Understanding allergies is part of allergy care. Our learning hub focuses on science-backed efficacy, research, and results to help you do that.

Alder trees, also known as grey alder due to the color of their bark, belong to the same family as birch, hazel, oak, and hornbeam trees. They are deciduous, meaning they lose their leaves in autumn, and are found near rivers and lakes sides, wet meadows, and marshlands.

Alder Tree Allergy

Maple trees, also known as boxelder, are the source of maple syrup! These trees grow rapidly, which is why they are commonly found alongside roads, and in parks. The wood of these trees is used for making furniture and paper pulps.

Boxelder Allergy

A small perennial tree that is considered an invasive species because of how quickly it produces seeds. Acacias are commonly found in velds and savannas.

Acacia Tree Allergy

This weed is found along floodplains, grasslands, open pastures, roadsides, and under forest canopies. Sheep sorrel is considered a cosmopolitan species as it is adaptable to a wide range of climatic conditions. an invasive, perennial, wind-pollinated plant.

Sheep Sorrel

Native to Europe and Asia, russian thistle is now present all over the world. This weed thrives in dry, aird, and semi-arid regions and is found in wastelands, cultivated fields, along beaches, in deserts, or invaded grasslands.

Russian Thistle Allergy

One of the most allergenic weeds in the world, pigweed is an insect and wind-pollinated plant commonly found in pasturelands, and farming fields.

Rough Pigweed Allergy

A coarse-textured weed abundantly found in lakes, river bottoms, valleys, lowlands, and damp areas.

Marsh Elder Allergy

A fast-growing perennial plant found in meadows, near buildings, and in nitrate-rich soils. Nettle is sometimes used for salads, soups, tea, colouring, as a curdling agent, and in herbal remedies.

Nettle Allergy

A perennial weed that grows along roadsides, in waste areas, and infests crops. In many parts of Asia, mugwort is regarded as an edible herb due to its antioxidant, anti-inflammatory, anticancer, hypolipidemic, antimicrobial, and antidiabetic properties.

Mugwort Allergy

An agressive weed and a major contributor to allergic reactions during the later end of the summer. A single plant of common ragweed can produce millions of pollen grains, which usually travel long distances.

Common Ragweed Allergy

One of the three most common indoor airborne fungi. Found mainly indoors, Penicillium chrysogenum is used to produce blue cheese, commercially as enzymes, and in the drug industry for the production of compounds against bacteria, fungi or viruses as well as anti-cancer compounds.

Penicillium Notatum Allergy

A seasonal mold and one of the three most common indoor airborne fungi around the world. While cladosporium herbarum is mainly found outdoors on plants, in soil, and on food, it does grow on indoor surfaces.

Cladosporium Herbarum Allergy

Learning Hub

Nectar's Indoor & Outdoor Allergy Test is not currently available for those under the age of 18 or any residents of NY. Price of the test includes the cost of physician services from our Licensed Telehealth Provider ($4.00 per test).

Learning Hub

Understanding allergies is part of allergy care. Our learning hub focuses on science-backed efficacy, research, and results to help you do that.

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