Part 7 - UNC Herbarium

BIBLIOGRAPHY 992
–––. 2002. Podophyllum. In Stearn, W.T. 2002. The genus Epimedium and other herbaceous Berberidaceae, including the
genus Podophyllum. Timber Press, Portland, OR.
Shaw, R.B., and R.D. Webster. 1987. The genus Eriochloa (Poaceae: Paniceae) in North and Central America. Sida 12: 165-
207.
Shen, Chung-Fu. 1992. A monograph of the genus Fagus Tourn. ex L. (Fagaceae). Ph.D. dissertation, Biology dept., City
University of New York. 390 pp.
Sherff, E.E., and E.J. Alexander. 1955. Compositae – Heliantheae – Coreopsidinae. North American Flora, series II, part 2.
New York Botanical Garden.
Shetler, S.G. 1982. Variation and evolution of the Nearctic harebells (Campanula subsect. Heterophylla). Phanerogamarum
Monographiae XI. J. Cramer, Vaduz. 516 pp.
–––, and N.R. Morin. 1986. Seed morphology in North American Campanulaceae. Ann. Mo. Bot. Gard. 73: 653-688.
–––, and S.S. Orli. 2000. Annotated checklist of the vascular plants of the Washington-Baltimore area. Part I: ferns, fern allies,
gymnosperms, and dicotyledons. Dept. of Botany, National Museum of Natural History, Smithsonian Institution,
Washington, DC.
–––, and S.S. Orli. 2002. Annotated checklist of the vascular plants of the Washington-Baltimore area. Part I: monocotyledons.
Dept. of Botany, National Museum of Natural History, Smithsonian Institution, Washington, DC.
Sheviak, C.J. 1991. Morphological variation in the compilospecies Spiranthes cernua (L.) L.C. Rich.: ecologically-limited
effects of gene flow. Lindleyana 6: 228-234.
–––. 1994. Cypripedium parviflorum Salisb. I. The small-flowered varieties. Amer. Orchid Soc. Bull. 63: 664-669.
–––, and P.M. Catling. 1980. The identity and status of Spiranthes ochroleuca (Rydberg) Rydberg. Rhodora 82: 525-562.
Shinners, L.H. 1946. Revision of the genus Kuhnia L. Wrightia 1: 122-144.
–––. 1957. Synopsis of the genus Eustoma (Gentianaceae). Southwestern Naturalist 2: 38-43.
–––. 1962a. Calamintha (Labiatae) in the southern United States. Sida 1: 69-75.
–––. 1962b. Synopsis of Collinsonia (Labiatae). Sida 1: 76-83.
–––. 1962c. Drosera (Droseraceae) in the southeastern United States: an interim report. Sida 1: 53-59.
–––. 1962d. Synopsis of United States Bonamia, including Breweria and Stylisma (Convolvulaceae). Castanea 27: 65-77.
–––. 1962e. Vegetative key to woody Labiatae of the southeastern Coastal Plain. Sida 1: 92-93.
–––. 1962f. Micromeria brownei and its allies. Sida 1: 94-97.
–––. 1962g. Synopsis of Conradina. Sida 1: 84-88.
–––. 1971. Kuhnia L. transferred to Brickellia Ell. (Compositae). Sida 4: 274.
Shinwari, Z.K., R. Terauchi, F.H. Utech, and S. Kawano. 1994. Recognition of the New World Disporum section Prosartes as
Prosartes (Liliaceae) based on the sequence data of the rbcL gene. Taxon 43: 353-366.
Shulkina, T.V., J.F. Gaskin, and W.M.M. Eddie. 2003. Morphological studies toward an improved classification of
Campanulaceae s. str. Ann. Missouri Bot. Gard. 90: 576-591.
Siedo, S.J. 1999. A taxonomic treatment of Sida sect. Ellipticifoliae (Malvaceae). Lundellia 2: 100-127.
Sieren, D.J. 1981. The taxonomy of the genus Euthamia. Rhodora 83: 551-579.
Silberhorn, G.M. 1998. Invasion of Cuscuta indecora Choisy (Convolvulaceae) in a tidal brackish marsh in Virginia. Castanea
63: 190-191.
Silveus, W.A. 1942. Grasses: classification and description of species of Paspalum and Panicum in the United States.
Published by the author, San Antonio, Texas.
Simmers, R.W., and R. Kral. 1992. A new species of Blephilia (Lamiaceae) from northern Alabama. Rhodora 94: 1-14.
Simpson, B.B,, A. Weeks, D.M. Helfgott, and L.L. Larkin. 2004. Species relationships in Krameria (Krameriaceae) based on
ITS sequences and morphology: implications for character utility and biogeography. Systematic Botany 29: 97-108.
Simpson, M.G. 1983. Pollen ultrastructure of the Haemodoraceae and its taxonomic significance. Grana 22: 79-103.
–––, and W.C. Dickison. 1981. Comparative anatomy of Lachnanthes and Lophiola (Haemodoraceae). Flora 171: 95-113.
Singhurst, J.R., and W.C. Holmes. 2004. Comments on the rediscovery and distribution of Cunila origanoides (Lamiaceae) in
Texas. Sida 21: 1161-1163.
–––, E.L. Keith, and W.C. Holmes. 2005. Three species of vascular plants new to Texas. Phytologia 87: 124-128.
Siripun, K.C., and E.E. Schilling. 2006. Molecular confirmation of the hybrid origin of Eupatorium godfreyanum (Asteraceae).
Amer. J. Bot. 93: 319-325.
Sipple, W.S. 2002. Pine-barren golden-heather (Hudsonia ericoides L.) reported for the first time in Maryland. Bartonia 61:
149-150.
Skeen, J.N., P.D. Doerr, and D.H. Van Lear. 1993. Oak-hickory-pine forests. In W.H. Martin, S.G. Boyce, and A.C.
Echternacht, eds. Biodiversity of the southeastern United States. John Wiley & Sons, New York, NY.
Skinner, M.W., and B.A. Sorrie. 2002. Conservation and ecology of Lilium pyrophilum, a new species of Liliaceae from the
Sandhills region of the Carolinas and Virginia, U.S.A. Novon 12: 94-105.
Škoda, B. 1997. Taxonomic comments on the "Flora of North America north of Mexico," vol. 2, with some nomenclatural
combinations for Pteridophyta. Preslia, Praha 68: 341-359.
Skog, J.T., and N.H. Nickerson. 1972. Variation and speciation in the genus Hudsonia. Ann Mo. Bot. Gard. 59: 454-464.
Skvortsov, A.K. 1979. Taxonomy and distribution of Circaea (Onagraceae) in the U.S.S.R. Ann Mo. Bot. Club 66: 880-892.
Sleumer, H. 1967a. Die Gattung Gaylussacia H.B.K. Botanische Jahrbücher Syst. 86: 309-384.
–––. 1967b. Monographia Clethracearum. Botanische Jahrbücher Syst. 87: 36-175.