Crataegus

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Rosaceae

• Scientific Name

  Crataegus

• Discussion

  [Continued; 2nd section.]
  C. ×formosa Sarg. = C. flabellata × pruinosa                            
  C. ×fretalis Sarg. = C. coccinea × flabellata
  C. ×glareosa Ashe = C. pruinosa × succulenta
  C. ×haemocarpa Ashe = C. flabellata × pruinosa
  C. ×harryi Sarg. = C. brainerdii × punctata
  C. ×hirtiflora Sarg. = C. mollis × punctata
  C. ×ideae Sarg. = C. brainerdii × rotundifolia
  C. ×illecebrosa Sarg. = C. coccinea × coccinioides
  ×immanis Ashe = C. pruinosa × rotundifolia
  C. ×improvisa Sarg. = C. brainerdii × coccinea
  C. ×incaedua Sarg. = C. calpodendron × punctata
  C. ×integriloba Sarg. = C. punctata × succulenta
  C. ×kellermanii Sarg. = C. pruinosa × punctata
  C. ×kelloggii Sarg. = C. mollis × rotundifolia
  C. ×kennedyi Sarg. = C. brainerdii × pruinosa
  C. ×kingstonensis Sarg. = C. brainerdii × coccinioides
  C. ×knieskerniana Sarg. = C. coccinea × flabellata
  C. ×laetifica Sarg. = C. crus-galli × succulenta [Continued]

• Common Names

  hawthorn