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: = C. tomentosa sensu auctt.
Typification:
Name Verified on: 08-Jun-1988 by ARS Systematic Botanists. Last Changed: 25-Jan-2002
Species priority site is: National Arboretum (NA)
Accessions: 2 in National Plant Germplasm System (GoogleMap)

Synonyms:

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 (http://www.biosurvey.ou.edu/shrub/crat-cal.htm), Wisconsin]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Georgia, Kentucky, Louisiana, Maryland (w.), Mississippi, North Carolina (w. (Buncombe Co.)), Tennessee (http://tenn.bio.utk.edu/vascular/database/vascular-database.asp?CategoryID=Dicots&FamilyID=Rosaceae&GenusID=Crataegus&SpeciesID=calpodendron), Virginia]
    • SOUTH-CENTRAL U.S.A.: United States [Texas (e.)]


References:

  1. Britton, N. L. & A. Brown An illustrated flora of the northern United States, Canada and the British possessions, ed. 3. (IllF N US Can)
  2. Brown, R. G. & M. L. Brown Woody plants of Maryland. 1972 (WPl Mary)
  3. Browne, E. T. & R. Athey Vascular plants of Kentucky: an annotated checklist. 1992 (L Kentucky)
  4. Chester, E. W. et al. Atlas of Tennessee vascular plants. (Atlas Tenn)
  5. Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
  6. Deam, C. C. Flora of Indiana. (F Indiana)
  7. Duncan, W. H. & J. T. Kartesz Vascular flora of Georgia: an annotated checklist. (L Georgia)
  8. Eilers, L. J. & D. M. Roosa The vascular plants of Iowa. 1994 (L Iowa)
  9. Liberty Hyde Bailey Hortorium Hortus third. (Hortus 3)
  10. Little, E. L., Jr. Checklist of United States trees, Agric. Handb. 541. 1979 (Trees US)
  11. McGregor, R. L. et al. (The Great Plains Flora Association) Flora of the Great Plains. (F GPlains)
  12. McGregor, R. L. et al. (The Great Plains Flora Association) Atlas of the Flora of the Great Plains. (Atlas GPlains)
  13. Mitchell, R. S., ed. A checklist of New York state plants. New York State Mus. Bull. 458. 1986 (L New York)
  14. Mohlenbrock, R. H. Guide to the vascular flora of Illinois. (F IllMohl)
  15. Mohlenbrock, R. H. & D. M. Ladd Distribution of Illinois vascular plants. 1978 (Atlas Ill)
  16. Ownbey, G. B. & T. Morley Vascular plants of Minnesota: a checklist and atlas. 1991 (L Minn)
  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. Manual of the vascular flora of the Carolinas. (F Carolin)
  19. Rhoads, A. F. & T. A. Block The plants of Pennsylvannia. An illustrated manual. 2000 (F Penn)
  20. Scoggan, H. J. The flora of Canada, 4 vol. (F Canada)
  21. Steyermark, J. A. Flora of Missouri. (F Missouri)
  22. Strausbaugh, T. D. & E. L. Core Flora of West Virginia, ed. 2. (F WVa)
  23. Voss, E. Michigan flora. (F Mich)
  24. Wherry, E. T. et al. Atlas of the flora of Pennsylvania. (Atlas Penn)

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.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2018. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?313727. Accessed 23 April 2018.