NameThatPlant.net:... www.namethatplant.net

hawthorns (Genus Crataegus)... www.inaturalist.org

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Crataegus ignava detail -... fsus.ncbg.unc.edu

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Crataegus - Genus Page -... tennessee-kentucky.plantatl...

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Crataegus L. | Plants of... powo.science.kew.org

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Crataegus ignava detail -... fsus.ncbg.unc.edu

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Crataegus L. | Plants of... powo.science.kew.org

NEON Biorepository Data... biorepo.neonscience.org

Crataegus ignava - FNA floranorthamerica.org

Crataegus ignava detail -... fsus.ncbg.unc.edu

hawthorns (Genus Crataegus)... www.inaturalist.org

Crataegus - Genus Page -... tennessee-kentucky.plantatl...

NameThatPlant.net: Query... www.namethatplant.net