Bog pimpernel and New Zealand willowherb.
https://wild-e-eep.blogspot.com/2024/08/bog-pimpernel-and-imposter.html
https://www.scottishforestrytrust.org.uk/projects/the-ecology-and-genetics-of-native-scottish-crab-apple-2016-2018
Nice, readable paper on wild apple trees in Scotland. Includes a recommendation to re-brand the native Malus sylvestris as 'wild apple' instead of 'crab apple' to distinguish it from the varous other non-native crab apple species.