Hawthorn

Crataegus aestivalis: May Hawthorn

Edward F. Gilman and Dennis G. Watson

Crataegus laevigata: English Hawthorn

Edward F. Gilman and Dennis G. Watson

Crataegus viridis 'Winter King': 'Winter King' Southern Hawthorn

Edward F. Gilman and Dennis G. Watson

Crataegus laevigata'Crimson Cloud': 'Crimson Cloud' English Hawthorn

Edward F. Gilman and Dennis G. Watson

Crataegus phaenopyrum: Washington Hawthorn

Edward F. Gilman and Dennis G. Watson

Crataegus marshallii, Parsley Hawthorn

Michael G. Andreu, Melissa H. Friedman, Mary McKenzie, Heather V. Quintana, and Robert Northrop

A UF/IFAS numbered Organism ID.

Crataegus phaenopyrum 'Fastigiata': 'Fastigiata' Washington Hawthorn

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.

Crataegus x lavallei: Lavalle Hawthorn

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.