References

For Crataegus

Ashe, W.W. 1900a. New east American species of Crataegus. J. Elisha Mitchell Sci. Soc. 16:70-79.

Ashe, W.W. 1900b. Some Eastern American species of Crataegus. J. Elisha Mitchell Sci. Soc. 17:4-17.

Ashe, W.W. 1900c. New North American plants -- some new species of Crataegus. Bull. N. Carolina Agricultural Exp. Sta. No. 175:109-114.

Ashe, W.W. 1901. New east American thorns. J. Elisha Mitchell Sci. Soc. 18: 17-28.

Ashe, W.W. 1903a. New North American thorns. J. Elisha Mitchell Sci. Soc. 19: 10-31.

Ashe, W.W. 1903b. New or little-known woody plants. Botanical Gazette. 34: 433-436.

Ashe, W.W. 1916. Crataegus curabilis. Bull. Charleston Museum 12: 43.

Beadle, C.D. 1913. Crataegus. In Small, J.K. 1913a. Flora of the southeastern United States, being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian, second edition. Published by the author, New York, NY. 1394 pp.

Chapman, A.W. 1892. Flora of the southern United States. Suppl. II, p. 684. 2nd Ed. American Book Co., New York.

Chen, X., J. Li, W. Zhang, Y. Liu, P. Wu, X. Yang, L. Wang, and A. Zhou. 2020a. Molecular systematics of Rosoideae (Rosaceae). Pl. Syst. Evol. 306:9.

Deam, C.C. 1940. Flora of Indiana. Indiana Dept. of Cons., Div. of Forestry, Indianapolis, Indiana, USA.

Eggleston, W.W. 1913. Crataegus. In Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions, ed. 2. Charles Scribner Sons, New York.

Eriksson, T., M.S. Hibbs, A.D. Yoder, C.F. Delwiche, and M.J. Donoghue. 2003. The phylogeny of Rosoideae (Rosaceae) based on sequences of the internal transcribed spacers (ITS) of nuclear ribosomal DNA and the trnL/F region of chloroplast DNA. Int. J. Plant Sci. 164: 197-211.

Eugenia, Y.Y., S. Stefanovič, and T.A. Dickinson. 2007. Molecular reappraisal of relationships between Crataegus and Mespilus (Rosaceae, Pyreae) --two genera or one? Syst. Botany 32(3): 596-616.

Gilman, A.V., and A. Haines. 2022. Rediscovery of Crataegus pisifera (Rosaceae: Maleae). J. Bot. Res. Inst. Texas 16(2): 357-372.

Harper, R.M. 1928. Catalogue of the trees, shrubs and vines of Alabama, with their economic properties and local distribution. Ala. Geological Surv. Monog. 9.

Kalkman. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp.

Kruschke, E.P. 1955. The hawthorns of Wisconsin. Milwaukee Public Museum Publ. Bot. No. 2.

Kruschke, E.P. 1965. Contributions to the taxonomy of Crataegus. Milwaukee Public Publ. Bot. No. 3.

Lance, R. 1995. The hawthorns of the southeastern United States. Published by the author, Fletcher, NC. 136 pp.

Lance, R. 2011. New alignments in North American Crataegus (Rosaceae). Phytoneuron 2011-3: 1-8.

Lance, R. 2013. A new endemic species of Crataegus (Rosaceae) from western North Carolina. Phytoneuron 2013-98: 1-15.

Lance, R. 2014. Haws: a guide to hawthorns of the southeastern United States. Published by the author.

Lance, R.W. and J.B. Phipps. 2000. Crataegus harbisonii -- rediscovery and amplification. Castanea 65: 291-296.

Palmer, E.J. 1924. The ligneous flora of Rich Mountain, Arkansas and Oklahoma. J. Arnold Arb. 5: 108-134.

Palmer, E.J. 1925. Synopsis of North American Crataegi. J. Arnold Arb. 6: 5-128.

Palmer, E.J. 1926. The ligneous flora of Hot Springs National Park and vicinity. J. Arnold Arb. 7: 104-135.

Palmer, E.J. 1935. Two new species of Crataegus from Missouri, with two text figures. J. Arnold Arb. 16(3): 353-357.

Palmer, E.J. 1956. Crataegus in Ohio, with description of one new species. Ohio J. Sci. 56(4): 205-216.

Palmer, E.J. 1960. Crataegus. In Vines, R.A. 1960. Trees, shrubs and woody vines of the Southwest. University of Texas Press, Austin, TX.

Palmer, E.J. 1969. Crataegus. In Braun, E.L. 1969. The woody plants of Ohio. Hafner Press, New York.

Phipps, J. B. and R.J. O'Kennon. 1997. Crataegus nananixonii (Rosaceae, ser. Intricatae), a new species of hawthorn from eastern Texas. Sida 17(3): 569-574.

Phipps, J.B and K.A. Dvorsky. 2007. Review of Crataegus series Apricae, ser. nov., and C. flava (Rosaceae). J. Bot. Res. Inst. Texas 1: 171-202.

Phipps, J.B and K.A. Dvorsky. 2008. A taxonomic revision of Crataegus series Lacrimatae (Rosaceae). J. Bot. Res. Inst. Texas 2: 1101-1162.

Phipps, J.B. 1988a. Crataegus (Maloideae, Rosaceae) of the southeastern United States, I. Introduction and series Aestivales. J. Arnold Arb. 69: 401-431.

Phipps, J.B. 1988b. The re-assessment of Crataegus flava Aiton and its nomenclatural implications for the Crataegus serial name Flavae (Loud.) Rehd. and its sectional equivalent. Taxon 37: 108-113.

Phipps, J.B. 1990. Mespilus canescens, a new rosaceous endemic from Arkansas. Syst. Bot. 15: 26-32.

Phipps, J.B. 1998. Synopsis of Crataegus series Apiifoliae, Cordatae, Microcarpae, and Brevispinae (Rosaceae subfam. Maloideae). Ann. Missouri Bot. Gard. 85: 475-491.

Phipps, J.B. 2006. Crataegus spes-aestatum, a new species in series Punctatae (Rosaceae), and six new varietal names from the Missouri Crataegus flora. Novon (7 Nov.) 16:381-387.

Phipps, J.B. 2007. Miscellaneous typifications, new combinations and one new variety in North American Crataegus (Rosaceae). J. Bot. Res. Inst. Texas 1(2): 1005-1010.

Phipps, J.B. 2012. Critical taxa in Crataegus series Molles (Rosaceae): typifications, new combinations and taxonomic review. Phytoneuron 2012-78: 1-23.

Phipps, J.B. 2014d. Crataegus. In Flora of North America Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9, Magnoliophyta: Picramniaceae to Rosaceae. Oxford Univ. Press, New York, NY. 713 pp.

Phipps, J.B. 2014e. Mespilus. In Flora of North America Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9, Magnoliophyta: Picramniaceae to Rosaceae. Oxford Univ. Press, New York, NY. 713 pp.

Phipps, J.B. 2016. Studies in Mespilus, Crataegus, and ×Crataegomespilus (Rosaceae), I. Differentiation of Mespilus and Crataegus, expansion of ×Crataegomespilus, with supplementary observations on differences between the Crataegus and Amelanchier clades. Phytotaxa 257 (3): 201-229.

Phipps, J.B. and K.A. Dvorsky. 2006. Crataegus series Parvifoliae and its putative hybrids in the southeastern United States. Sida 22:423-445.

Phipps, J.B., G. Yatskievych, and K. Wood. 2007. Typification of Crataegus names from the Missouri flora. Harvard Pap. Bot. 11: 179-197.

Phipps, J.B., R. Lance, and K.A. Dvorsky. 2006. Crataegus series Bracteatae and Triflorae (Rosaceae). Sida 22: 1009-1025.

Phipps, J.B., R.J. O'Kennon, and K.A. Dvorsky. 2006. Review of Crataegus series Pulcherrimae (Rosaceae). Sida 22: 973-1007.

Phipps, J.B., R.J. O’Kennon, and R.W. Lance. 2003. Hawthorns and medlars. Royal Horticultural Society Plant Collector Guide. Timber Press, Portland OR. 139 pp.

Poindexter, D.B. and R.W. Lance. 2011. Crataegus chrysocarpa var. dodgei new to North Carolina. J. Bot. Res. Inst. Texas 5(1): 349-350.

Potter, D., T. Eriksson, R.C. Evans, S. Oh, J.E.E. Smedmark, D.R. Morgan, M. Kerr, K.R. Robertson, M. Arsenault, T.A. Dickison, and C.S. Campbell. 2007. Phylogeny and classification of Rosaceae. Pl. Syst. Evol. 266: 5-43.

Sargent, C.A. 1920. Notes on North American trees VI. J. Arnold Arb. 3: 245-254.

Sargent, C.A. 1922. Notes on North American trees X., new species and varieties of Crataegus. J. Arnold Arb. 3: 245-254.

Sargent, C.S. 1903. Crataegus: trees and shrubs, illustrations of new or little known ligneous plants. Arnold Arboretum.

Sargent, C.S. 1908. Crataegus in Missouri. Missouri Bot. Garden Annual Report 19: 35-126.

Sargent, C.S. 1911a. Crataegus in Missouri 2. Missouri Bot. Garden Annual Report 22: 67-84.

Sargent, C.S. 1913. Crataegus: trees and shrubs, illustrations of new or little known ligneous plants. Arnold Arboretum.

Sargent, C.S. 1921a. Notes on North American trees. VIII. J. Arnold Arb. 2: 164-174.

Sargent, C.S. 1921b. Notes on North American trees, IX. New species and varieties of Crataegus. J. Arnold Arb. 2(1): 1-11.

Tucker, G.E. 1976. A guide to the woody flora of Arkansas. PhD thesis, Univ. of Ark., Fayetteville.