Flowering currant pollen, SEM

Milkwort pollen, SEM

Common daisy anther, SEM

Angel's trumpets pollen, SEM

Abutilon pollen, SEM

Abutilon pollen, SEM

Rapeseed pollen, SEM

Common daisy anther, SEM

Marigold pollen, SEM

Horse chestnut pollen, SEM

Ragweed pollen (Ambrosia psilostachya), coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Ragweed (Ambrosia psilostachya) pollen, coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Coloured scanning electron micrograph (SEM) of Dust mite (Dermatophagoides pteronyssinus) with dust mite faecal pellets (light brown), pollen (yellow), mineral (blue), plant debris (green), and dead skin/dander (purple). Millions of dust mites inhabit...

Coloured scanning electron micrograph (SEM) of House dust. Components such as fibre, hair, pollen, insect faecal matter and scale (animal dander) cause allergic reactions in sensitive humans. Dust in homes contains small amounts of plant pollen, human...

Waterlily pollen (Nymphaea mexicana), coloured scanning electron micrograph (SEM). Nymphaea mexicana is a species of aquatic plant in the family Nymphaeaceae. It is native to the Southern United States and Mexico. Common names include: yellow...

Ragweed (Ambrosia psilostachya) pollen, coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Ragweed pollen -Ambrosia psilostachya, coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Ragweed pollen (Ambrosia psilostachya), coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Ragweed pollen, Ambrosia psilostachya, coloured scanning electron micrograph (SEM). This pollen is an allergen. Ragweed is a main cause of weed allergies. Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic...

Coloured scanning electron micrograph (SEM) of House dust. Components such as fibre, hair, pollen, insect faecal matter and scale (animal dander) cause allergic reactions in sensitive humans. Dust in homes contains small amounts of plant pollen, human...

Scientist working on computer in lab

Bottlebrush pollen, SEM