Crataegus iracunda was created in 1899.
Crataegus Monogyna
Crataegus oxyacantha and a member of the rose.
The scientific Latin name for hawthorn is Crataegus.
Hawthorn.
Crataegus punctata
Scientific Classification of the Hawthorn bush Kingdom: Plantae Order: Rosales Family: Rosaceae Genus: Crataegus Series: Crataegus Species: C. monogyna
Crataegus monogyna
Crataegus is a bush
Leaves, flowers and fruits of Crataegus can be used in a tonic form for treating cardiac weakness, and chronic heart diseases. Its uses include treatment for arrhythmias, angina, and hypertension. See related links.
The scientific or taxonomic name would be Crataegus spp.
The scientific name is Acer negundo. I found this on http://www.wildflower.org/plants/result.php?id_plant=ACNE2
Tamarix, Thorn (Crataegus) Tilia, Tulip tree, Taxodium, Taxus, Thuja, Tsuga.