+ - Absidia corymbifera (Zygomycete) Species: corymbifera Family: Genus: Absidia Type: Fungal Spores (molds)
$19 + - Acer campestre (Field Maple) Species: campestre Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer ginnala (Amur Maple) Species: ginnala Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer miyabei (Miyabe Maple) Species: miyabei Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer negundo (Boxelder) Species: negundo Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer palmatum (Japanese Maple) Species: palmatum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer platanoides (Norway Maple) Species: platanoides Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer pseudoplatanus (Sycamore Maple) Species: pseudoplatanus Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer pseudoplatanus ‘Rotterdam’ ( Rotterdam Sycamore Maple) Species: pseudoplatanus Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer psudodieboldii (Korean Maple) Species: psudodieboldii Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer rubrum (Red Maple) Species: rubrum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer rubrum ‘Firedance’ (Firedance Red Maple) Species: rubrum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer rubrum ‘Globosum’ (Dwarf Red Maple) Species: rubrum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer saccharinum ‘Weiri lacinatum’ (Silver Maple) Species: saccharinum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer saccharum (Hard maple / Sugar maple) Species: saccharum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer truncatum (Shantung Maple or Purpleblow Maple) Species: truncatum Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Acer x ‘norwegian sunset’ (Norwegian Sunset maple) Species: x 'norwegian sunset' Family: Sapindaceae Genus: Acer Type: Tree Pollen
$19 + - Aesculus glabra (Ohio Buckeye) Species: glabra Family: Sapindaceae Genus: Aesculus Type: Tree Pollen
$19 + - Aesculus sylvatica (Painted Buckeye) Species: sylvatica Family: Sapindaceae Genus: Aesculus Type: Tree Pollen
$19 + - Aesculus woelitzensis (Worlitz Horsechestnut) Species: woelitzensis Family: Sapindaceae Genus: Aesculus Type: Tree Pollen
$19 + - Aesculus x ‘carnea’ (Red Horsechestnut) Species: x 'carnea' Family: Sapindaceae Genus: Aesculus Type: Tree Pollen
$19 + - Aesculus x arnoldiana (Arnold Buckeye) Species: x arnoldiana Family: Sapindaceae Genus: Aesculus Type: Tree Pollen
$19 + - Alnus glutinosa (Black Alder / European Alder) Species: glutinosa Family: Betulaceae Genus: Alnus Type: Tree Pollen
$19 + - Alnus hirsuta (Manchurian Alder) Species: hirsuta Family: Betulaceae Genus: Alnus Type: Tree Pollen
$19 + - Alnus japonica (Japanese Alder) Species: japonica Family: Betulaceae Genus: Alnus Type: Tree Pollen
$19 + - Alnus rugosa (Speckled Alder) Species: rugosa Family: Betulaceae Genus: Alnus Type: Tree Pollen
$19 + - Alnus viridis (Green Alder) Species: viridis Family: Betulaceae Genus: Alnus Type: Tree Pollen
$19 + - Alternaria alternata (Zygomycete) Species: alternata Family: Genus: Alternaria Type: Fungal Spores (molds)
$19 + - Alternaria sp. (Zygomycete) Species: Family: Genus: Alternaria Type: Fungal Spores (molds)
$19 + - Amaranthus sp. (Love-Lies-Bleeding) Species: Family: Amaranthaceae Genus: Amaranthus Type: Weed Pollen
$19 + - Ambrosia sp. (Ragweed) Species: Family: Asteraceae Genus: Ambrosia Type: Weed Pollen
$19 + - Amelanchier laevis (Allegheny Serviceberry) Species: laevis Family: Betulaceae Genus: Amelanchier Type: Tree Pollen
$19 + - Artemisia sp. (Sagebrush) Species: Family: Asteraceae Genus: Artemisia Type: Weed Pollen
$19 + - Aspergillus chevalieri (Zygomycete) Species: chevalieri Family: Genus: Aspergillus Type: Fungal Spores (molds)
$19 + - Aspergillus niger (Zygomycete) Species: niger Family: Genus: Aspergillus Type: Fungal Spores (molds)
$19 + - Aspergillus sp. (Deuteromycota) Species: Family: Genus: Aspergillus Type: Fungal Spores (molds)
$19 + - Aspergillus vitis (Zygomycete) Species: vitis Family: Genus: Aspergillus Type: Fungal Spores (molds)
$19 + - Aspergillus wentii (Zygomycete) Species: wentii Family: Genus: Aspergillus Type: Fungal Spores (molds)
$19 + - Betula lenta (Sweet Birch) Species: lenta Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula nigra (River Birch) Species: nigra Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula occidentalis (Water Birch) Species: occidentalis Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula papyrifera (Paper Birch) Species: papyrifera Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula papyrifera ‘Renaissance Upright’ (Renaissance Upright Paper Birch) Species: papyrifera Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula pendula (European White Birch) Species: pendula Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula pendula ‘Fastigiata’ (Columnar European Birch) Species: pendula Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula platyphylla ‘Whitespire’ (Whitespire Asian Birch) Species: platyphylla Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula populifolia (Grey Birch) Species: populifolia Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula saposhnikovii (Saposhnikovii Birch) Species: saposhnikovii Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula utilis ‘jacquemontii’ (Himalayan Birch) Species: utilis Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Betula x ‘crimson frost’ (Crimson Frost Birch) Species: x 'crimson frost' Family: Betulaceae Genus: Betula Type: Tree Pollen
$19 + - Brassica kaber (Wild Mustard) Species: kaber Family: Brassicaceae Genus: Brassica Type: Weed Pollen
$19 + - Byssochlamis fulva (Ascomycete) Species: fulva Family: Genus: Byssochlamis Type: Fungal Spores (molds)
$19 + - Carya ovata (Shagbark Hickory) Species: ovata Family: Juglandaceae Genus: Carya Type: Tree Pollen
$19 + - Carya ovata ‘Holden’ (Holden's Shagbark Hickory) Species: ovata Family: Juglandaceae Genus: Carya Type: Tree Pollen
$19 + - Castanea crenata (Japanese Chestnut) Species: crenata Family: Fagaceae Genus: Castanea Type: Tree Pollen
$19 + - Castanea dentata (American Chestnut) Species: dentata Family: Fagaceae Genus: Castanea Type: Tree Pollen
$19 + - Castanea mollissima (Chinese Chestnut) Species: mollissima Family: Fagaceae Genus: Castanea Type: Tree Pollen
$19 + - Castanea sativa (European Chestnut) Species: sativa Family: Fagaceae Genus: Castanea Type: Tree Pollen
$19 + - Celtis glabrata (Spiny Hackberry) Species: glabrata Family: Cannabaceae Genus: Celtis Type: Tree Pollen
$19 + - Celtis occidentalis (Common Hackberry) Species: occidentalis Family: Cannabaceae Genus: Celtis Type: Tree Pollen
$19 + - Celtis tournefortii (Oriental Hackberry) Species: tournefortii Family: Cannabaceae Genus: Celtis Type: Tree Pollen
$19 + - Cercidiphyllum japonicum (Katsura Tree) Species: japonicum Family: Cercidiphyllaceae Genus: Cercidiphyllum Type: Tree Pollen
$19 + - Cercis canadensis (Eastern Redbud) Species: canadensis Family: Fabaceae Genus: Cercis Type: Tree Pollen
$19 + - Coprinus sp. (Basidiomycete) Species: Family: Genus: Coprinus Type: Fungal Spores (molds)
$19 + - Corylus americana (American Hazel) Species: americana Family: Betulaceae Genus: Corylus Type: Tree Pollen
$19 + - Corylus avellana ‘Atropurpurea’ (Purple Hazelnut) Species: avellana Family: Betulaceae Genus: Corylus Type: Tree Pollen
$19 + - Corylus avellana ‘Aurea’ (Golden Hazelnut) Species: avellana Family: Fagales Genus: Corylus Type: Tree Pollen
$19 + - Corylus avellana ‘contorta’ (Corkscrew Hazel) Species: avellana Family: Fagales Genus: Corylus Type: Tree Pollen
$19 + - Corylus avellana ‘heterophylla’ (Cutleaf Hazel) Species: avellana Family: Fagales Genus: Corylus Type: Tree Pollen
$19 + - Corylus cornuta (Beaked Hazel) Species: cornuta Family: Fagales Genus: Corylus Type: Tree Pollen
$19 + - Corylus x gordon 4 (Hazelbert) Species: x gordon 4 Family: Fagales Genus: Corylus Type: Tree Pollen
$19 + - Crataegus champlainensis (Champlain Hawthorn) Species: champlainensis Family: Rosaceae Genus: Crataegus Type: Tree Pollen
$19 + - Crataegus punctata (Dotted Hawthorn) Species: punctata Family: Rosaceae Genus: Crataegus Type: Tree Pollen
$19 + - Crataegus sp. Species: Family: Rosaceae Genus: Crataegus Type: Tree Pollen
$19 + - Crataegus submollis (Quebec Hawthorn) Species: submollis Family: Rosaceae Genus: Crataegus Type: Tree Pollen
$19 + - Daucus carota (Wild Carrot) Species: carota Family: Apiaceae Genus: Daucus Type: Weed Pollen
$19 + - Dirca palustris (Eastern Leatherwood) Species: palustris Family: Thymelaeaceae Genus: Dirca Type: Tree Pollen
$19 + - Emericella nidulans (Zygomycete) Species: nidulans Family: Genus: Emericella Type: Fungal Spores (molds)
$19 + - Epicoccum nigrum (Zygomycete) Species: nigrum Family: Genus: Epicoccum Type: Fungal Spores (molds)
$19 + - Epicoccum sp. (Deuteromycota) Species: Family: Genus: Epicoccum Type: Fungal Spores (molds)
$19 + - Equisetum arvense (Horsetail) Species: Family: Equisetaceae Genus: Equisetum Type: Weed Pollen
$19 + - Eurotium amstelodami (Zygomycete) Species: amstelodami Family: Genus: Eurotium Type: Fungal Spores (molds)
$19 + - Eurotium chevalieri (Zygomycete) Species: chevalieri Family: Genus: Eurotium Type: Fungal Spores (molds)
$19 + - Euthamia graminifolia (Narrow-Leaf Goldenrod) Species: graminifolia Family: Asteraceae Genus: Euthamia Type: Weed Pollen
$19 + - Fagus grandifolia (American Beech) Species: grandifolia Family: Fagaceae Genus: Fagus Type: Tree Pollen
$19 + - Forsythia x ‘Northern Gold’ (Northern Gold Forsythia) Species: x 'Northern Gold' Family: Oleaceae Genus: Forsythia Type: Tree Pollen
$19 + - Fraxinus americana ‘Waverley’ (Waverley Ash) Species: americana Family: Salicaceae Genus: Fraxinus Type: Tree Pollen
$19 + - Fraxinus excelsior globosa (Globe Ash) Species: excelsior Family: Salicaceae Genus: Fraxinus Type: Tree Pollen
$19 + - Fraxinus excelsior jaspidea (Jaspidea European Ash) Species: excelsior Family: Salicaceae Genus: Fraxinus Type: Tree Pollen
$19 + - Fraxinus pennsylvanica (Green Ash) Species: pennsylvanica Family: Salicaceae Genus: Fraxinus Type: Tree Pollen
$19 + - Fusarium culmorum Species: culmorum Family: Genus: Fusarium Type: Fungal Spores (molds)
$19 + - Geotrichum sp. (Zygomycete) Species: Family: Genus: Geotrichum Type: Fungal Spores (molds)
$19 + - Gramineae (Grass) Species: Family: Poaceae Genus: Gramineae Type: Grass Pollen
$19 + - Juglans ailantifolia (Siebold Walnut) Species: ailantifolia Family: Juglandaceae Genus: Juglans Type: Tree Pollen
$19 + - Juglans cinerea (Butternut) Species: cinerea Family: Juglandaceae Genus: Juglans Type: Tree Pollen
$19 + - Juglans hybrid (Hybrid Walnut) Species: Family: Juglandaceae Genus: Juglans Type: Tree Pollen
$19 + - Juglans nigra (Black Walnut) Species: nigra Family: Juglandaceae Genus: Juglans Type: Tree Pollen
$19 + - Juglans stenocarpa (Narrow-fruited Walnut ) Species: stenocarpa Family: Juglandaceae Genus: Juglans Type: Tree Pollen
$19 + - Larix decidua (European Larch) Species: decidua Family: Pinaceae Genus: Larix Type: Tree Pollen
$19 + - Larix decidua F. pendula (Weeping European Larch) Species: decidua Family: Pinaceae Genus: Larix Type: Tree Pollen
$19 + - Larix kaempferi (Japanese Larch) Species: kaempferi Family: Pinaceae Genus: Larix Type: Tree Pollen
$19 + - Larix sibirica (Siberian Larch) Species: sibirica Family: Pinaceae Genus: Larix Type: Tree Pollen
$19 + - Laurus sp. (Laurel tree) Species: Family: Lauraceae Genus: Laurus Type: Tree Pollen
$19 + - Linaria vulgaris (Toadflex) Species: vulgaris Family: Plantaginaceae Genus: Linaria Type: Weed Pollen
$19 + - lycopodium sp. (Club Moss) Species: Family: Genus: lycopodium Type: Ferns
$19 + - Lythrum salicaria (Purple Loosestrife) Species: salicaria Family: Lythraceae Genus: Lythrum Type: Weed Pollen
$19 + - Magnolia sp. Species: Family: Magnoliaceae Genus: Magnolia Type: Tree Pollen
$19 + - Magnolia stellata (Star Magnolia) Species: stellata Family: Magnoliaceae Genus: Magnolia Type: Tree Pollen
$19 + - Malus ‘Royal Brangam’ (Royal Brangam Apple) Species: domestica Family: Rosaceae Genus: Malus Type: Tree Pollen
$19 + - Malus sieboldii (Toringo Crabapple) Species: sieboldii Family: Rosaceae Genus: Malus Type: Tree Pollen
$19 + - Malus sieboldii var. arborescens (Toringo Crabapple) Species: sieboldii Family: Rosaceae Genus: Malus Type: Tree Pollen
$19 + - Malus sp. Species: Family: Rosaceae Genus: Malus Type: Tree Pollen
$19 + - Medicago sativa (Alfalfa) Species: sativa Family: Fabaceae Genus: Medicago Type: Weed Pollen
$19 + - Melilotus alba (Sweet White Clover) Species: alba Family: Fabaceae Genus: Melilotus Type: Weed Pollen
$19 + - Morus alba (White Mulberry) Species: alba Family: Moraceae Genus: Morus Type: Tree Pollen
$19 + - Morus alba ‘Chaparral’ (Chaparral Weeping Mulberry) Species: alba Family: Moraceae Genus: Morus Type: Tree Pollen
$19 + - Morus alba ‘pendula’ (Weeping Mulberry) Species: alba Family: Moraceae Genus: Morus Type: Tree Pollen
$19 + - Mucor plumbeus (Zygomycete) Species: plumbeus Family: Genus: Mucor Type: Fungal Spores (molds)
$19 + - Neosartorya fischeri (Ascomycete) Species: fischeri Family: Genus: Neosartorya Type: Fungal Spores (molds)
$19 + - Ostrya virginiana (American Hophornbeam) Species: virginiana Family: Betulaceae Genus: Ostrya Type: Tree Pollen
$19 + - Penicillium citrinum (Zygomycete) Species: citrinum Family: Genus: Penicillium Type: Fungal Spores (molds)
$19 + - Penicillium glabrum (Zygomycete) Species: glabrum Family: Genus: Penicillium Type: Fungal Spores (molds)
$19 + - Picea abies (Norway Spruce) Species: abies Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Picea asperata (Dragon Spruce) Species: asperata Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Picea engelmannii (Engelmann Spruce) Species: engelmannii Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Picea glauca (White Spruce) Species: glauca Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Picea obuvata var. alpestris (Alpine Siberian Spruce) Species: obuvata Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Picea rubens (Red Spruce) Species: rubens Family: Pinaceae Genus: Picea Type: Tree Pollen
$19 + - Pinus banksiana (Jack Pine) Species: banksiana Family: Pinaceae Genus: Pinus Type: Tree Pollen
$19 + - Pinus resinosa (Red Pine) Species: resinosa Family: Pinaceae Genus: Pinus Type: Tree Pollen
$19 + - Pinus rigida (Pitch Pine) Species: rigida Family: Pinaceae Genus: Pinus Type: Tree Pollen
$19 + - Pinus sylvestris (Scots Pine) Species: sylvestris Family: Pinaceae Genus: Pinus Type: Tree Pollen
$19 + - Plantago lanceolata (Narrow-Leaved Plantain) Species: lanceolata Family: Plantaginaceae Genus: Plantago Type: Weed Pollen
$19 + - Plantago major (Broad-Leaf Plantain) Species: Family: Plantaginaceae Genus: Type: Weed Pollen
$19 + - Platanus occidentalis (American Sycamore) Species: occidentalis Family: Platanaceae Genus: Platanus Type: Tree Pollen
$19 + - Populus canascens ‘Tower’ (Tower Poplar) Species: canascens Family: Salicaceae Genus: Populus Type: Tree Pollen
$19 + - Populus deltoides (Eastern Cottonwood) Species: deltoides Family: Salicaceae Genus: Populus Type: Tree Pollen
$19 + - Populus nigra ‘Nolestii’ (Black Poplar) Species: nigra Family: Salicaceae Genus: Populus Type: Tree Pollen
$19 + - Populus x canadensis ‘Robusta’ (Robusta Poplar) Species: x canadensis Family: Salicaceae Genus: Populus Type: Tree Pollen
$19 + - Populus x canadensis ‘Serotina’ (Black Italian Poplar) Species: x canadensis Family: Salicaceae Genus: Populus Type: Tree Pollen
$19 + - Prunus nigra (Canadian Plum) Species: nigra Family: Rosaceae Genus: Prunus Type: Tree Pollen
$19 + - Prunus padus (Mayday tree) Species: padus Family: Rosaceae Genus: Prunus Type: Tree Pollen
$19 + - Prunus sp. Species: Family: Rosaceae Genus: Prunus Type: Tree Pollen
$19 + - Prunus virginiana (Choke Cherry) Species: virginiana Family: Rosaceae Genus: Prunus Type: Tree Pollen
$19 + - Pseudotsuga menzesii (Douglas Fir) Species: menzesii Family: Pinaceae Genus: Pseudotsuga Type: Tree Pollen
$19 + - Pterocarya rhoifolia (Japanese Wingnut) Species: rhoifolia Family: Juglandaceae Genus: Pterocarya Type: Tree Pollen
$19 + - Pyrus calleryana ‘Redspire’ (Redspire Pear) Species: calleryana Family: Rosaceae Genus: Pyrus Type: Tree Pollen
$19 + - Quercus bicolor (Swamp White Oak) Species: bicolor Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus coccinea (Scarlet Oak) Species: coccinea Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus dentata (Daimy Oak) Species: dentata Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus ellipsoidalis (Northern Pin Oak) Species: ellipsoidalis Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus gambelii (Arizona Oak) Species: gambelii Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus imbricaria (Shingle Oak) Species: imbricaria Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus macrocarpa (Bur Oak) Species: macrocarpa Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus michauxii (Swamp Chestnut Oak) Species: michauxii Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus muhlenbergii (Yellow Chestnut Oak) Species: muhlenbergii Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus palustris (Pin Oak) Species: palustris Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus prinus (Basket Oak) Species: prinus Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus robur (English Oak) Species: robur Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus rubra (Red Oak) Species: rubra Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus shumardii (Shumard Oak) Species: shumardii Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus sp. Species: Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Quercus x bebbiana (Bebb's Oak) Species: x bebbiana Family: Fagaceae Genus: Quercus Type: Tree Pollen
$19 + - Rheum sp. (Rhubarb) Species: Family: Polygonaceae Genus: Rheum Type: Weed Pollen
$19 + - Rhizopus oligosporus (Zygomycete) Species: oligosporus Family: Genus: Rhizopus Type: Fungal Spores (molds)
$19 + - Rhizopus orizae (Zygomycete) Species: orizae Family: Genus: Rhizopus Type: Fungal Spores (molds)
$19 + - Robinia pseudoacacia (Black Locust, False Acacia) Species: pseudoacacia Family: Fagaceae Genus: Robinia Type: Tree Pollen
$19 + - Rumex sp. (Dock) Species: Family: Polygonaceae Genus: Rumex Type: Weed Pollen
$19 + - Saccharomyces cerevisiae (Ascomycete/Zygomycete) Species: cerevisiae Family: Genus: Saccharomyces Type: Fungal Spores (molds)
$19 + - Salix alba var. Sericea (Silver Willow) Species: alba Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix caprea (Goat Willow) Species: caprea Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix caprea ‘Kilmarnock’ (Weeping Goat Willow) Species: caprea Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix caprea ‘pendula’ (Weeping Pussy Willow) Species: caprea Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix cinerea (Grey Willow) Species: cinerea Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix cinerea ‘Variegata’ (Large Grey Willow) Species: cinerea Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix eriocephala (Diamond Willow) Species: eriocephala Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix fragilis (Crack Willow) Species: fragilis Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix pentandra (Bay Willow) Species: pentandra Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix rondo var. Manchoukud (Round Manchukuo Willow) Species: rondo Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix tiandra (Almond Willow) Species: tiandra Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix x ‘Red Rocket’ (Red Rocket Willow) Species: x 'Red Rocket' Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Salix x sepulcralis (Golden Weeping Willow) Species: x sepulcralis Family: Salicaceae Genus: Salix Type: Tree Pollen
$19 + - Sambucus sp. Species: Family: Adoxaceae Genus: Sambucus Type: Tree Pollen
$19 + - Scopulariopsis candida (Zygomycete) Species: candida Family: Genus: Scopulariopsis Type: Fungal Spores (molds)
$19 + - Setaria glauca (Yellow Foxtail) Species: glauca Family: Poaceae Genus: Setaria Type: Grass Pollen
$19 + - Setaria viridis (Green Foxtail) Species: viridis Family: Poaceae Genus: Setaria Type: Grass Pollen
$19 + - Solidago canadensis (Canadian Goldenrod) Species: canadensis Family: Asteraceae Genus: Solidago Type: Weed Pollen
$19 + - Solidago rugosa (Rough Goldenrod) Species: rugosa Family: Asteraceae Genus: Solidago Type: Weed Pollen
$19 + - Solidago sp. (Goldenrod) Species: Family: Asteraceae Genus: Solidago Type: Weed Pollen
$19 + - Sonchus arvensis (Perennial Sowthistle) Species: arvensis Family: Asteraceae Genus: Sonchus Type: Weed Pollen
$19 + - Sorbus sp. Species: Family: Rosaceae Genus: Sorbus Type: Tree Pollen
$19 + - Sorbus x thuringiaca (Oakleaf Mountain Ash) Species: x thuringiaca Family: Rosaceae Genus: Sorbus Type: Tree Pollen
$19 + - Sporobolomyces roseus (Ascomycete/Zygomycete) Species: roseus Family: Genus: Sporobolomyces Type: Fungal Spores (molds)
$19 + - Staphylea bumalda (Japanese Bladdernut) Species: bumalda Family: Staphyleaceae Genus: Staphylea Type: Tree Pollen
$19 + - Staphylea trifolia (American Bladdernut) Species: trifolia Family: Staphyleaceae Genus: Staphylea Type: Tree Pollen
$19 + - Syncephalastrum racemosum (Zygomycete) Species: racemosum Family: Genus: Syncephalastrum Type: Fungal Spores (molds)
$19 + - Syringa vulgaris ‘Hugo Koster’ (Hugo Koster Common Lilac) Species: vulgaris Family: Oleaceae Genus: Syringa Type: Tree Pollen
$19 + - Tanacetum vulgare (Common Tansy) Species: vulgare Family: Asteraceae Genus: Type: Weed Pollen
$19 + - Taraxacum officinale (Dandelion) Species: officinale Family: Asteraceae Genus: Taraxacum Type: Weed Pollen
$19 + - Tilia cordata ‘Greenspire’ (Greenspire Littleleaf Linden) Species: cordata Family: Malvaceae Genus: Tilia Type: Tree Pollen
$19 + - Tilia x euchlora (Crimean Linden) Species: x euchlora Family: Malvaceae Genus: Tilia Type: Tree Pollen
$19 + - Trichoderma sp. (Zygomycete) Species: Family: Genus: Trichoderma Type: Fungal Spores (molds)
$19 + - Trichoderma viride (Zygomycete) Species: viride Family: Genus: Trichoderma Type: Fungal Spores (molds)
$19 + - Trifolium repensis (White Clover) Species: repensis Family: Fabaceae Genus: Trifolium Type: Weed Pollen
$19 + - Trifolium pratense (Red Clover) Species: pratense Family: Fabaceae Genus: Trifolium Type: Weed Pollen
$19 + - Tsuga canadensis (Eastern Hemlock) Species: canadensis Family: Pinaceae Genus: Tsuga Type: Tree Pollen
$19 + - Typha sp. (Cattail) Species: Family: Typhaceae Genus: Typha Type: Weed Pollen
$19 + - Ulmus ‘Coolshade’ (Coolshade Elm) Species: Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus ‘Homestead’ (Homestead Elm) Species: Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus glabra ‘camperdownii’ (Camperdown Elm) Species: glabra Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus pumila (Siberian Elm) Species: pumila Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus pumila ‘Clipped Globe’ (Clipped Globe Elm) Species: pumila Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus sapporo ‘Autumn Gold’ (Sapporo Autumn Gold Elm) Species: sapporo Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus wilsonii ‘Prospector’ (Prospector Elm) Species: wilsonii Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulmus x hollandica ‘Pioneer’ (Pioneer Elm) Species: x hollandica Family: Ulmaceae Genus: Ulmus Type: Tree Pollen
$19 + - Ulocladium chartarum (Zygomycete) Species: chartarum Family: Genus: Ulocladium Type: Fungal Spores (molds)
$19 + - Ulocladium sp. (Deuteromycota) Species: Family: Genus: Ulocladium Type: Fungal Spores (molds)
$19 + - Urtica angustifolia (Narrowleaf Nettle) Species: angustifolia Family: Urticaceae Genus: Urtica Type: Weed Pollen
$19 + - Urtica sp. (Nettles) Species: Family: Urticaceae Genus: Urtica Type: Weed Pollen
$19 + - Wallemia sebi (Zygomycete) Species: sebi Family: Genus: Wallemia Type: Fungal Spores (molds)
$19 + - Zygorhynchus molleri (Zygomycete) Species: molleri Family: Genus: Zygorhynchus Type: Fungal Spores (molds)
$19