Crataegus x lavallei

Crataegus x lavallei

Crataegus x lavallei Hr. ex Lav.
Deu.: Lederblättriger Weissdorn.
Sven.: glanshagtorn.
Bot. syn.: See Crataegus crus-galli x stipulacea., Crataegus carrierei Vauvel ex Carr., Crataegus x carrierei Carr.

I have no articles for this botanical term, but there might be some for the next level down (if found).