Publications

The following is a bibliography of publications dealing with the serpentine barrens. Topics covered include geology, ecology, botany, and history.

Bibliography

Anonymous (1906) “Soldiers’ Delight” — historical reminiscences. Maryland Monthly Magazine 1 (5) : 4-15.
Andersen, Richard H., & Matthews, Earle Dwight. (1973) Soil Survey of Cecil County, Maryland. United States Department of Agriculture, Washington, DC. 119 pp.
Anderson, Robert S. (1971) Butterflies of the serpentine barrens of Pennsylvania. Entomological News 82 (1) : 5-12.
Arabas, Karen Borza. (1996) Fire and vegetation dynamics in the eastern serpentine barrens. Ph.D. thesis. Pennsylvania State University 225 pp.
Arabas, Karen Borza. (2000) Spatial and temporal relationships among fire frequency, vegetation, and soil depth in an eastern North American serpentine barren. Journal of the Torrey Botanical Society 127 (1) : 51-65. DOI: 10.2307/3088747
Ashley, Lois J., Churchill, John B., Florkowski, Lisa N., Engelhardt, Katharina A. M., & Lookingbill, Todd R. (2007) Evaluation of the Nottingham Park Serpentine Barrens, Chester County, Pennsylvania. University of Maryland Center for Environmental Science, Braddock Laboratory, Frostburg, MD. 54 pp.
Barnes, John H., & Smith, Robert C., II. (1989) Geology of Nottingham County Park. Open File Report 98–12 Pennsylvania Bureau of Topographic and Geologic Survey, Harrisburg, Pennsylvania. 48 pp.
Barton, Andrew M., & Wallenstein, Matthew D. (1997) Effects of invasion of Pinus virginiana on soil properties in serpentine barrens in southeastern Pennsylvania. Journal of the Torrey Botanical Society 124 (4) : 297-305. DOI: 10.2307/2997264
Baskin, Jerry M., Fralish, James S., & Anderson, Roger C. (Eds.). (1999) Savannas, Barrens, and Rock Outcrop Plant Communities of North America. Cambridge University Press, New York, NY. 470 pp. ISBN: 9780521035811
Batcher, Michael S. (1993) Site action plan for Goat Hill Serpentine Barrens, Chester County, Pennsylvania. The Nature Conservancy, Philadelphia, PA.
Bauer, Aaron M., & Witwer, Mark. The herpetofauna of Nottingham Park and the Serpentine Barrens of Chester County, Pennsylvania. Bulletin of the Chicago Herpetological Society 30 (1) : 3-9.
Burgess, Jerry L., Lev, Steven, Swan, Christopher M., & Szlavecz, Katalin. (2009) Geologic and edaphic controls on a serpentine forest community. Northeastern Naturalist 16 (5) : 366-384. DOI: 10.1656/045.016.0527
Buttrick, Steve. (1981) Site survey summary — Big Pines serpentine barren, Maryland. Maryland Heritage and Threatened/Endangered Species Project, Annapolis, MD.
Castelli, Jeffrey P. (2001) Negative mycorrhizal feedback and plant species coexistence in a serpentine grassland. Ph.D. thesis. University of Pennsylvania 107 pp.
Castelli, Jeffrey P., & Casper, Brenda B. (2003) Intraspecific AM fungal variation contributes to plant-fungal feedback in a serpentine grassland. Ecology 84 (2) : 323-336. DOI: 10.1890/0012-9658(2003)084[0323:IAFVCT]2.0.CO;2
Chris Athanas, Ph.D. & Associates, Inc. . (2000) Natural heritage plant survey for the lower Greenbriar Branch-Travilah serpentinite area. Maryland-National Capital Park and Planning Commission, Silver Spring, MD. 12 pp.
Cleaves, Emery T., Fisher, Donald W., & Bricker, Owen P., III. (1974) Chemical weathering of serpentinite in the eastern Piedmont of Maryland. Geological Society of America Bulletin 85 (3) : 437-444. DOI: 10.1130/0016-7606(1974)85<437:CWOSIT>2.0.CO;2
Clupper, Nancy S. (1991) Fire histories for Goat Hill, Nottingham and Chrome barrens. The Nature Conservancy, Philadelphia, PA. 19 pp.
Conestoga-Rovers & Associates. (2010) Serpentine Barrens Restoration and Management Plan: Jerrehian Estate—Fern Hill Eastern Serpentine Barren, West Goshen Township, Chester County, Pennsylvania. Jerrehian Partners, Conshohocken, PA. 51 pp.
Cumming, Jonathan R., & Kelly, Charlene N. (2007) Pinus virginiana invasion influences soils and arbuscular mycorrhizae of a serpentine grassland. Journal of the Torrey Botanical Society 134 (1) : 63-73. DOI: 10.3159/1095-5674(2007)134[63:PVIISA]2.0.CO;2
Custer, Boyd H. (1983) Soil survey of Lancaster County, Pennsylvania. U.S. Department of Agriculture Soil Conservation Service, Washington, DC. 152 pp.
Dann, Kevin T. (1988) Traces on the Appalachians: a Natural History of Serpentine in Eastern North America. Rutgers University Press, New Brunswick, NJ. 159 pp. ISBN: 9780813513249
Darlington, William. (1826) Florula Cestrica: an Essay Towards a Catalogue of the Phaenogamous Plants, Native and Naturalized, Growing in the Vicinity of the Borough of West-Chester, in Chester County, Pennsylvania .... Simeon Siegfried, West Chester, PA. 152 pp.
Darlington, William. (1837) Flora Cestrica: an Attempt to Enumerate and Describe the Flowering and Filicoid Plants of Chester County ... Pennsylvania .... Simeon Siegfried, West Chester, PA. 640 pp.
Doherty, Jennifer H. (2009) Niche partitioning among arbuscular mycorrhizal fungi and consequences for host plant performance. Ph.D. thesis. University of Pennsylvania 135 pp.
Dubinsky, Eric. (1995) The interdependence of vegetation type and soil depth in eastern temperate serpentine barrens. B.S. thesis. University of Pennsylvania 12 pp.
Emel, Sarah L., Franks, Steven J., & Spigler, Rachel B. (2017) Phenotypic selection varies with pollination intensity across populations of Sabatia angularis. New Phytologist 215 : 813-824. DOI: 10.1111/nph.14608
Erdman, Kimball Douglas. (1977) National Natural Landmarks evaluation report: Unionville Serpentine Barrens. National Park Service, Philadelphia, PA. 11 pp.
Friedman, Ethan. (1999) Beetle biodiversity in northern Piedmont serpentine barrens. Honors thesis. Swarthmore College 37 pp.
Gates, Alexander E. (1991) Shear zone control on mineral deposits in the State-line serpentinite, Pennsylvania Piedmont. Ore Geology Reviews 6 (2-3) : 171-184. DOI: 10.1016/0169-1368(91)90020-8
Gordon, Robert Benson. (1963) Soils and vegetation of the Unionville Serpentine outcrop. Academy of Natural Sciences, Philadelphia, PA. 2 pp.
Gordon, Robert Benson. (1979) Serpentine barrens in Chester County, Pennsylvania. West Chester State College, West Chester, PA. 6 pp.
Gordon, Samuel G. (1921) The chromite deposits of the State Line serpentines. Proceedings of the Academy of Natural Sciences of Philadelphia 73 (3) : 449-454.
Gustafson, Danny J., & Latham, Roger Earl. (2005) Is the serpentine aster, Symphyotrichum depauperatum (Fern.) Nesom, a valid species and actually endemic to eastern serpentine barrens?. Biodiversity and Conservation 14 : 1445-1452. DOI: 10.1007/s10531-004-9670-x
Gustafson, Danny J., Romano, Gabriela, Latham, Roger Earl, & Morton, John Kenneth. (2003) Amplified fragment length polymorphism analysis of genetic relationships among the serpentine barrens endemic Cerastium velutinum Rafinesque var. villosissimum Pennell (Caryophyllaceae) and closely related Cerastium species. Journal of the Torrey Botanical Society 130 (3) : 218-223. DOI: 10.2307/3557556
Haegele, Elizabeth. (2011) Unionville Serpentine Barrens: analyzing the relationship between soil profiles and forest succession rate. MES thesis. University of Pennsylvania 73 pp.
Harris, Fred S., & Martin, Craig Edwin. (1991) Plasticity in the degree of CAM-cycling and its relationship to drought stress in five species of Talinum (Portulacaeae). Oecologia 86 : 575-584. DOI: 10.1007/BF00318325
Harshberger, John William. (1903) The flora of the serpentine barrens of southeast Pennsylvania. Science 18 (454) : 339-343. DOI: 10.1126/science.18.454.339
Harshberger, John William. (1904) A phytogeographical sketch of southeast Pennsylvania. Bulletin of the Torrey Botanical Club 31 (3) : 125-129. DOI: 10.2307/2478626
Hart, Robin L. (1980) The coexistence of weeds and restricted native plants on serpentine barrens in southeastern Pennsylvania. Ecology 61 (3) : 688-701. DOI: 10.2307/1937434
Hart, Robin L. (1990) Aster depauperatus: a midwestern migrant on eastern serpentine barrens?. Bartonia 56 : 23-28.
Hayden, Horace H. (1833) Description of the Bare Hills near Baltimore. American Journal of Science 24 (2) : 349-360.
Hewitt, David. (2000) Exchangeable calcium and magnesium levels in Allegheny mound-ant (Formica exsectoides F., Hymenoptera: Formicidae) anthills on Pink Hill, a serpentine barrens in Tyler Arboretum, Delaware County, Pennsylvania. Academy of Natural Sciences of Pennsylvania, Philadelphia, PA.
Heyl, Allen Van, Jr., & Pearre, Nancy C. (1959) The history of chromite mining in Pennsylvania and Maryland. Pennsylvania Geological Survey, Harrisburg, Pennsylvania. 23 pp.
Heyl, Allen Van, Jr., & Pearre, Nancy C. (1960) Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware. Geological Survey Bulletin United States Geological Survey, Washington, D.C..
Hilgartner, William B., Nejako, Mark, & Casey, Ryan E. (2009) A 200-year paleoecological record of Pinus virginiana, trace metals, sedimentation and mining disturbance in a Maryland serpentine barren. Journal of the Torrey Botanical Society 136 (2) : 257-271. DOI: 10.3159/08-RA-088.1
Hull, James C., & Wood, Sarah G. (1984) Water relations of oak species on and adjacent to a Maryland serpentine soil. American Midland Naturalist 112 (2) : 224-234. DOI: 10.2307/2425429
Ji, Baoming, Bentivenga, Stephen P., & Casper, Brenda B. (2010) Evidence for ecological matching of whole AM fungal communities to the local plant–soil environment. Ecology 91 : 3037-3046. DOI: 10.1890/09-1451.1
Johannsen, Albert. (1928) The serpentines of Harford County, Maryland. Maryland Geological Survey v. 12 Johns Hopkins Press, Baltimore, MD.
Johnson, Steve, & Smith, Samuel R. (2004) Checklist of the moths of the Goat Hill, Rock Springs and New Texas serpentine barrens. The Nature Conservancy, Harrisburg, Pennsylvania. 64 pp.
Jones, Almut G. (1984) Nomenclatural notes on Aster (Asteraceae) — II. New combinations and some transfers.. Phytologia 55 : 373-388.
Jones, Harry G. (1956) Notes on the distribution of red cedar trees of the serpentine barrens. Proceedings of the Pennsylvania Academy of Science 30 : 99-101.
Knox, Robert G. (1984) Age structure of forests on Soldiers Delight, a Maryland serpentine area. Bulletin of the Torrey Botanical Club 111 (4) : 498-501. DOI: 10.2307/2995902
Kunkle, W. Merrill. (1963) Soil surveys of Chester and Delaware Counties, Pennsylvania. U.S. Department of Agriculture Soil Conservation Service, Washington, DC. 124 pp.
Kuntzleman, Nancy. (1982) Floral inventory of the Goat Hill serpentine barren. 8 pp.
Lapham, Davis M. (1958) Preliminary Report on the Chromite Occurrence at the Wood Mine, Pennsylvania. Progress Report 153 Pennsylvania Topographic and Geologic Survey, Harrisburg, PA. 11 pp.
Latham, Roger Earl. (1983) Northern Piedmont serpentine barrens as inland “islands”: a test of the equilibrium theory of island biogeography. BA thesis. Swarthmore College 44 pp.
Latham, Roger Earl. (1983) Are the Piedmont serpentine barrens fire dependent communities? — a comparison of fire and serpentine soil adaptations and a review of the evidence for fire facilitation in plants. BA thesis. Swarthmore College 34 pp.
Latham, Roger Earl. (1983) Plants identified on 73 visits to 32 serpentine sites in Pennsylvania and Delaware, 1982-83. 10 pp.
Latham, Roger Earl. (1984) National Natural Landmarks review form: Unionville Serpentine Barrens, Chester County, Pennsylvania. National Park Service, Philadelphia, PA. 8 pp.
Latham, Roger Earl. (1992) Draft element stewardship abstract: temperate eastern North American serpentine barrens. Biological Conservation Database The Nature Conservancy, Arlington, VA.
Latham, Roger Earl. (1993) The serpentine barrens of temperate eastern North America: critical issues in the management of rare species and communities. Bartonia 57 (Supplement) : 61-74.
Latham, Roger Earl. (1993) Vegetation response to prescribed burning on a serpentine barren (Pilot Barrens, Maryland): preliminary results. The Nature Conservancy, Arlington, VA.
Latham, Roger Earl. (2000) Preliminary reserve design for Sugartown Serpentine Barrens. Natural Lands Trust, Media, PA. 3 pp.
Latham, Roger Earl. (2005) Inventory of historical and extant, native, persistent, unplanted grasslands and meadows in Pennsylvania. Natural Lands Trust, Media, PA.
Latham, Roger Earl. (2005) Protecting the Unionville Barrens: Biological, Historical and Value Considerations. Environmental Management Center, Brandywine Conservancy, Chadds Ford, PA. 30 pp.
Latham, Roger Earl. (2008) Pink Hill Serpentine Barrens Restoration and Management Plan. John J. Tyler Arboretum, Media, PA. 87 pp.
Latham, Roger Earl. (2016) Unionville Serpentine Barrens Restoration and Management Plan: 2016– 2020 Update. Natural Lands Trust, Media, PA. 59 pp.
Latham, Roger Earl. (Ed.). (2007) Vascular plant species in Nottingham County Park. 13 pp.
Laughlin, Daniel C. (2004) Did tallgrass prairie extend into Pennsylvania?. The Prairie Naturalist 36 (1) : 11-22.
Ludwig, J. Christopher. (1985) Natural community survey form — Robert E. Lee Park, Maryland, 7 June 1985. Maryland Heritage and Threatened/Endangered Species Project, Annapolis, MD.
Ludwig, J. Christopher. (1988) Rare species form — Gentianopsis crinita, Robert E. Lee Park, Maryland, 13 October 1988. Maryland Heritage and Threatened/Endangered Species Project, Annapolis, MD.
MacLachlan, Colin A. (1994) Nottingham County Park: the restoration and management of a temperate eastern serpentine barrens. MLA thesis. University of Georgia 149 pp.
Mansberg, Laura, & Wentworth, Thomas R. (1984) Vegetation and soils of a serpentine barren in western North Carolina. Bulletin of the Torrey Botanical Club 111 (3) : 273-286. DOI: 10.2307/2995909
Marx, Elizabeth. (2007) Vegetation dynamics of the Buck Creek serpentine barrens, Clay County, North Carolina. BS (honors) thesis. University of North Carolina, Chapel Hill 46 pp.
Marye, William Bose. (1920) The old Indian road – Part I. Maryland Historical Magazine 15 (2) : 107-124.
Marye, William Bose. (1920) The old Indian road – Part II. Maryland Historical Magazine 15 (3) : 208-229.
Marye, William Bose. (1920) The old Indian road – Part III. Maryland Historical Magazine 15 (4) : 345-395.
Marye, William Bose. (1955) The great Maryland barrens – Part I. Maryland Historical Magazine 50 (1) : 11-23.
Marye, William Bose. (1955) The great Maryland barrens – Part II. Maryland Historical Magazine 50 (2) : 120-142.
Marye, William Bose. (1955) The great Maryland barrens – Part III. Maryland Historical Magazine 50 (3) : 234-253.
McCandless, Susannah. (1998) Invasive Smilax rotundifolia associated with changes in serpentine soil syndrome. BA (honors) thesis. Swarthmore College 32 pp.
McGeehin, Mike, & Latham, Roger Earl. (2012) Unionville Serpentine Barrens Restoration and Management Plan. Natural Lands Trust, Media, PA. 157 pp.
McKinstry, Hugh Exton. (1916) The minerals of Brinton’s Quarry, Chester County, Pa. American Mineralogist 1 : 57-62.
McKinstry, Hugh Exton. (1921) The Unionville, Pennsylvania, corundum mines. American Mineralogist 9 : 135-137.
Miller, Gary L. (1965) The vegetation of the serpentine barrens in southern Lancaster County, Pennsylvania. MS thesis. University of North Carolina, Chapel Hill 61 pp.
Miller, Gary L. (1977) An ecological study of the serpentine barrens in Lancaster County, Pennsylvania. Proceedings of the Pennsylvania Academy of Science 51 : 169-176.
Miller, Gary L. (1981) Secondary succession following fire on a serpentine barren. Proceedings of the Pennsylvania Academy of Science 55 : 62-64.
Murdy, William H., & Carter, M. Eloise Brown. (1985) Electrophoretic study of the allopolyploidal origin of Talinum teretifolium and the specific status of T. appalachianum (Portulacaceae). American Journal of Botany 72 (10) : 1590-1597. DOI: 10.1002/j.1537-2197.1985.tb08422.x
Newcomb, Sally. (1994) A history of chromite and copper in Maryland: the Tyson years. Matrix 3 : 84-92.
Northeimer, Wesley. (1955) Orthoptera of the serpentine barrens in Chester County, Pa. Proceedings of the Pennsylvania Academy of Science 29 : 255-257.
Paris, Cathy A., & Windham, Michael D. (1988) A biosystematic investigation of the Adiantum pedatum complex in eastern North America. Systematic Botany 13 (2) : 240-255. DOI: 10.2307/2419103
Pennell, Francis Whittier. (1910) Flora of the Conowingo Barrens of southeastern Pennsylvania. Proceedings of the Academy of Natural Sciences of Philadelphia 62 (3) : 541-584.
Pennell, Francis Whittier. (1912) Further notes on the flora of the Conowingo or serpentine barrens of southeastern Pennsylvania. Proceedings of the Academy of Natural Sciences of Philadelphia 64 : 520-539.
Pennell, Francis Whittier. (1930) On some critical species of the serpentine barrens. Bartonia 12 : 1-23.
Podniesinski, Greg, Davis, Anthony F., Latham, Roger Earl, & Furedi, Mary Ann. (2008) Management Plan for Goat Hill Wild Plant Sanctuary. Pennsylvania Department of Conservation and Natural Resources, Harrisburg, PA. 49 pp.
Rabenhorst, Martin C., Foss, John E., & Fanning, Delvin S. (1982) Genesis of Maryland soils formed from serpentine. Soil Science Society of America Journal 46 (3) : 607-616. DOI: 10.2136/sssaj1982.03615995004600030032x
Rawlins, John E., Bier, Charles W., Davis, Anthony F., Thompson, Sue A., Androw, Robert A., Davidson, Robert L., & Young, Chen W. (2002) Spatial and temporal patterns of occurrence for selected invertebrate lineages and their association with vascular plants in barrens and related habitat types in Pennsylvania. Wild Resource Conservation Program, Pennsylvania Department of Conservation and Natural Resources, Harrisburg, Pennsylvania.
Reed, Clyde Franklin. (1986) Floras of the Serpentinite Formations in Eastern North America, with Descriptions of Geomorphology and Mineralogy of the Formations. Clyde F. Reed, Baltimore, Maryland. 858 pp.
Reifsnyder, Carol H. (1969) The serpentine barrens of Chester County. Chester County Department of Parks and Recreation, West Chester, Pennsylvania. 27 pp.
Rice, Anne Louise, Swan, John, Vosburgh, Merle, Sinclair, Eleanor, Stule, Bill, Dean, Bill, & MacDowell, Susan. (2002) The History of the Quarry. Quarry Swimming Association, West Chester, PA. 56 pp.
Rune, Olaf. (1953) Plant Life on Serpentines and Related Rocks in the North of Sweden. Acta Phytogeographica Suecica 31 Almqvist & Wiksells Boktryckeri, Uppsala, Sweden. 135 pp.
Schedlbauer, Jessica L., & Pistoia, Veronica L. (2013) Water relations of an encroaching vine and two dominant C4 grasses in the serpentine barrens of southeastern Pennsylvania. Journal of the Torrey Botanical Society 140 (4) : 493-505. DOI: 10.3159/TORREY-D-13-00010.1
Semple, John C., & Chmielewski, Jerry G. (1985) The cytogeography of Aster pilosus (Compositae- Asteraceae). II. Survey of the range, with notes on A. depauperatus, A. parviceps and A. porteri.. 87 (851) : 367-379.
Sheldon, Joseph K., Harrington, Curtis A., Edwards, Lance S., & Swartzentruber, Peter L. (1999) A survey of the seasonal and spatial distribution of the Orthoptera: Acrididae, Tetrigidae, and Tridactylidae of Goat Hill and Nottingham serpentine barrens, Chester County, Pennsylvania with a note on Acrididae from Pink Hill Barren. Journal of the Pennsylvania Academy of Science 73 (2) : 51-56.
Sladky, Roberta J. (1981) The interpretation and management of Pink Hill — a serpentine barren. MS thesis. University of Delaware 58 pp.
Smith, Richard H., Jr. (1981) The butterflies of Soldiers Delight, Baltimore County, Maryland. Maryland Entomologist 2 (1) : 16-18.
Smith, Robert C., II, & Barnes, John H. (2008) Bedrock composition of the Goat Hill serpentine barrens and a proposed serpentine factor for predicting floral response. Journal of the Pennsylvania Academy of Science 82 (1) : 31-47.
Smith, Robert C., II, & Barnes, John H. (2008) Geology of the Goat Hill serpentine barrens, Baltimore mafic complex, Pennsylvania. Journal of the Pennsylvania Academy of Science 82 (1) : 19-30.
Steckel, David B., Martin, W., & Groff, Darin W. (2000) Willisbrook Barrens site fire management plan. Natural Lands Trust, Media, PA. 25 pp.
Steiner, Warren E., Jr. (1989) Letter to F. Bishop, 7 February 1989. Maryland Heritage and Threatened/Endangered Species Project, Annapolis, Maryland.
Stone, Hugh Exton. (1945) A Flora of Chester County, Pennsylvania. Academy of Natural Sciences, Philadelphia, Pennsylvania. 2 vols., 1,470 pp.
Terlizzi, Daniel E., Jr., & Karlander, Edward P. (1979) Soil algae from a Maryland serpentine formation. Soil Biology and Biochemistry 11 (2) : 205-207. DOI: 10.1016/0038-0717(79)90102-0
Thorne, James F., & Latham, Roger Earl. (1996) An experimental investigation of successional pathways and grassland restoration methods on an eastern serpentine barren. The Nature Conservancy, Arlington, VA.
Turner, Thomas L., von Wettberg, Eric J., & Nuzhdin, Sergey V. (2008) Genomic analysis of differentiation between soil types reveals candidate genes for local adaptation in Arabidopsis lyrata. PLoS One 3 (9) : e3183. DOI: 10.1371/journal.pone.0003183
Tyndall, R. Wayne, & Farr, Patricia M. (1989) Vegetation structure and flora of a serpentine pinecedar savanna in Maryland. Castanea 54 (3) : 191-199.
Tyndall, R. Wayne, & Farr, Patricia M. (1990) Vegetation structure and flora of the Pilot serpentine area in Maryland. Castanea 55 (4) : 259-265.
Tyndall, R. Wayne, & Hull, James C. Vegetation, flora, and plant physiological ecology of serpentine barrens of eastern North America. : 67-82.
Tyndall, R. Wayne. (1992) Historical considerations of conifer expansion in Maryland serpentine “barrens.”. Castanea 57 (2) : 123-131.
Tyndall, R. Wayne. (1992) Herbaceous layer vegetation on Maryland serpentine. Castanea 57 (4) : 264-272.
Tyndall, R. Wayne. (1994) Conifer clearing and prescribed burning effects to herbaceous layer vegetation on a Maryland serpentine “barrens.”. Castanea 59 (3) : 255-273.
Tyndall, R. Wayne. (2005) Twelve years of herbaceous vegetation change in oak savanna habitat on a Maryland serpentine barren after Virginia pine removal. Castanea 70 (4) : 287-297.
Tyndall, R. Wayne. (2012) Soil differences between extant serpentine oak savanna and grassland in Soldiers Delight Natural Environment Area, Maryland. Castanea 77 (3) : 224-230.
Vanderwerff, William D. The flora of Nottingham County Park. Chester County, Pennsylvania. 28 pp.
Wagner, Mary Emma, & Srogi, LeeAnn. (1987) Early Paleozoic metamorphism at two crustal levels and a tectonic model for the Pennsylvania-Delaware Piedmont. Geological Society of America Bulletin 99 (1) : 113-126. DOI: 10.1130/0016-7606(1987)99<113:EPMATC>2.0.CO;2
Wallenstein, Matthew D. (1995) Soil amelioration by Pinus virginiana during forest conversion on the New Texas serpentine barrens of Pennsylvania. BA thesis. Franklin & Marshall College
Ward, H. Henry, & Custer, Jay F. (1988) Steatite quarries of northeastern Maryland and southeastern Pennsylvania: an analysis of quarrying technology. Pennsylvania Archaeologist 58 (2) : 33-49.
Warny, Peter R. (1985) A preliminary herpetological survey in the serpentine barrens of Chester County, Pennsylvania. Bulletin of the Chicago Herpetological Society 201 (1) : 23-34.
Waters, Earl C., Jr. (1950) The flora of the serpentine barrens.
Wennerstrom, Jack. (1995) Soldiers Delight Journal. University of Pittsburgh Press, Pittsburgh, Pennsylvania. 247 pp. ISBN: 0822955504
Werner, Kristen L. (2009) Fertile lessons from hostile land. Natural Lands 137 : 3-4.
Western Pennsylvania Conservancy, & The Nature Conservancy. (1998) A study of seepage wetlands in Pennsylvania. Pennsylvania Department of Conservation and Natural Resources, Harrisburg, Pennsylvania. 126 pp.
Wheeler, Alfred G., Jr. (1988) Diabrotica cristata, a chrysomelid (Coleoptera) of relict midwestern prairies discovered in eastern serpentine barrens. Entomological News 99 (3) : 134-142.
Wheeler, Alfred G., Jr. (1995) Plant bugs (Heteroptera: Miridae) of Phlox subulata and other narrow-leaved phloxes in eastern United States. Proceedings of the Entomological Society of Washington 97 (2) : 435-451.
Wherry, Edgar Theodore, & Arndt, Harold W. A geological account of the Unionville Serpentine (Corundum Hill region). Herbarium of the Academy of Natural Sciences, Philadelphia, Pennsylvania. 1 p.
Wherry, Edgar Theodore. (1964) Some Pennsylvania barrens and their flora. I. Serpentine. Bartonia 33 : 7-11.
Wherry, Edgar Theodore. (1970) Letter of February 4, 1970, to Robin Hart at West Chester State College. 1 p.
Wherry, Edgar Theodore. (1978) The ferns of the county line serpentinite dike. Bartonia 45 : 4.
Wiegand, Richard Harrison. (1988) Site survey summary — Octoraro Slopes, Maryland, 16 June 1988 and 5 October 1988. Maryland Heritage and Threatened/Endangered Species Project, Annapolis, Maryland.
Worthley, Elmer G. (1966) A partial list of the siphonogams found in and near Soldiers Delight.

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