Betrock's
Allergenica

The following is a collective list of Allergenic plants, by zone, with supporting information. Click on the map above or on a link below to view plants specific to that zone.
Plant Name | |
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Abelmoschus esculentus (Okra) | More Info |
Abies concolor (White fir) | More Info |
Acer negundo (Box elder, Ash leaf maple) | More Info |
Aglaonema (Chinese evergreen) | More Info |
Agropyron cristatum (Crested wheatgrass) | More Info |
Agropyron desertorum (Clustered wheatgrass) | More Info |
Agrostis capillaris (Colonial bentgrass) | More Info |
Agrostis gigantea (Black bentgrass) | More Info |
Agrostis stolonifera (Redtop, creeping bentgrass) | More Info |
Ailanthus altissima (Tree-of-heaven) | More Info |
Allium (Onion, garlic, leek, shallot) | More Info |
Alnus rubra (Red alder) | More Info |
Alopecurus pratensis (Field meadow foxtail) | More Info |
Amaranthus (Pigweeds, tumbleweeds, waterhemp) | More Info |
Amaranthus albus (Tumbleweed) | More Info |
Amaranthus blitoides (Mat amaranth) | More Info |
Amaranthus palmeri (Palmer's amaranth) | More Info |
Amaranthus retroflexus (Pigweed, Redroot/Rough amaranth) | More Info |
Amaranthus rudis (Tall amaranth, western waterhemp) | More Info |
Ambrosia artemisiifolia (Annual ragweed,common ragweed, short ragweed) | More Info |
Ambrosia psilostachya (Perennial ragweed, Western ragweed ) | More Info |
Anthurium (Flamingo flower, anthurium) | More Info |
Apium graveolens (Celery) | More Info |
Arrhenatherum elatius (Tall oatgrass) | More Info |
Artemisia absinthium (Wormwood (absinthe), Oldman) | More Info |
Artemisia dracunculus (Green sage, Dragon wormwood, ) | More Info |
Artemisia tridentata (Big sagebrush, Giant sagebrush, Common sagebrush) | More Info |
Atriplex canescens (Wingscale, Four wing saltbush) | More Info |
Atriplex confertifolia (Shadscale) | More Info |
Atriplex patula (Halberd leaf orache, Common Orache) | More Info |
Atriplex polycarpa (Allscale, Cattle spinach) | More Info |
Atriplex rosea (Red scale, Tumbling orache) | More Info |
Atriplex serenana (Scale saltbush, Bracted saltbush) | More Info |
Avena fatua (Wild oat, Common Oat ) | More Info |
Avena sativa (Cultivated oat) | More Info |
Balsamorhiza sagittata (Arrow leaf balsamroot) | More Info |
Bassia hyssopifolia (Smotherweed (Bassia)) | More Info |
Bassia scoparia (Burning bush, firebush) | More Info |
Begonia spp, (Begonias) | More Info |
Betula occidentalis (Water birch) | More Info |
Brassica (Mustard, Cabbage (inc. brocolli, Brussels sprouts, cauliflower), Rape) | More Info |
Brassica campestris (rapa) (Mustard) | More Info |
Bromus secalinus (Rye brome, Cheat brome) | More Info |
Caladium bicolor (Caladium) | More Info |
Calocedrus decurrens (Incense cedar) | More Info |
Capsicum (Red peppers, Chili peppers, Hot peppers) | More Info |
Carex (Sedges) | More Info |
Celtis laevigata (Sugarberry, Hackberry) | More Info |
Centaurea maculosa (Knapweed) | More Info |
Chamaecyparis lawsoniana (Port Orford cedar, Lawson's cypress) | More Info |
Chamaedorea (Parlor palm, Bamboo palm, Reed palm) | More Info |
Chamaenerion angustifolium (Fireweed) | More Info |
Chenopodium album (Lamb's quarters) | More Info |
Chenopodium berlandieri (Pit seed goosefoot) | More Info |
Chrysanthemum leucanthemum (Daisy, Ox-Eye) | More Info |
Chrysanthemum x morifolium (Florist's chrysanthemum) | More Info |
Chrysothamnus viscidiflorus (Douglas rabbitbush, Green rabbitbrush) | More Info |
Cleome spinosa (Spider flower) | More Info |
Codiaeum variegatum (Croton) | More Info |
Cymbidium (Cymbidium orchids) | More Info |
Cynodon dactylon (Bermudagrass) | More Info |
Cyperus (Sedges, papyrus) | More Info |
Cyperus esculentus (Yellow nut sedge, chufa) | More Info |
Cytisus scoparius (Scotch broom) | More Info |
Dianthus caryophyllus (Carnation) | More Info |
Dieffenbachia spp. and hybrids (Dumb-cane) | More Info |
Elaeagnus angustifolia (Russian olive) | More Info |
Elymus repens (Quack grass, Couch grass) | More Info |
Epipremnum aureum (Pothos) | More Info |
Euphorbia (Spurges, Milk cacti) | More Info |
Euphorbia fulgens (Scarlet plume) | More Info |
Euphorbia pulcherrima (Poinsettia) | More Info |
Festuca rubra (Red fescue) | More Info |
Ficus benjamina (Weeping banyan, Weeping fig) | More Info |
Foeniculum vulgare (Fennel) | More Info |
Gypsophila paniculata (Baby's breath) | More Info |
Helenium autumnale (Sneezeweed) | More Info |
Helianthus annuus (Common Sunflower) | More Info |
Hippeastrum spp. and hybrids (Amaryllis) | More Info |
Hordeum vulgare (Common Barley) | More Info |
Humulus lupulus (Common Hop) | More Info |
Hyacinthus orientalis (Hyacinth) | More Info |
Hydrangea macrophylla (Hydrangea) | More Info |
Iva axillaris (Poverty Weed, Deer root) | More Info |
Iva xanthifolia (Prairie ragweed) | More Info |
Juniperus (Junipers, Red cedars) | More Info |
Juniperus chinensis (Pfitzer (Juniper, Chinese)) | More Info |
Juniperus occidentalis (Western juniper) | More Info |
Juniperus osteosperma (Utah juniper) | More Info |
Juniperus scopulorum (Rocky mountain juniper, Cedar) | More Info |
Koeleria macrantha (Hairgrass) | More Info |
Krasheninnikovia lanata (Winterfat) | More Info |
Lactuca sativa (Lettuce) | More Info |
Lactuca scariola (Prickly lettuce) | More Info |
Leymus cinereus (Giant wild ryegrass, ) | More Info |
Leymus triticoides (Rye, wild ( alkali)) | More Info |
Ligustrum vulgare (European privet) | More Info |
Lolium perenne (Perennial ryegrass) | More Info |
Lolium pratense (Meadow grass) | More Info |
Medicago sativa (Alfalfa, lucerne) | More Info |
Melilotus officinalis (Yellow sweet clover) | More Info |
Monstera deliciosa (Ceriman) | More Info |
Narcissus (Daffodils, Jonquils, Narcissus) | More Info |
Opuntia (Beavertail cactus, Tuna, Cholla, Prickly pear cactus) | More Info |
Ornithogalum (Chincherinchee, Star of Bethlehem) | More Info |
Pascopyrum smithii (Western wheatgrass) | More Info |
Pastinaca sativum (Wild parsnip) | More Info |
Pelargonium (Geraniums) | More Info |
Petroselinum crispum (Parsley) | More Info |
Phalaris arundinacea (Reed Canarygrass ) | More Info |
Phalaris canariensis (Common Canarygrass) | More Info |
Philodendron (Philodendron) | More Info |
Philodendron scandens (Heartleaf philodendron) | More Info |
Phleum pratense (Common Timothy) | More Info |
Phragmites australis (Common Reed) | More Info |
Pinus (Pine trees) | More Info |
Pinus contorta (Lodgepole pine) | More Info |
Pinus edulis (Two needle pinyon) | More Info |
Pinus lambertiana (Sugar pine) | More Info |
Plantago lanceolata (English plantain) | More Info |
Plantago major (Common plantain) | More Info |
Poa compressa (Flat-stem bluegrass) | More Info |
Poa pratensis (Kentucky bluegrass, June grass) | More Info |
Poa secunda (Sandberg's bluegrass) | More Info |
Polyscias (Ming aralias) | More Info |
Populus (Poplars, Cottonwoods, Aspen) | More Info |
Populus alba (White poplar) | More Info |
Populus fremontii (Fremont's cottonwood) | More Info |
Populus nigra 'Italica' (Lombardy poplar, Black poplar) | More Info |
Populus tremuloides (Quaking aspen) | More Info |
Primula malacoides (Fairy primrose) | More Info |
Primula obconica (Primrose) | More Info |
Prunus cerasus (Sour cherry) | More Info |
Prunus dulcis (Sweet almond) | More Info |
Pseudoroegneria spicata (Bluebunch wheatgrass) | More Info |
Pteridum aquilinum (Bracken fern) | More Info |
Pyrus communis (Common Pear) | More Info |
Quercus chrysolepsis (Canyon live oak) | More Info |
Quercus engelmannii (Engelmann's oak) | More Info |
Quercus garryana (Garry oak, Oregon white oak) | More Info |
Ranunculus (Buttercups, Crowfoots) | More Info |
Raphanus sativus (Radish) | More Info |
Rhoeo spathacea (Oyster plant, Moses-in-a-cradle) | More Info |
Rosa (Rose) | More Info |
Rosmarinus officinalis (Rosemary) | More Info |
Rumex acetosella (Red sorrel, Common Sheep sorrel) | More Info |
Rumex crispus (Curly dock) | More Info |
Rumex obtusifolius (Bitter dock) | More Info |
Salix laevigata (Red willow, Polished willow) | More Info |
Salix lucida (Yellow willow) | More Info |
Sambucus nigra (Elderberry) | More Info |
Sarcobatus vermiculatus (Greasewood) | More Info |
Schefflera actinophylla (Umbrella tree) | More Info |
Secale cereale (Cultivated Rye) | More Info |
Shepherdia argentea (Silver buffalo berry) | More Info |
Solidago canadensis (Canadian goldenrod) | More Info |
Solidago gigantea (Late goldenrod) | More Info |
Solidago multiradiata (Goldenrod) | More Info |
Sorghum bicolor (Sorghum, Sudan grass (subsp, drummondii]) | More Info |
Sorghum halepense (Johnsongrass) | More Info |
Spinacia oleracea (Spinach) | More Info |
Sporobolus cryptandrus (Sand dropseed) | More Info |
Streptocarpus (Cape primroses) | More Info |
Suaeda moquinii (Seablite, alkall) | More Info |
Syngonium podophyllum (Nephthytis) | More Info |
Tagetes patula (French marigold) | More Info |
Taraxacum officinale (Common Dandelion) | More Info |
Thuja occidentalis (White cedar, Eastern arborvitae) | More Info |
Thuja plicata (Western cedar, Western arborvitae) | More Info |
Thymus vulgaris (Thyme) | More Info |
Tradecantia pallida (Purple queen, Purple heart) | More Info |
Trifolium pratense (Red clover) | More Info |
Trifolium repens (White clover) | More Info |
Triticum aestivum (Cultivated bread wheat) | More Info |
Tropaeolum majus (Nasturtium) | More Info |
Tsuga mertensiana (Mountain hemlock) | More Info |
Ulmus parvifolia (Chinese elm) | More Info |
Ulmus pumila (Siberian elm) | More Info |
Urochloa mutica (Para) | More Info |
Urtica dioica (Stinging nettle) | More Info |
Xanthium strumarium (Cockleburs) | More Info |
Zantedeschia (Calla lilies) | More Info |
Zea mays (Corn, Maize) | More Info |