As classified in WFO snapshot
June 2024
Warning: older classification
variety
Crataegus oxyacantha var. caucasica
This variety name was first published in Verh. Vereins Beförd. Gartenbaues Königl. Preuss. Staaten 22: 286 (1853)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .