination for seeds of Schoenolirion croceum. Canadian Journal of Botany 82: 1429-1437. [PDF] 

12.  2004.  WELCH, L., J.L. WALCK & K.E. BLUM. Assessment of species for landscape management of archaeological sites in middle Tennessee. Journal of the Tennessee Academy of Science 79: 13-17. 

13.  2005.  KARLSSON, L.M., S.N. HIDAYATI, J.L. WALCK & P. MILBERG. Complex combination of seed dormancy and seedling development determine emergence of Viburnum tinus (Caprifoliaceae). Annals of Botany 95: 323-330. [PDF]

14.  2005.  ESTES, L.D. & J.L. WALCK. The vascular flora of Rattlesnake Falls: a potential state natural area on the Western Highland Rim Escarpment in Tennessee. Sida 21: 1753-1780. [PDF]

15.  2005.  WALCK, J.L., J.M. BASKIN, C.C. BASKIN & S.N. HIDAYATI. Defining transient and persistent seed banks in species with pronounced seasonal dormancy and germination patterns. Seed Science Research 15: 189-196. [PDF]

16.  2006.  THOMPSON, J.N., J.L. WALCK & S.N. HIDAYATI. Microhabitat requirements of the federally endangered Dalea foliosa, with recommendations on establishment of new populations. Castanea 71: 94-104. [PDF]

17.  2006.  BASKIN, J.M., S.N. HIDAYATI, C.C. BASKIN, J.L. WALCK, Z.-Y. HUANG & C.-T. CHIEN. Evolutionary considerations of the presence of both morphophysiological and physiological seed dormancy in the highly advanced euasterids II order Dipsacales. Seed Science Research 16: 233-242. [PDF]

18.  In Press.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Agroecosystem management for rare species of Paysonia (Brassicaceae): integrating their seed ecology and life cycle with cropping regimes in a changing climate. American Journal of Botany. 

19.  Accepted.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Germinating seeds of two rare Lesquerella species: substrate effects and mucilage production. Native Plants Journal. 

RECENT BOOK REVIEWS

1.  2004.  The biology of seeds: recent research advances, by G. Nicolás, K.J. Bradford, D. Côme & H.W. Pritchard. 2003. CABI Publishing, Wallingford, UK. xx + 472 pp. In Plant Science Bulletin 50: 133-135. 

2.  2005.  The ecology of seeds, by M. Fenner & K. Thompson. 2005. Cambridge University Press, Cambridge. x + 250 pp. Seed Science Research 15: 365-366. [PDF]

ABSTRACTS OF RECENT PRESENTATIONS AT MEETINGS

International

1.  2005.  WALCK, J.L., J.M. BASKIN, C.C. BASKIN & S.N. HIDAYATI. Defining transient and persistent seed banks based on number of germination seasons rather than on number of years. Abstracts of the 8th International Workshop on Seeds, p. 118.

2.  2005.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Photoecology of seed germination for two rare Paysonia species: agroecosystem management and climatic change. Abstracts of the 8th International Workshop on Seeds, p. 26.

National

3.  2002.  WALCK, J.L. & S.N. HIDAYATI. The influence of light during dormancy release on germination of Schoenolirion croceum (Hyacinthaceae) seeds. Abstracts of the Annual Meeting of the Botanical Society of America, p. 35.

4.  2003.  THOMPSON, J.N., J.L. WALCK & S.N. HIDAYATI. Microhabitats of the rare Dalea foliosa and its congener D. gattingeri in middle Tennessee. Abstracts of the Annual Meeting of the Botanical Society of America, p. 40.

5.  2005.  HIDAYATI, S.N. & J.L. WALCK. Seed dispersal and germination strategies of two Oenothera species (Onagraceae) in temperate North America. Abstracts of the Annual Meeting of the Botanical Society of America, p. 48.

6.  2005.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Temporal aspects of the light requirement for seed germination of two rare Paysonia species (Brassicaceae) in considering management protocols. Abstracts of the Annual Meeting of the Botanical Society of America, p. 58.

7.  2006.  COFER, M.S., J.L. WALCK & S.N. HIDAYATI. Determinants of species richness and exotic species invasion on cedar glades in middle Tennessee. Abstracts of the Annual Meeting of the Botanical Society of America, p. 119.

8.  2006.  WALCK, J.L., M.S. COFER & S.N. HIDAYATI. Germination ecology of bulbils from the exotic vine Dioscorea oppositifolia (Dioscoreaceae). Abstracts of the Annual Meeting of the Botanical Society of America, p. 129.

Regional

9.  2002.  MORRIS, L.L. & J.L. WALCK. A comparison of the invasive Ligustrum sinense and the native Forestiera ligustrina (Oleaceae): growth and reproductive characteristics. Southeast Exotic Pest Plant Council, 4th Annual Symposium.

10.  2003.  ESTES, L.D. & J.L. WALCK. A floristic inventory of Rattlesnake Falls: a potential state natural area on the Highland Rim Escarpment in Tennessee. Proceedings on the Natural History of Lower Tennessee and Cumberland River Valleys, 10th Symposium, p. 258.

11.  2003.  HURT, K.D., R.B. SULKERS, J.L. WALCK & S.N. HIDAYATI. Effects from management of the nonnative shrub Ligustrum sinense on native vegetation. Proceedings on the Natural History of Lower Tennessee and Cumberland River Valleys, 10th Symposium, p. 261.

12.  2003.  SULKERS, R.B., K.D. HURT, J.L. WALCK & S.N. HIDAYATI. Effects of the nonnative shrub Ligustrum sinense on native herbaceous and woody vegetation. Proceedings on the Natural History of Lower Tennessee and Cumberland River Valleys, 10th Symposium, p. 262.

13.  2003.  WALCK, J.L. & S.N. HIDAYATI. Seed germination ecology of the rare Tennessean plant, yellow sunnybell (Schoenolirion croceum). Proceedings on the Natural History of Lower Tennessee and Cumberland River Valleys, 10th Symposium, p. 263.

14.  2005.  SULKERS, R.B., J.W. LAMB, K.C. FITCH & J.L. WALCK. Breeding season habitat of Henslow's sparrow (Ammodramus henslowii) at the Arnold Air Force Base, Tennessee. Southeastern Biology 52: 261.

15.  2005.  HIDAYATI, S.N. & J.L. WALCK. Seed dispersal and germination strategies of two Oenothera species (Onagraceae) in temperate North America. Southeastern Biology 52: 205-206.

16.  2005.  FITCH, E.A., J.L. WALCK & S.N. HIDAYATI. Photoecology of seed germination for two rare Paysonia species (Brassicaceae): consequences for management in an agroecosystem. Southeastern Biology 52: 138.

17.  2005.  HURT, K.D., R.B. SULKERS, J.L. WALCK & S.N. HIDAYATI. Effects from the removal of the exotic species Ligustrum sinense (Oleaceae) on native vegetation. Southeastern Biology 52: 168.

18.  2005.  WALCK, J.L., J.M. BASKIN, C.C. BASKIN & S.N. HIDAYATI. Defining transient and persistent seed banks based on germination seasons: ecological and evolutionary perspectives. Southeastern Biology 52: 137-138.

19.  2006.  ROLIG, M., J.L. WALCK & S.N. HIDAYATI. Effects of herbicides and fertilizers on seed germination of two rare Paysonia species (Brassicaceae). Southeastern Biology 53: 171.