Malus x robusta (Carriere) Rehder, J. Arnold Arbor. 2: 54 (1920);
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Malus x robusta “Red Sentinel’ from Canada-GS18012021-3
Malus x robusta “Red Sentinel’
Photographed from Mississauga, Canada, 21-8-2019.
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References: POWO The Plant List Ver.1.1 IPNI
https://www.ornamental-trees.co.uk/malus-robusta-red-sentinel-tree-p238
https://www.rhs.org.uk/plants/45895/Malus-x-robusta-Red-Sentinel/Details
https://www.gardenersworld.com/plants/malus-x-robusta-red-sentinel/