All 89 bee plants
Cotoneaster pollen
Cotoneaster horizontalis
Dull pale cream, in the cream / white range.
FloweringMay to June
PollenMinor
NectarVery good
SeasonSpring, Summer
WhereGarden, Hedgerow, Waste and verge
A summer favourite that fairly hums with bees, though they come chiefly for the nectar.

Easy to mistake for these
Closest pollen colours in our set, measured the same way the pollen identifier scores a match. Colour alone will not settle it, so check the flowering months and what is actually growing near your hives.
Confused with in the field
Noted by name in our own records, rather than worked out from the colour.
Out at about the same time
Saw a load like this going in?
Sample the colour against all 89 plants, then keep a forage record per hive.