All Specimens

Pigweed

American Elm

Genus/Species
Ulmus americana

Common Names
American Elm, White Elm

Allergenicity
Medium

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, Scutch Grass, Wire Grass , Bahama Grass, Devil Grass

Allergenicity
High

Careless Weed

Black Willow

Genus/Species
Salix nigra

Common Names
Willow

Allergenicity
Low

Boxelder

Boxelder

Genus/Species
Acer negundo

Common Names
Boxelder, Cutleaved Maple, Ash-Leaf Maple, Water Ash

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

Common Cocklebur

Common Cocklebur

Genus/Species
Xanthium strumarium

Common Names
Cocklebur, Pennsylvania Cocklebur, Clotbur

Allergenicity
Medium

Cattle

Cattle

Genus/Species
Bos taurus

Common Names
Cow, Steer, Cattle

Allergenicity
Medium

Curly Dock

Curly Dock

Genus/Species
Rumex crispus

Common Names
Curly Dock, Yellow Dock, Sour Dock, Narrow-leaved Dock

Allergenicity
Medium

Dog

Dog

Genus/Species
Canis familiara

Common Names
Domestic Dog

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

Kochia

Goldenrod

Genus/Species
Solidago canadensis

Common Names
Goldenrod

Allergenicity
Low

Greasewood

Greasewood

Genus/Species
Sarcobatus vermiculatus

Common Names
Greasewood, Black Greasewood

Allergenicity
Low

Horse

Horse

Genus/Species
Equus caballus

Common Names
Horse

Allergenicity
Medium

Johnson Grass

Johnson Grass

Genus/Species
Sorghum halepense

Common Names
Johnson Grass, Egyptian Millet, Evergreen

Allergenicity
Medium

Russian Thistle

Juniper

Genus/Species
Juniperus communis L.

Common Names
Common Juniper

Allergenicity
High

Pigweed

Kentucky Bluegrass

Genus/Species
Poa pratensis

Common Names
Kentucky Bluegrass, June Grass, Common Meadow Grass

Allergenicity
High

Kochia

Kochia

Genus/Species
Kochia scoparia ssp. scoparia

Common Names
Kochia, Burning Bush

Allergenicity
High

Lamb’s Quarters

Lamb’s Quarters

Genus/Species
Chenopodium album (L .)

Common Names
Lamb’s Quarters, White Pigweed, White Goosefoot

Allergenicity
High

Mesquite

Live Oak

Genus/Species
Quercus virginiana Mill

Common Names
Virgnia Live Oak, Southern Live Oak, Southeastern Live Oak

Allergenicity
High

Meadow Fescue

Meadow Fescue

Genus/Species
Festuca elatior

Common Names
Meadow Fescue, Tall Fescue, English Blue Grass, Dover Grass, Randall Grass, Evergreen Grass

Allergenicity
High

Mesquite

Mesquite

Genus/Species
Prosopis juliflora

Common Names
Mesquite

Allergenicity
Medium

Mountain Cedar

Mountain Cedar

Genus/Species
Juniperus ashei

Common Names
Mountain Cedar, Ashe Juniper, Rock Cedar, Mexican Junipar, Texas Cedar

Allergenicity
High

Pigweed

Nettle

Genus/Species
Urtica dioica

Common Names
Stinging Nettle

Allergenicity
Medium

Orchard Grass

Orchard Grass

Genus/Species
Dactylis glomerata L.

Common Names
Orchard Grass

Allergenicity
High

Pigweed

Paper Birch

Genus/Species
Betula papyrifera

Common Names
Paper Birch, White Birch, Canoe Birch

Allergenicity
Medium

Pecan

Pecan

Genus/Species
Hicoria pecan​

Common Names
Pecan

Allergenicity
High

Pigweed

Pigweed

Genus/Species
Amaranthus retroflexus L.

Common Names
Red-Root Pigweed, Red-Root Amaranth

Allergenicity
High

Kochia

Pine

Genus/Species
Pinus ponderosa, contorta

Common Names
Pine

Allergenicity
Low

Red Alder

Red Alder

Genus/Species
Alnus rubra (oregona)

Common Names
Pacific Coast Alder, Oregon Alder, Western Alder

Allergenicity
High

Red Cedar

Red Cedar

Genus/Species
Juniperus virginiana

Common Names
Red Cedar, Eastern Red Cedar, Virginian Juniper, Eastern Juniper, Red Juniper

Allergenicity
High

Russian Thistle

Red Mulberry

Genus/Species
Morus rubra

Common Names
Red Mulberry, Mulberry

Allergenicity
High

Redtop

Redtop

Genus/Species
Agrostis alba​

Common Names
Redtop, Herd’s Grass, Creeping Bent Grass

Allergenicity
High

Mesquite

Reed Canary Grass

Genus/Species
Phalaris arundinacea

Common Names
Reed Canary

Allergenicity
Medium

Russian Thistle

Russian Thistle

Genus/Species
Salsola kali

Common Names
Russian Thistle, Tumbleweed, Saltwort

Allergenicity
High

Sheep Sorrel

Sheep Sorrel

Genus/Species
Rumex acetosella​

Common Names
Sheep Sorrel, Sorrel Dock, Field Sorrel, Red Sorrel, Wood Sorrel, Sour-weed

Allergenicity
Medium

Giant Ragweed

Short Ragweed

Genus/Species
Ambrosia artemisiifolia

Common Names
Short Ragweed, Common Ragweed, Dwarf Ragweed

Allergenicity
High

Smooth Brome

Smooth Brome

Genus/Species
Bromus inermis

Common Names
Brome

Allergenicity
Medium

Sugar Maple

Sugar Maple

Genus/Species
Acer saccharum

Common Names
Sugar Maple, Rock Maple, Hard Maple

Allergenicity
High

Timothy

Timothy

Genus/Species
Phleum pratense

Common Names
Timothy, Herd’s Grass

Allergenicity
High

Western Ragweed

Western Ragweed

Genus/Species
Ambrosia psilostachya​

Common Names
Western Ragweed

Allergenicity
High

White Ash

White Ash

Genus/Species
Fraxinus americana 

Common Names
White Ash, Biltmore Ash, Biltmore White Ash

Allergenicity
High

Wild Oat

Wild Oat

Genus/Species
Avena fatua

Common Names
Wild Oat

Allergenicity
Medium

Wingscale

Wingscale

Genus/Species
Atriplex canescens​

Common Names
Wingscale, Shadscale, Four-winged Saltbrush, Chamiso, Chamiza

Allergenicity
High