All 89 bee plants
Meadow buttercup pollen
Ranunculus acris
Bright buttery yellow, in the yellow range.
FloweringMay to July
PollenGood
NectarFair
SeasonSpring, Summer
WhereFarmland, Waste and verge
A dependable summer meadow standby that gives up its bright yellow pollen freely on sunny days.

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.