Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Bidens alba – Shepard’s Needles
Botanical Family Asteraceae
Bloom Time September – October
Pollen Characteristics
Dispersal Unit Monad
Aperture Number 3
Aperture Type Compound
Ornamentation Echinate
Tectum Eutectate
Size (um)
Shape Round
Pollen Color
Honey Bee Resources
Pollen Source
Nectar Source
The Anther's Promise 
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