Alexander Krings

Krings, A., & Cabell, H. (2022). Distinguishing Saplings of Pines of Piedmont Upland Grassland Systems. CASTANEA, 87(2), 211–223. https://doi.org/10.2179/0008-7475.87.2.211

Krings, A., Szakacs, A. D., & Hyland, E. G. (2022). Remnants of the "Grande Savane?" Insights from Soil Organic Matter at Two Sites in the Deep River Triassic Basin of North Carolina. CASTANEA, 87(2), 244–267. https://doi.org/10.2179/0008-7475.87.2.244

Lindelof, K., & Krings, A. (2021). Scientific Note: Capsule-Seed Allometric Relationships in Ludwigia ravenii (Onagraceae), a Critically Imperiled Wetland-Obligate. CASTANEA, 86(2), 278–282. https://doi.org/10.2179/0008-7475.86.2.278

Krings, A., Jordan, C., Culatta, K., Szakacs, A., & Wilson, G. (2020). Annual Signature in the Taproots of Echinacea laevigata and E. pallida (Asteraceae, Heliantheae). CASTANEA, 85(1), 199–204. https://doi.org/10.2179/0008-7475.85.1.199

Krings, A. (2020). Distinguishing Seedlings of Pines of Piedmont Upland Grassland Systems. CASTANEA, 85(1), 33–41. https://doi.org/10.2179/0008-7475.85.1.33

Haynes, J. E., Phillips, W. D., Krings, A., Lynch, N. P., & Ranney, T. G. (2020). Revision of Fothergilla (Hamamelidaceae), including resurrection of F. parvifolia and a new species, F. milleri. PHYTOKEYS, (144), 57–80. https://doi.org/10.3897/phytokeys.177.49589

Haynes, J. E., Phillips, W. D., Krings, A., Lynch, N. P., & Ranney, T. G. (2020, May 8). Revision of Fothergilla (Hamamelidaceae), including resurrection of F. parvifolia and a new species, F. milleri (vol 144, pg 57, 2020). PHYTOKEYS, pp. 117–118. https://doi.org/10.3897/phytokeys.146.53037

Smith, S., & Krings, A. (2018). Euphorbia heterophylla (Euphorbiaceae) in South Carolina, North Carolina, and Virginia, U.S.A. Journal of the Botanical Research Institute of Texas, 12(1), 369–372.

Krings, A., Newton, S., & Liles, N. P., Jr. (2017). Hydrocotyle bowlesioides (Araliaceae): New to the Flora of North Carolina. Castanea, 82(1), 47–47. https://doi.org/10.2179/16-109

Touchell, D. H., Ranney, T. G., Panthee, D. R., Gehl, R. J., & Krings, A. (2016). Genetic diversity, cytogenetics, and biomass yields among taxa of giant reeds (Arundo species). Journal of the American Society for Horticultural Science, 141(3), 256–263.

Krings, A., Howell, N., & Braham, R. (2016). Guide to the littoral zone vascular flora of Carolina bay lakes (U.S.A.). Biodiversity Data Journal, 4, e7964–1. https://doi.org/10.3897/BDJ.4.e7964

Clark, R. K., Krings, A., Stucky, J. M., & Kleiss, H. J. (2016). Guide to the vascular flora of Kitty Hawk Woods (Dare County, North Carolina, U.S.A.). Fort Worth, Texas: Botanical Research Institute of Texas Press.

Krings, A., & Morillo, G. (2015). A New Species in the Matelea palustris Complex (Apocynaceae, Asclepiadeae) and a Synopsis of the Complex in the Guianas and Northern Brazil. SYSTEMATIC BOTANY, 40(1), 214–219. https://doi.org/10.1600/036364415x686521

Hines, K. M., Krings, A., & Stucky, J. M. (2015). Guide to the vascular flora of Howell Woods (Johnston County, North Carolina, U.S.A.). Ft. Worth, Texas: Botanical Research Institute of Texas Press.

Morillo, G., & Krings, A. (2014). A new species and a new combination in Phaeostemma (Apocynaceae, Asclepiadoideae, Gonolobinae). PHYTOKEYS, 33, 41–50. https://doi.org/10.3897/phytokeys.33.6453

Unks, R. R., Shear, T. H., Krings, A., & Braham, R. R. (2014). Environmental Controls of Reproduction and Early Growth of Lindera melissifolia (Lauraceae). CASTANEA, 79(4), 266–277. https://doi.org/10.2179/14-034

Thornhill, R., Krings, A., Lindbo, D., & Stucky, J. (2014). Guide to the Vascular Flora of the Savannas and Flatwoods of Shaken Creek Preserve and Vicinity (Pender & Onslow Counties, North Carolina, U.S.A.). Biodiversity Data Journal, 2, e1099. https://doi.org/10.3897/BDJ.2.e1099

Porter, K. M., DePerno, C. S., Krings, A., Krachey, M., & Braham, R. (2014). Vegetative Impact of Feral Horses, Feral Pigs, and White-tailed Deer on the Currituck National Wildlife Refuge, North Carolina. CASTANEA, 79(1), 8–17. https://doi.org/10.2179/13-037

Krings, A., & Axelrod, F. S. (2013). Gonolobus aloiensis (Apocynaceae, Asclepiadoideae), a New Species from St. Eustatius. SYSTEMATIC BOTANY, 38(4), 1132–1137. https://doi.org/10.1600/036364413x674904

Krings, A., & Morillo, G. (2013). Gonolobus murphyae (Apocynaceae), A New Species from Montane Colombia. SYSTEMATIC BOTANY, 38(4), 1138–1141. https://doi.org/10.1600/036364413x674931

Thornhill, R. W., & Krings, A. (2012). Discovery of Hydrocotyle bowlesioides (Araliaceae) in Louisiana. Journal of the Botanical Research Institute of Texas, 6(1), 283–285.

Krings, A. (2012). Matelea gilbertoana (Apocynaceae), a New Species from Venezuela. SYSTEMATIC BOTANY, 37(4), 989–991. https://doi.org/10.1600/036364412x656473

Krings, A., & Morillo, G. (2012). Matelea sanojana (Apocynaceae, Asclepiadoideae), a new species in the Matelea squiresii complex from Venezuela. Systematic Botany, 37(4), 992–994. https://doi.org/10.1600/036364412x656572

Krings, A., & Morillo, G. (2012). Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) from the Guiana Shield and Amazonian Brazil. PhytoKeys, 17(0), 27–39. https://doi.org/10.3897/phytokeys.17.3485

Krings, A. (2011). Matelea pakaraimensis (Apocynaceae, Asclepiadoideae), a new species in the Matelea stenopetala complex from Guyana. Journal of the Botanical Research Institute of Texas, 5(1), 101–104.

Krings, A. (2011). Matelea s. l. (Apocynaceae, Asclepiadoideae) in the West Indies. Systematic Botany, 36(3), 730–756. https://doi.org/10.1600/036364411x583691

Post, A. R., Ali, R., Krings, A., Xiang, J., Sosinski, B. R., & Neal, J. C. (2011). On the Identity of the Weedy Bittercresses (Cardamine: Brassicaceae) in United States Nurseries: Evidence from Molecules and Morphology. WEED SCIENCE, 59(1), 123–135. https://doi.org/10.1614/ws-d-10-00063.1

Krings, A. (2011). Pistacia chinensis (Anacardiaceae) naturalized in North Carolina, U.S.A. Journal of the Botanical Research Institute of Texas, 5(2), 867–869.

Krings, A. (2011). Synopsis of Matelea s.l. (Apocynaceae, Asclepiadoideae) in Trinidad, Tobago, and the ABC Islands. Journal of the Botanical Research Institute of Texas, 5(2), 475–483.

Krings, A. (2010). Manual of the vascular flora of Nags Head Woods, Outer Banks, North Carolina. New York: New York Botanical Garden Press.

Krings, A. (2009). A New Species in the Ibatia Species Complex in Matelea s. l. (Apocynaceae: Asclepiadoideae: Asclepiadeae) from Colombia. SYSTEMATIC BOTANY, 34(2), 429–433. https://doi.org/10.1600/036364409788606280

Fisk, C., & Krings, A. (2009). Clarification of the typification of Michaux names in eastern North American Vitis (Vitaceae). Journal of the Botanical Research Institute of Texas, 3(2), 739–740.

Post, A. R., Krings, A., Wall, W. A., & Neal, J. C. (2009). Introduced lesser celandine (Ranunculus ficaria, Ranunculaceae) and its putative subspecies in the United States: A morphometric analysis. Journal of the Botanical Research Institute of Texas, 3(1), 193–209.

Post, A. R., Krings, A., Xiang, Q.-Y., Sosinski, B. R., & Neal, J. C. (2009). Lectotypification of Cardamine flexuosa (Brassicaceae). Journal of the Botanical Research Institute of Texas, 3(1), 227–230.

Post, A. R., Neal, J. C., Krings, A., Sosinski, B. R., & Xiang, Q. (2009). New Zealand Bittercress (Cardamine corymbosa; Brassicaceae): New to the United States. WEED TECHNOLOGY, 23(4), 604–607. https://doi.org/10.1614/WT-09-017.1

Krings, A. (2009). Synopsis of Gonolobus s.s. (Apocynaceae, Asclepiadoideae) in Trinidad and Tobago. Journal of the Botanical Research Institute of Texas, 3, 77–83.

Krings, A. (2008). Index of names and types in West Indian Gonolobinae (Apocynaceae, Asclepiadoideae), including fourteen new lectotypifications, one neotypification, and a new combination. Journal of the Botanical Research Institute of Texas, 2(1), 139–163.

Krings, A., Thomas, D. T., & Xiang, Q.-Y. (2008). On the Generic Circumscription of Gonolobus (Apocynaceae, Asclepiadoideae): Evidence from Molecules and Morphology. Systematic Botany, 33(2), 403–415. https://doi.org/10.1600/036364408784571527

Krings, A. (2008). Revision of Gonolobus s.s. (Apocynaceae, Asclepiadoideae) in the West Indies. Journal of the Botanical Research Institute of Texas, 2(1), 95–138.

Krings, A. (2008). Synopsis of Gonolobus S. L. (Apocynaceae, Asclepiadoideae) in the United States and its Territories, Including Lectotypification of Lachnostoma Arizonicum. Harvard Papers in Botany, 13(2), 209–218. https://doi.org/10.3100/1043-4534-13.2.209

Krings, A. (2007). Novelties in Gonolobus (Apocynaceae : Asclepiadoideae) from the lesser antilles. SYSTEMATIC BOTANY, 32(1), 180–194. https://doi.org/10.1600/036364407780360247

Krings, A., & Saville, A. C. (2007). Two new species and three lectotypifications in the Ibatia-Matelea complex (Apocynaceae : Asclepiadoideae) from northern South America. SYSTEMATIC BOTANY, 32(4), 862–871. https://doi.org/10.1600/036364407783390809

Krings, A., & Richardson, R. J. (2006). Cayratia japonica (Vitaceae) new to North Carolina and an updated key to the genera of Vitaceae in the Carolinas. Sida, 22(1), 813–815.

Krings, A. (2006). Distribution and phenology of Gonolobus suberosus (Apocynaceae, Asclepiadoideae) and its varieties in North America. Vulpia, 5, 24–40.

Krings, A. (2006). Four novelties and a lectotypification in Matelea (Apocynaceae, Asclepiadoideae) from Hispaniola. Sida, 22(2), 941–953.

Krings, A., & Fantz, P. R. (2006). Notes on types in Apocynaceae – Asclepiadoideae in Cuban herbaria and four lectotypifications in West Indian Gonolobinae. Sida, 22(1), 533–537.

Krings, A. (2005). A new combination in Matelea (Apocynaceae - Asclepiadoideae) for an endemic Jamaican vine. SIDA, Contributions To Botany, 21, 1515–1517.

Krings, A. (2005). A new species of Matelea (Apocynaceae - Asclepiadoideae) from Hispaniola. SIDA, Contributions To Botany, 21, 1519–1523.

Krings, A., Harris, A. J., Inman, F. M., Lee, E., & Richardson, A. R. (2005). An annotated catalogue of the Bertram Whittier Wells Big Savannah (Pender Co., North Carolina) collections in the North Carolina State University Herbarium. Vulpia, 4, 52–67.

Krings, A. (2005). Guide to tendrillate climbers of Costa Rican mountains. Ames, Iowa: Blackwell Pub. Professional.

Krings, A. (2005). Lectotypification and a new combination in Matelea (Apocynaceae - Asclepiadoideae) for an endemic Hispaniolan vine. SIDA, Contributions To Botany, 21, 2081–2085.

Krings, A., Areces Berazain, F., & Lazcano Lara, J. C. (2005). New and rediscovered milkweeds from Cuba: Calotropis gigantea and Gonolobus stephanotrichus (Apocynaceae - Asclepiadoideae). Willdenowia, 35(2), 315–318. https://doi.org/10.3372/wi.35.35213

Krings, A. (2005). Notes on the Matelea bayatensis-correllii-tigrina complex (Apocynaceae - Asclepiadoideae - Gonolobinae) in the Greater Antilles and Bahamas. SIDA, Contributions To Botany, 21, 1525–1533.

Krings, A., Weakley, A. S., Neal, J. C., & Swab, E. C. (2005). Ranunculus ficaria (Ranunculaceae) new to North Carolina and an updated key to Carolina congeners. SIDA, Contributions To Botany, 21, 2429–2437.

Krings, A., & Xiang, Q.-Y. (2005). Taxonomy of the Gonolobus complex (Apocynaceae - Asclepiadoideae) in the southeastern US: ISSR evidence and parsimony analysis. Harvard Papers in Botany, 10, 147–159. https://doi.org/10.3100/1043-4534(2005)10[147:totgca]2.0.co;2

Krings, A. (2005). The flora of Nags Head Woods and the Outer Banks of North Carolina: Additions and corrections. Journal of the North Carolina Academy of Science, 121, 111–116.

Krings, A. (2005). Typification of Ceropegia palustris Pursh and Lyonia maritima Elliott (Apocynaceae, Asclepiadoideae). SIDA, Contributions To Botany, 21, 1507–1513.

Krings, A. (2004). Abaxial foliar vestiture of Desmodium Desv. (Fabaceae) in North Carolina and vegetative recognition of the species. Vulpia, 3, 140–172.

Krings, A., & Franklin, C. (2004). An annotated, preliminary checklist of the vascular flora of Camp Butner, North Carolina. SIDA, Contributions To Botany, 21, 1131–1139.

Krings, A., & Xiang, Q.-Y. (2004). The Gonolobus complex (Apocynaceae - Asclepiadoideae) in the southeastern United States. SIDA, Contributions To Botany, 21, 103–116.

Krings, A. (2003). Common grasses of the Carolinas. Raleigh, NC: Applied Taxonomic Solutions.

Krings, A. (2003). Contributions to the flora of Nags Head Woods, I: Key to the trees and shrubs. Vulpia, 2, 1–14.

Krings, A. (2003). Contributions to the flora of Nags Head Woods, II: Key to the vines. Vulpia, 2, 15–22.

Krings, A. (2003). Exsiccatae of Carolina Richardia (Rubiaceae) studied in an analysis of floral variation. Vulpia, 2, 77–80.

Krings, A. (2003). Identifying grasses, sedges, and rushes. Raleigh, NC: Applied Taxonomic Solutions.

Krings, A. (2003). Typification and nomenclatural history of Trachelospermum difforme (Apocynaceae). SIDA, Contributions To Botany, 20, 1641–1644.

Krings, A., & Kruger, M. H. (2003). Wetland rushes of the Southeast. Raleigh, NC: Applied Taxonomic Solutions.

Krings, A. (2003). Wetland vines of the Carolinas. Raleigh, NC: Applied Taxonomic Solutions.

Krings, A. (2002). A new species of Gonolobus (Apocynaceae: Asclepiadeae, Gonolobinae) from southern Costa Rica. SIDA, Contributions To Botany, 20(1), 105–108.

Krings, A. (2002). Additions to the flora of Nags Head Woods (Dare County, North Carolina) and the Outer Banks of North Carolina. SIDA, Contributions To Botany, 20(2), 839–843.

Krings, A., Westbrooks, R., & Lloyd, J. (2002). Cirsium nuttallii (Asteraceae: Cynareae): New to North Carolina and an illustrated key to southeastern congeners. SIDA, Contributions To Botany, 20(2), 845–848.

Krings, A., Burton, M. G., & York, A. C. (2002). Commelina benghalensis (Commelinaceae) new to North Carolina and an updated key to Carolina congeners. SIDA, Contributions To Botany, 20(1), 419–422.

Krings, A. (2002). Cultivated, dicotyledonous taxa at the North Carolina State University herbarium. Vulpia, 1, 133–156.

Krings, A. (2002). Floral variation and diagnosis of Richardia (Rubiaceae) in the Carolinas. Castanea, 67(3), 329–330.

Krings, A. (2002). Keys to the vines of Carolina wetlands. Vulpia, 1, 23–40.

Krings, A. (2002). Nags Head Woods collections of the National Park Service Cape Hatteras National Seashore herbarium (CAHA). Journal of the North Carolina Academy of Science, 118(3), 145–155.

Krings, A., & Neal, J. C. (2001). A Scutellaria (Lamiaceae) new to North Carolina and a key to the small-flowered Carolina congeners. SIDA, Contributions To Botany, 19(3), 735–739.

Krings, A. (2001). Neotypification of Enslenia albida and a new combination in Ampelamus for Cynanchum laeve (Apocynaceae: Asclepiadoideae). SIDA, Contributions To Botany, 19(4), 925–929.

Krings, A. (2001). North Carolina State University Herbarium (NCSC): A brief history and a preliminary overview of the collections. Journal of the Elisha Mitchell Scientific Society, 117(4), 224–239.

Krings, A., & Neal, J. C. (2001). South American skullcap (Scutellaria racemosa Pers., Lamiaceae) in the southeastern United States. SIDA, Contributions To Botany, 19(4), 1171–1179.

Krings, A. (2001). Vines of a temperate state: Still undercollected? SIDA, Contributions To Botany, 19(4), 1147–1155.

Krings, A. (2001). Vines of two Texan semi-arid desert communities: Floristic composition and ecological notes. SOUTHWESTERN NATURALIST, 46(3), 400–404. https://doi.org/10.2307/3672444

Krings, A. (2000). A new combination for Sarcostemma cynanchoides var. hartwegii (Asclepiadaceae). SIDA, Contributions To Botany, 19(1), 137–138.

Krings, A. (2000). A phytogeographical characterization of the vine flora of the Sonoran and Chihuahuan deserts. JOURNAL OF BIOGEOGRAPHY, 27(6), 1311–1319. https://doi.org/10.1046/j.1365-2699.2000.00501.x

Krings, A. (2000). Floristics and ecology of Mesoamerican montane climber communities: Monteverde, Costa Rica. Selbyana, (21), 156–164.

Krings, A. (1999). An annotated preliminary checklist of the dicotyledonous lianas and vines of the Las Cruces Biological Station, Costa Rica. SIDA, Contributions To Botany, 18(4), 1247–1258.

Krings, A. (1999). Observations on the pollination biology and flowering phenology of Texan Matelea reticulata (Engelm. Ex. A. Gray) Woods. (Asclepiadaceae). Madrono, 46(3), 155–158.