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Taxon: Crataegus calpodendron (Ehrh.) Medik.

 
Genus: Crataegus
Family: Rosaceae
Subfamily: Amygdaloideae
Tribe: Maleae
Subtribe: Malinae
Nomen number: 313727
Place of publication: Gesch. Bot. 83. 1793
Link to protologue:
Comment: = Crataegus tomentosa sensu auctt.
Name Verified on: 08-Jun-1988 by ARS Systematic Botanists.
Accessions: 5 (2 active, 2 available) in National Plant Germplasm System (Map)

Autonyms (not in current use) and synonyms:

(≡ homotypic synonym, = heterotypic synonym, - autonym)

Common names:

  • blackthorn hawthorn  (Source: F Penn) - English
  • pear hawthorn  (Source: Trees US) - English
  • pearthorn  (Source: Hortus 3) - English
  • urn-tree hawthorn  (Source: F GPlains) - English

Distributional Range:

    Native

    Northern America
    • EASTERN CANADA: Canada [Ontario (s.e.)]
    • NORTHEASTERN U.S.A.: United States [Indiana, Michigan, New York, Ohio, Pennsylvania, West Virginia]
    • NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas (e.), Minnesota, Missouri, Oklahoma, Wisconsin]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Georgia, Kentucky, Louisiana, Maryland (w.), Mississippi, North Carolina (w. (Buncombe Co.)), Tennessee, Virginia]
    • SOUTH-CENTRAL U.S.A.: United States [Texas (e.)]


References:

  1. Britton, N. L. & A. Brown. 1952. An illustrated flora of the northern United States, Canada and the British possessions, ed. 3.
  2. Brown, R. G. & M. L. Brown. 1972. Woody plants of Maryland
  3. Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
  4. Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants.
  5. Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
  6. Deam, C. C. 1940. Flora of Indiana.
  7. Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist.
  8. Eilers, L. J. & D. M. Roosa. 1994. The vascular plants of Iowa
  9. Liberty Hyde Bailey Hortorium. 1976. Hortus third.
  10. Little, E. L., Jr. 1979. Checklist of United States trees, Agric. Handb. 541
  11. McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
  12. McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
  13. Mitchell, R. S., ed. 1986. A checklist of New York state plants. New York State Mus. Bull. 458
  14. Mohlenbrock, R. H. & D. M. Ladd. 1978. Distribution of Illinois vascular plants
  15. Mohlenbrock, R. H. 1975. Guide to the vascular flora of Illinois.
  16. Ownbey, G. B. & T. Morley. 1991. Vascular plants of Minnesota: a checklist and atlas
  17. Phipps, J. B. & M. Muniyamma. 1980. A taxonomic revision of Crataegus (Rosaceae) in Ontario. Canad. J. Bot. 58:1679.
  18. Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
  19. Rhoads, A. F. & T. A. Block. 2000. The plants of Pennsylvannia. An illustrated manual
  20. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
  21. Steyermark, J. A. 1977. Flora of Missouri.
  22. Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2.
  23. Voss, E. 1972-. Michigan flora.
  24. Wherry, E. T. et al. 1979. Atlas of the flora of Pennsylvania.
  25. Wofford, B. E. Database of Tennessee vascular plants (on-line resource). URL: https://herbarium.utk.edu/vascular/vascular-database.php?CategoryID=Dicots&FamilyID=Rosaceae&GenusID=Crataegus&SpeciesID=calpodendron target='_blank'
  26. 2018. Oklahoma vascular plant database

Check other web resources for Crataegus calpodendron (Ehrh.) Medik. :

  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ICRA: International Cultivar Registration Authority (on-line resource). for Crataegus calpodendron cultivars
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?313727. Accessed 14 November 2019.