Taxon: Crataegus macrosperma Ashe

See also subordinate taxa:

• Crataegus macrosperma var. matura (no accessions)

Common names:

• earlythorn   (Source: F NEng ) – English   [Crataegus macrosperma var. matura]
  
• variable hawthorn   (Source: F WVa ) – English
  

Economic importance:

• View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Eastern Canada: Canada - Ontario [s.]
  Northeastern U.S.A.: United States - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia
  North-Central U.S.A.: United States - Illinois [n.e.], Wisconsin
  Southeastern U.S.A.: United States - Georgia, Kentucky [e.], Maryland [w.], North Carolina [w.], Tennessee [e.], Virginia [w.]

References:

• Britton, N. L. & A. Brown. 1952. An illustrated flora of the northern United States, Canada and the British possessions, ed. 3. (IllF N US Can)
• Brown, R. G. & M. L. Brown. 1972. Woody plants of Maryland. (WPl Mary)
• Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist. (L Kentucky)
• Chester, E. W. et al. 1993–. Atlas of Tennessee vascular plants. (Atlas Tenn)
• Deam, C. C. 1940. Flora of Indiana. (F Indiana)
• Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist. (L Georgia)
• Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2. (Glea Cron ed2) [= C. flabellata (Bosc) K. Koch].
• Little, E. L., Jr. 1979. Checklist of United States trees, Agric. Handb. 541. (Trees US) [= C. flabellata (Bosc) K. Koch].
• Mitchell, R. S., ed. 1986. A checklist of New York state plants. New York State Mus. Bull. 458. (L New York)
• Mohlenbrock, R. H. & D. M. Ladd. 1978. Distribution of Illinois vascular plants. (Atlas Ill)
• Mohlenbrock, R. H. 1975. Guide to the vascular flora of Illinois. (F IllMohl)
• Phipps, J. B. & M. Muniyamma. 1980. A taxonomic revision of Crataegus (Rosaceae) in Ontario. Canad. J. Bot. 58:1688.
• Phipps, J. B. et al. 1990. A checklist of the subfamily Maloideae (Rosaceae). Canad. J. Bot. 68:2225.
• Scoggan, H. J. 1978–1979. The flora of Canada, 4 vol. (F Canada) [= C. flabellata (Bosc) K. Koch].
• Seymour, F. 1969. The flora of New England. (F NEng)
• Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2. (F WVa)
• Voss, E. 1972–. Michigan flora. (F Mich) [accepts as part of C. flabellata complex].

More:

Search AGRICOLA article citation database for citations referencing Crataegus macrosperma.

Search NCBI's Entrez search engine for PubMed citations referencing Crataegus macrosperma. Note: Defaults to a search by genus or species epithet if species binomial not found.

Synonyms:

• Crataegus fretalis Sarg. [= Crataegus macrosperma var. matura]
  
• Crataegus matura Sarg. [≡ Crataegus macrosperma var. matura]
  
• (=) Crataegus prona Ashe
  

Check other databases for Crataegus macrosperma Ashe:

• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• 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.
  Note: Defaults to a search by genus or species epithet if species binomial not found.

Check other databases for images:

• PlantSystematics.org
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

Ctrl P to print