Knowledge Library
Every approved identification in the PollyMap network rolls up into a living knowledge page. Galleries and state coverage update automatically.
pollenChenopod61 verified specimens · 1 location
moldAlternaria49 verified specimens · 1 location
pollenAsteraceae48 verified specimens · 1 location
pollenArtemisia33 verified specimens · 1 location
pollenPoaceae33 verified specimens · 1 location
pollenGrass25 verified specimens · 1 location
pollenOak21 verified specimens · 1 location
pollenUnknown21 verified specimens · 1 location
pollenPine18 verified specimens · 1 location
moldEpicoccum15 verified specimens · 1 location
moldPithomyces15 verified specimens · 1 location
fiberTextile11 verified specimens · 1 location
moldRust spore10 verified specimens
moldBipolaris/Drechslera9 verified specimens · 1 location
moldCurvularia9 verified specimens · 1 location
pollenjuniper7 verified specimens · 1 location
moldUlocladium6 verified specimens · 1 location
pollenunidentified6 verified specimens · 1 location
hairAnimal hair5 verified specimens · 1 location
moldBipolaris / Drechslera type5 verified specimens
pollenCeltis5 verified specimens
pollenCannabis4 verified specimens
fiberFiber4 verified specimens · 1 location
pollenMesquite4 verified specimens · 1 location
moldStemphylium4 verified specimens · 1 location
moldAscospore3 verified specimens · 1 location
pollenAsteraceae (low spine)3 verified specimens
moldDematiaceous ascospore3 verified specimens · 1 location
pollenElm (Ulmus)3 verified specimens · 1 location
pollenfern spore3 verified specimens
moldFungal spore3 verified specimens · 1 location
pollenHackberry3 verified specimens · 1 location
hairHair3 verified specimens · 1 location
pollenMulberry3 verified specimens · 1 location
moldSmut3 verified specimens · 1 location
pollenAcacia2 verified specimens
moldBipolaris/Drechslera-type mold spore2 verified specimens
pollenCupressaceae2 verified specimens
dustDebris2 verified specimens · 1 location
dustDust2 verified specimens
pollenEnglish plantain2 verified specimens
pollenEucalyptus2 verified specimens · 1 location
moldhelminthosporium2 verified specimens · 1 location
pollenNettle2 verified specimens · 1 location
pollenOlive2 verified specimens · 1 location
dustParticulate2 verified specimens · 1 location
pollenPine (Pinus spp.)2 verified specimens · 1 location
pollenPlantago2 verified specimens
moldPleospora2 verified specimens
moldRust teliospore2 verified specimens · 1 location
otherSkin cells2 verified specimens · 1 location
pollenSmartweed2 verified specimens
fiberTextile fiber2 verified specimens · 1 location
moldTorula2 verified specimens · 1 location
moldUnidentified Fungus2 verified specimens
moldUnknown2 verified specimens · 1 location
pollenUrticaceae2 verified specimens
dustAmorphous Dust / Debris1 verified specimen · 1 location
fiberAnimal Hair1 verified specimen · 1 location
pollenApiaceae1 verified specimen
pollenAstareceae1 verified specimen
pollenAster/Daisy (Asteraceae)1 verified specimen · 1 location
pollenAsteraceae (high spine)1 verified specimen
pollenAstereacea1 verified specimen · 1 location
pollenAstereceae1 verified specimen
pollenAstereceae (artemisia)1 verified specimen
pollenAstereceae (low spine)1 verified specimen
moldAureobasidium1 verified specimen · 1 location
moldBipolaris1 verified specimen · 1 location
moldBotryosphaeriaceae conidium (e.g., Diplodia/Lasiodiplodia)1 verified specimen · 1 location
pollenBuckwheat1 verified specimen · 1 location
pollenChenopod Amaranthus1 verified specimen
pollenCorn (Zea mays)1 verified specimen
otherDebris1 verified specimen · 1 location
moldDematiaceous1 verified specimen
dustDiatom1 verified specimen
moldDidymospore1 verified specimen · 1 location
moldDrechslera / Bipolaris1 verified specimen
dustDust / Particulate Debris1 verified specimen · 1 location
dustDust mite1 verified specimen
dustDust Mite (Acari)1 verified specimen · 1 location
dustDust Mite (Dermatophagoides sp.)1 verified specimen · 1 location
pollenElm1 verified specimen · 1 location
pollenEphedra1 verified specimen · 1 location
otherEpithelial fragments1 verified specimen · 1 location
dustEpithelial fragments1 verified specimen · 1 location
moldExserohilum1 verified specimen
pollenFabaceae1 verified specimen · 1 location
dustFern sporangium1 verified specimen · 1 location
fiberFibers1 verified specimen · 1 location
moldGrass1 verified specimen · 1 location
pollenJuniper/Cupressaceae1 verified specimen
pollenMaple1 verified specimen · 1 location
pollenMaple (Acer spp.)1 verified specimen · 1 location
pollenMormon Tea1 verified specimen · 1 location
pollenOak (Quercus)1 verified specimen · 1 location
pollenOlive (Olea) / Oleaceae1 verified specimen · 1 location
pollenPalm1 verified specimen · 1 location
pollenPalo Verde1 verified specimen · 1 location
fiberPlant Fiber1 verified specimen · 1 location
fiberPlant trichome (Stellate leaf hair)1 verified specimen · 1 location
pollenPlantain1 verified specimen · 1 location
pollenPoaeceae1 verified specimen
pollenSalix1 verified specimen · 1 location
dustSkin squames / Dander1 verified specimen · 1 location
moldSmut spores1 verified specimen
moldSmut spores (Ustilaginales)1 verified specimen · 1 location
otherSoot1 verified specimen · 1 location
dustSquamous epithelial cells (Skin flakes)1 verified specimen · 1 location
pollenSunflower family (Asteraceae)1 verified specimen
pollenSweetgum1 verified specimen · 1 location
fiberSynthetic or Cellulose Fiber1 verified specimen · 1 location
otherTextile1 verified specimen · 1 location
unknownUnidentified particle1 verified specimen
otherunknown1 verified specimen · 1 location
- Microscope image
coming soonpollenRagweed PollenAmbrosia artemisiifoliaA single ragweed plant can release a billion grains of pollen. Light, buoyant grains can travel 400+ miles, making ragweed the dominant fall allergen across America.
- Microscope image
coming soonmoldAspergillusAspergillus spp.Aspergillus spores are tiny enough to penetrate deep into the lungs. Beyond allergies, some species can cause invasive infection.
- Microscope image
coming soonmoldCladosporiumCladosporium spp.Cladosporium grows on living and dead plant material and is the dominant outdoor mold in most North American air samples.
- Microscope image
coming soonmoldPenicilliumPenicillium spp.Penicillium colonizes damp surfaces and stored food. Several species are common indoor allergens, especially in older or water-damaged homes.