Knowledge Library
Every approved identification in the PollyMap network rolls up into a living knowledge page. Galleries, locations and seasonality update automatically.
pollenChenopod21 verified specimens · 4 locations
pollenOak21 verified specimens · 5 locations
pollenPoaceae15 verified specimens · 2 locations
moldAlternaria11 verified specimens · 4 locations
pollenAsteraceae11 verified specimens · 3 locations
pollenGrass11 verified specimens · 4 locations
pollenPine11 verified specimens · 4 locations
moldEpicoccum9 verified specimens · 4 locations
pollenJuniper7 verified specimens · 3 locations
moldPithomyces7 verified specimens · 4 locations
pollenArtemisia6 verified specimens
moldCurvularia6 verified specimens · 2 locations
pollenunidentified6 verified specimens · 4 locations
moldBipolaris/Drechslera5 verified specimens · 1 location
pollenCeltis4 verified specimens
moldUlocladium4 verified specimens · 2 locations
pollenElm (ulmus)3 verified specimens · 1 location
pollenfern spore3 verified specimens
pollenHackberry3 verified specimens · 2 locations
pollenMulberry3 verified specimens · 3 locations
pollenUnknown3 verified specimens · 1 location
pollenEucalyptus2 verified specimens · 2 locations
moldFungal Spore2 verified specimens · 1 location
pollenMesquite2 verified specimens · 2 locations
pollenNettle2 verified specimens · 1 location
pollenOlive2 verified specimens · 1 location
pollenPine (Pinus spp.)2 verified specimens · 2 locations
moldRust teliospore2 verified specimens · 1 location
otherSkin cells2 verified specimens · 1 location
pollenSmartweed2 verified specimens
moldSmut2 verified specimens
moldunidentified fungus2 verified specimens
dustAmorphous Dust / Debris1 verified specimen · 1 location
fiberAnimal Hair1 verified specimen · 1 location
moldAscospore1 verified specimen · 1 location
pollenAster/Daisy (Asteraceae)1 verified specimen · 1 location
pollenAstereacea1 verified specimen · 1 location
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 · 1 location
dustDebris1 verified specimen · 1 location
moldDematiaceous ascospore1 verified specimen · 1 location
moldDidymospore1 verified specimen · 1 location
dustDust / Particulate Debris1 verified specimen · 1 location
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
moldExserohilum1 verified specimen
pollenFabaceae1 verified specimen · 1 location
dustFern sporangium1 verified specimen · 1 location
fiberFiber1 verified specimen · 1 location
moldGrass1 verified specimen · 1 location
moldhelminthosporium1 verified specimen · 1 location
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
moldStemphylium1 verified specimen · 1 location
pollenSunflower family (Asteraceae)1 verified specimen · 1 location
pollenSweetgum1 verified specimen · 1 location
fiberSynthetic or Cellulose Fiber1 verified specimen · 1 location
fiberTextile1 verified specimen · 1 location
otherTextile1 verified specimen · 1 location
moldTorula1 verified specimen · 1 location
moldUnknown1 verified specimen · 1 location
moldUnknown dematiaceous fungal spore1 verified specimen
dustUnknown Dust/Soot1 verified specimen · 1 location
pollenUnknown Pollen (possibly Grass/Poaceae)1 verified specimen · 1 location
pollenWalnut1 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.