Careless Weed
Pigweed
Orchard Grass
English Plantain

City

American Sycamore

American Sycamore

Genus/Species
Platanus occidentalis

Common Names
Sycamore, Buttonwood, Buttonball, Plane Tree

Allergenicity
Medium

Arizona Cypress

Arizona Cypress

Genus/Species
Hesperocyparis arizonica

Common Names
Arizona Cypress, Arizona Rough Cypress, Rough-Bark Cypress, Smooth-Bark Cypress, Cedro

Allergenicity
High

Bermuda Grass

Bermuda Grass

Genus/Species
Cynodon dactylon

Common Names
Bermuda Grass

Allergenicity
High

Careless Weed

Careless Weed

Genus/Species
Amaranthus palmeri

Common Names
Careless Weed, Palmer’s Amaranth

Allergenicity
High

Chinese Elm

Chinese Elm

Genus/Species
Ulmus parvifolia

Common Names
Chinese Elm, Lacebark Elm

Allergenicity
High

Eastern Cottonwood

Eastern Cottonwood

Genus/Species
Populus deltoides

Common Names
Common Cottonwood, Eastern Cottonwood, Necklace Poplar

Allergenicity
High

English Plantain

English Plantain

Genus/Species
Plantago lanceolata

Common Names
English Plantain, Ribwort Plantain, Narrow-leaved Plantain, Buckhorn Plantain, Buck Plantain

Allergenicity
Medium

Giant Ragweed

Giant Ragweed

Genus/Species
Ambrosia trifida

Common Names
Giant Ragweed, Tall Ragweed, Crownweed

Allergenicity
High

Orchard Grass

Orchard Grass

Genus/Species
Dactylis glomerata L.

Common Names
Orchard Grass

Allergenicity
High

Pigweed

Pigweed

Genus/Species
Amaranthus retroflexus L.

Common Names
Red-Root Pigweed, Red-Root Amaranth

Allergenicity
High

Sugar Maple

Sugar Maple

Genus/Species
Acer saccharum

Common Names
Sugar Maple, Rock Maple, Hard Maple

Allergenicity
High

White Ash

White Ash

Genus/Species
Fraxinus americana

Common Names
White Ash, Biltmore Ash, Biltmore White Ash

Allergenicity
High