Vernonia cinerea – Ironweed

Botanical Family Asteraceae

Bloom Time Seasonal

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 38

Shape Round

Pollen Color Reddish Yellow

Echinops exaltatus – Tall Globethistle

Botanical Family Asteraceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um)

Shape Triangle

Pollen Color

Taraxacum officinale – Dandelion

Botanical Family Asteraceae

Bloom Time March – December

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Porate

Ornamentation Lophate

Tectum Eutectate

Size (um) 35

Shape Round

Pollen Color Orange

Stokesia ‘Honey Song Purple’ – Stokes’ Aster

Botanical Family Asteraceae

Bloom Time May – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Porate

Ornamentation Reticulate

Tectum Semitectate

Size (um) 

Shape 

Pollen Color 

Solidago spp. ‘Little Lemon’ – Goldenrod

Botanical Family Asteraceae

Bloom Time August – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 22

Shape Round

Pollen Color Reddish Yellow

Silphium simpsonii – Simpson’s Rosinweed

Botanical Family Asteraceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size (um) 32

Shape Round

Pollen Color Reddish Yellow

Senecio vulgaris – Old Man in the Spring

Botanical Family Asteraceae

Bloom Time Seasonal bloomer

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 33

Shape Round

Pollen Color Yellowish Red