sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.

A

Abies balsamea (Balsum Fir) Wood Sections
Abies lasiocarpus Pollen
Abrasives Emery Pumice
Abrasive Wear
Acer saccharum (Sugar Maple) Wood Sections
Acetate Fiber, Chromspun
Acrylian Acrylic Fiber
Acrylic Fiber
Acrylic Fiber,Acrylian
Acrylic Fiber,Orlon
Actinolite Asbestos
Acoustic Ceiling Tile
Adenostoma sparsifolium Ash
Adiantum pedatum (Maidenhair Fern) Spore
Aerosols
Agglomerates
Agglomerates, Cleaning
Agglomerates, HVAC
Agglomerates, Wet Road Wet Road Agglomerate
Airborne Algae
Alaea
Alder Ash
Alder Pollen
Algae
Alpaca Hair
Alpine Fir Pollen
Alternaria
Aluminum 356 Casting Alloy Weld in 356 Cast Aluminum
Aluminum Corrosion Products
Aluminum, Microcrystalline Test For
Aluminum Oxide
Ambient Aerosols
Ammonium, Microcrystalline Test For
Ammonium Chloroplatinate Ammonium Chloroplatinate
Ammonium Phosphate Monobasic
Amoeba, Arcella vulgaris
Amoeba, Centropyxis aculeata
Amoeba, Euglypha
Amoeba, Thecamoeba
Amosite Asbestos
Anatidae Feather Barbules
Andalusite
Anemone Pollen
Angora Goat Hair (Mohair)
Angora Rabbit Hair
Animal Hair
Anisotropic Fibers
Ant Moisture Ant Head and Mandible
Anthophyllite Asbestos
Apparent Birefringence
Apple Pollen
Aramid Fiber, Kevlar and Nomex
Arc Spheres
Arfvedisonite, Fibrous Mineral
Arcella vulgaris, Testate Amoeba
Arnica Pollen
Arrowroot Starch
Asbestos
Asbestos Sand
Ascotricha/Dicyma
Ash
Aspergillus, Fungus
Asphalt Particles
Assemblage Analysis Key
Asterionella, Diatom
ASTM D-1275B
Aulacoseira, Diatom
Australian Honey Pollen
Auto Body Shop Environment Body Shop Particles

B

Bacteria
Bag Cell
Baking Soda (Sodium Bicarbonate)
Balsamroot Pollen
Balsum Poplar Wood
Bamboo Microstructure
Bamboo Textile Fiber
Banana Starch
Barbed Particles
Barberry Pollen
Barley Starch
Barbules, Bird Feather
Bat Feces and Contents
Bat Hair
Bear Hair
Beaver Hair
Bee Frass
Bee Pollen (Macro Only) Pollen Packets
Bee Pollen Bee Pollen, China
Bee Pollen, Tallinn, Estonia
Bee Pollen, Palleau, France
Bee Pollen, Los Palmas, Paraguay
Bee Pollen, Florence, Oregon
Berberis Pollen
Betula papyrifera, Wood Sections
Betula Pollen
Biaxial Interference Figure Biaxial Interference Figure
Biddulphia Diatoms
Biofilms in Water
Biologicals
Birch Pollen
Bird dander
Bird Feather Barbules Sacred Dove (Columbidae)
Black Cherry Wood
Black Mountain Huckleberry Pollen
Black Particles, How to Identify
Blackberry Pollen
Black Particles, Key
Black Particles from Combustion
Black Particles Not from Combustion
Black Particles In Homes
Blown-in Cellulose Insulation Fiber
Blue Jay Feather Barbules
Bone
Bracken Fern (Pteridium) Spore
Brass Scuffing Wear
Brazing Alloy
Brown Bear Hair
Brush Fire Dust
Burned Clay
Bushing Failure
Buteoninae Feather Barbules
Buttercup (Ranunculus occidentalis) Pollen
Butterfly Scales Butterfly Scales

C

Calcium Oxalate Phytoliths
. . . Acer macrophyllum (Bigleaf Maple)
. . . Adenostoma sparsiflolium (Redshanks)
. . . Amelanchier alnifolia (Service Berry)
. . . Cercocarpus intricatus (Mountain Mahogany)
. . . Chrysothamnus nauseosus (Rabbitbush)
. . . Crataegus douglasii (Hawthorn)
. . . Encelia farinosa (Brittlebush)
. . . Holodiscus discolor (Ocean Spray)
. . . Larix occidentalis (Western Larch)
. . . Larrea tridentata (Creosote Bush)
. . . Pinus ponderosa (Ponderosa Pine)
. . . Platanus wrightii (Arizona Sycamore)
. . . Populus deltoides (Cottonwood)
. . . Pseudotsuga menziesii (Douglas Fir)
. . . Quercus turbinella (Shrub Live Oak)
. . . Rheum rhaponticum (Rhubarb)
. . . Rhus integrifolia (Lemonade Sumac)
. . . Rosa nutkana (Wild Rose)
. . . Rumex crispus (Curled Dock)
. . . Symphoricarpus albus (Snowberry)
Camas Pollen
Camel Hair
Candle Soot
Capillitium Slime Mold Capillitium
Carbon Fiber
Carbon Fiber Composites
Carbon Fiber Composite Shop Environments
Carbon Fiber Composite, Thin Section
Carbonless Copy Paper Fiber
Carborundum
Caribou Hair
Carpet Beetle
Carpet Deodorizer
Carpet Freshener
Cat Hair
Cat Hair, Tabby
Catalpa Pollen
Cedar,Eastern
Ceiling Tile Glass Fiber
Cellular Particles
Celtus occidentalus (Hackberry) Wood Sections
Cement Clinker
Cenospheres
Centrales, Diatoms
Centropyxis aculeata, Testate Amoeba
Charred Drain Pipe
Charred Fibers
Charred Grass
Charred Leaf
Charred Paint
Charred Paper
Charred Paper Fiber
Charred Wood
Chaetomium Spores and Hyphaesetae
Chelifer cancroides, Pseudoscorpion Pseudoscorpion
Chemical Microscopy
. . . Aluminum Microcrystal Test
. . . Ammonium Microcrystal Test
. . . Calcium Microcrystal Test
. . . Chlorine Microcrystal Test
. . . Copper Microcrystal Test
. . . Lead Microcrystal Test
. . . Magnesium Microcrystal Test
. . . Manganese Microcrystal Test
. . . Phosphate Microcrystal Test
. . . Potassium Microcrystal Test
. . . Sodium Microcrystal Test
. . . Sulfur (Reduced) Test
. . . Sulfate Microcrystal Test
. . . Zinc Microcrystal Test
Cherry Pollen
Chicken Feather Barbules
Chinchilla Hair
Chipmunk Hair
Chromspun Acetate Fiber
Chrysotile Asbestos
Chrysotile Asbestos, Low Refractive Index
Chrysotile Asbestos, Negative Sign of Elongation
Cirsium (Thistle) Pollen
Cigarette Ash
Civit Cat (American Ring-Tailed Cat)
Cladophoria Algae
Clay Fibers
Clay Films Clay Film from Water
Claytonia lanceolata (Spring Beauty) Pollen
Cleaning Agglomerates
Cleaning Residue
Clothing Fiber
Clover Pollen
Clover, Red (Trifolium pretense) Pollen
Clover, Yellow (Trifolium minus) Pollen
Clover, Yellow Sweet (Melilotus officinalis) Pollen
Clover, White (Trifolium repens) Pollen
Coleps, Ciliate
Coal Dust
Columbidae Feather Barbules
Composite Shop Environments
Concrete Dust
Construction Residues
Copper Arc Debris
Copper Reduction
Copper Smelter Slag
Copper "Trees"
Copy Machine Toner
Corn Starch
Corrosive Sulfur Testing
Corundum
Corvidae Feather Barbules
Cosmetics Cosmetics
Cotton
Crocidolite Asbestos
Crow Feather Barbules
Crystals (particles that often appear as well defined crystals)
Cubicle Divider Glass Fiber
Cuticle Patterns on Hair
Cyan Dye
Cyclotella
Cytisus scoparius (Scotch Broom) Pollen

D

Dampwood Termite Frass
Dandelion (Taraxacum officinale) Pollen
Dander
Dander, Human
Deer Bone Deer Bone, Tibia
Deer (FAMILY: Cervidae) Hair
Degraded Paper
Dermestidae, Carpet Beetle Adult Carpet Beetle
Demodex Mite
Diatomaceous Earth
Diatoms
Diatoms, Lake Washington, Washington State
Diffuser Particles
Dinosuar Bone Dinosaur Bone
Dispersion Staining
Dispersion Staining Colors
Dog Dander
Dog Debris
Dog Hair
Dollar Bill Ink
Douglas Fir
Douglas Fir Ash
Dry-Erase Ink Dust
Duck Feather Barbules
Dynel

E

Echinate Pollen Echinate Pollen
Efflorescence
Egg, Flea
Egg, Mite
Elaters
Electro-Static Discharge Failure
Elk Hair
Elm (Ulmus thomasii) Wood Sections
Emery
Enstatite Enstatite Enstatite Enstatite
Equisetum spp. Pollen Pollen
Erionite
Eucalyptus Pollens
Euglypha

F

False Box Pollen
False Solomon's Seal Pollen
Feather Barbules
. . . Duck (Anatidae)
. . . Red Tail Hawk (Buteoninae)
. . . Cockatiel (Cacatuidae)
. . . Dove (Columbidae)
. . . Pigeon (Columbidae)
. . . Blue Jay (Corvidae)
. . . Crow (Corvidae)
. . . Stellar Jay (Corvidae)
. . . House Finch (Fringilidae)
. . . Pheasant (Phasianidae)
. . . Parakeet (Psittacidae)
. . . Hummingbird (Trochilidae)
. . . Robin (Turdidae)
. . . Varied Thrush (Turdidae)
Feather Barbule Villi
Fecal Material in Homes
Fecal Pellets (Frass), Carpet Beetle
Fecal Pellets (Frass), Dampwood Termite
Fecal Pellets (Frass), Flea
Fecal Pellets (Frass), Fly
Fecal Pellets (Frass), Honeybee
Fecal Pellets (Frass), Insect
Fecal Pellets (Frass), Mite
Feldspar
Fern Sporangium
Fern Spores Fern Spore Deer Fern Spore
Ferret Hair
Ferrocerium Alloy
Fiberglass
Fibers
Fibers, Anisotropic
Fibers, Insect, Silk
Fibers, Isotropic
Fibers, Plant Cotton
Fibers, Textile
Fibrous Clay
Fibrous Minerals
Fibrous Talc
Films, Biofilms
Films, Clay
Films in Water
Fingernail Filings
Fir (Abies balsamea) Wood Sections
Fire Debris Particles
. . . Apartment Fire Debris Particles
. . . Wildfire Debris Particles
. . . . . . General
. . . . . . California Chaparral
. . . . . . . . . Sand Fire, 2016
. . . . . . Washington Forestfire
. . . Kitchen Grease Fire Debris Particles
. . . Modern Log Home Fire Debris Particles
. . . Hay Fire Debris Particles
Flake Particles
Flashover Bushing Failure
Flax
Flea
Flea Egg
Flea Foot
Flea Frass (Fecal Pellets) Flea Frass
Flea Larva
Flea Leg
Flint Bar
Floor Resurfacing, Vinyl
Floral Foam
Flyash
Fly Frass
Fly Speck
Fly Wing Fly Wing
Foam
Forest Fire Smoke/Dust
Foraminifera
Fox Hair
Fragaria vesca (Wild Strawberry) Pollen
Frass (Fecal Pellets), Flea
Frass (Fecal Pellets), Fly
Frass (Fecal Pellets), Honeybee
Frass (Fecal Pellets), Termite
Freshwater Sponge Spicules
Fringilidae Feather Barbules
Fuel Line Failure, Metal Braid with Teflon Liner ESD Damage
Fungal Debris
Fungal Spores

G

Garnet
Geranium Pollen
Ghosting
Gillionella
Glass Fiber
Glass Fiber, Acoustic Ceiling Tile
Glass Fiber, Blanket Insulation
Glass Fiber, Blown-in Insulation
Glass Fiber, Cubicle Divider
Glass Fiber, HVAC System
Glass Fiber, Identifying
Glass Fiber, Thermally Modified
Glass Fiber, Space Shuttle Tile Insulation
Glass Fiber, Workstation Partition
Glospan, Spandex
Goat Hair
Goethite Goethite Rust
Golden Web Spider Silk
Grand Turk Beach Sand
Graphite
Graphite Dust
Grass Pollen
Guide to Particle Identification
Guide to Transformer Oil Particle Identification
Guinea Pig Hair

H

Hackberry (Celtus occidentalus) Wood Sections Hackberry
Hair, Cuticle Patterns
Hair (Insect)
Hair (Mammal)
. . . Alpaca
. . . Angora Rabbit
. . . Brown Bear
. . . Bat
. . . Camel
. . . Caribou Family (FAMILY: Cervidae)
. . . Cat
. . . Chinchilla
. . . Cow
. . . Cuticle Patterns
. . . Deer Family (FAMILY: Cervidae)
. . . Dog
. . . Elk Family (FAMILY: Cervidae)
. . . Ferret
. . . Goat
. . . Guinea Pig
. . . Horse
. . . Human Human Hair
. . . Llama
. . . Mammoth
. . . Mink
. . . Moose Family (FAMILY: Cervidae)
. . . Mouse
. . . Muskrat
. . . Opossum
. . . Otter
. . . Pet
. . . Rabbit
. . . Raccoon
. . . Rat
. . . Seal
. . . Squirrel
Hair, Mite
Hair (Plant)
Hair, Plant Verbascum thapsus Hair
Halotrichite
Hawaiian Pollen
Heat-Treat Scale
Hematite
Hematite Colored Particles
Hemlock, Eastern
Hemp Fiber
Holly, American (Ilex opaca) Wood Sections
Honey Pollens, Australia
Honey Pollens, California Cactus
Honey Pollens, Canada
Honey Pollens, Hawaii
Honey Pollens, Swedish
Honey Pollens, Washington State, USA
. . . Washington State Blackberry Honey Pollen
. . . Washington State Blueberry Honey Pollen
. . . Washington State Clover Honey Pollen
. . . Washington State Sage Honey Pollen
Wax Crystals from Honey
Honeybee Frass
Honeysuckle Pollen
Hornblende Hornblende
Horse Hair
Horsetail Pollen
House Dust
House Finch Feather Barbules
House Fire Particles
House Pseudoscorpion
House Scorpion
HSE/NPL Phase Contrast Standard Slide
Human Dander (Skin Flakes)
Human Hair
Hummingbird Feather Barbules
Humus
HVAC Agglomerates HVAC Agglomerate
Hydralic Line Contaminants
Hyphaesetae, Chaetomium

I

Identification of Particles
Identifying Glass Fiber
IES 62535
Ilex opaca (Holly, American) Wood Sections
Indian Celery Pollen
Industrial Fire Particles
Industrial Shop Environments
Ink Jet, Black
Insect Egg, Flea
Insect Damage, Carpet Beetle
Insect Fibers, Silks
Insect Fecal Pellets
Insect Fragments
Insect Frass
Insect Frass, Termite
Insect Hair Insect Hair
Insect Hair, Carpet Beetle
Insect Larva, Carpet Beetle
Insect Larva, Flea
Insect Mandible
Insect Parts
Insect Scales Butterfly Scales
Insect Wing
Interference Colors
Interference Figure,Biaxial
Interference Figure,Uniaxial
Iron Loving Bacteria
Iron Oxides
Iron Scale (Mill Scale)
Ion Exchange Resin
Isoetes macrospora Spore
Isotropic Particles
Itching Powder

J

Jamsonite
Juniperus Virginiana

K

Kauai Salt Kauai Salt
Kellicottia bostoniensis
Keratella quadrata
Kevlar, para-Aramid Fiber
Key to Particle Identification

L

Larva, Insect, Carpet Beetle
Larva, Mite
Laurel Pollen
Larva, Insect, Flea
Leaf Epithelium
Leaf Structures
Leg, Flea
Leg, Mite
Leopard Hair
Lilac Pollen
Lily Pollen
Lima Bean Starch Lima Bean Starch
Limonite
Linen
Liriodendron tulipifera (Poplar) Wood Sections
Lithodora Pollen
Llama Hair
Lodgepole Pine Pollen
Lonicera Genus Pollen
Lube Wear
Lyocell, Tencel

M

Machine Shop Environment
Magnesium Microcrystal Test
Magnetite Magnetite Crystal
Magnetite Spheres
Mahonia aquifolium Pollen
Maidenhair Fern (Adiantum pedatum) Spore
Mammoth Hair Mammoth Hair
Man Made Vitreous Fiber (MMVF)
Maple Seed Hair Fibers
Maple (Acer saccharum) Wood Sections
Marine Aerosol
Melilotus officinalis (Sweet Yellow Clover) Pollen
Melosira (Aulacoseira) Diatom
Mesquet Ash
Metal Braid Fuel Line Failure
Metamict Crystals
Mica
Microsphaera Microsphaera
Midge Parts
Mill Scale
Mineral Wool
Minerals
Mink Hair
Mite
Mite, Egg
Mite Fecal Pellets
Mite Foot
Mite Frass
Mite, Indoor
Mite, Larva
Mite, Legs Mite Leg
Mite, Setae
Mite, Tarsonemus
Mite, Tyrophagus
MMVF (Man Made Vitreous Fiber)
Mohair
Mono-Ammonium Phosphate
Mortar Dust
Moose Hair
Morus rubra (Red Mulberry), Wood Sections
Moss Moss Leaf
Moss Leaf
Moss Spores
Moth and Moth Debris
Mouse Hair
Mulberry (Red), Wood Sections
Muskrat Hair

N

Natural Minerals
Newspaper Ink and Fiber
Newtons Rings Newtons Rings
Nigraspora Spores
NIOSH 7400 Asbestos Fiber Counting
Nomex, meta-Aramid Fiber
Nylon

O

Oak
Oblique Illumination
Ocean Spray Pollen
Ocelot Hair
Olivine Olivine
Open Cell Foam
Opossum Hair
Orb Mites
Oregon Grape Pollen
Organic Films
Orlon
Otter Hair

P

Pachystima myrsinites Pollen
Paint Spheres Paint Spheres
Palygorskite
Paper Debris
Paper Fiber and Debris in the Home
Paper Fiber by Species of Tree
Paper Degree of Polymerization (DP)
Paper Fiber, Charred
Parakeet Feather Barbules
Paraphysis
Parrot Feather Barbules
Particle Identification
Particles from Transformer Oil
Particles with Attached Hairs or Spines
Particles by Color
Particles with Pointed Terminations
Pea Starch
Peacock Feather Barbules
Pencil Debris
Penicillium
Pennales Diatoms Diatom
Perine
Periporate Pollen
Perlite
Pet Debris
Petrified Wood
Pet Hair
Phase Contrast Standard Slide
Phase Contrast Test Slide
Phasianidae Feather Barbules
Pheasant Feather Barbules
Phoca vitulina Hair
Phlox Pollen
Phytoliths
Phytoliths, Calcium Oxalate
Phytoliths, Silica Silica Phytoliths
Picea glauca Wood
Pieris Pollen
Pine, Ponderosa
Pine Pollen
Pink Pearl Erasure
Pinus albicaulis Pollen
Pinus contorta latifolia Pollen
Pinus monticola Pollen
Pipe Char
Plant Fibers
Plant Hair (Trichomes)
Plant Parts
Plaster
Pleochroism Tourmaline Pleochroism Tourmaline Pleochroism
PM2.5 Particles
Pointed Particles
Pollen (Click here for a general guide)

. Pollen By Common Name

. . . Acacia
. . . Akia
. . . Alder
. . . Alpine Fir
. . . American Sweetgum
. . . Anemone
. . . Apple
. . . Arnica
. . . Awikiwiki
. . . Balsamroot, Deltoid
. . . Barberry
. . . Basswood (American)
. . . Beavertail Cactus Beavertail Cactus
. . . Bigleaf Maple
. . . Big-Spore Quillwort
. . . Birch
. . . Bittercress
. . . Black Mountain Huckleberry
. . . Blackberry
. . . Bleeding Heart
. . . Blueberry sp.
. . . Blue Gum Tree
. . . Blue Violet
. . . Bouganvillea sp.
. . . Bracken Fern
. . . Brazilian Peppertree
. . . Brittlebush
. . . Buttercup, Western
. . . Butterfly Bush
. . . Camas
. . . Cat's Ear
. . . Cattail Pollen
. . . Cherry Group
. . . Cholla Cactus sp.
. . . Christmas Cactus
. . . Clover Group
. . . Clover, Red
. . . Clover, White
. . . Clover, Yellow
. . . Coconut
. . . Creosote Bush
. . . Crocus
. . . Dandelion
. . . Date Palm, Pigmy
. . . Desert Chicory
. . . Desert Dandelion
. . . Douglas Fir
. . . Elm
. . . English Laurel
. . . Eucalyptus Family
. . . False Box
. . . False Solomon’s Seal
. . . Fireweed Fireweed Pollen
. . . Flax
. . . Foxglove
. . . Gardenia
. . . Geranium
. . . Geyer’s Onion
. . . Globemallow
. . . Gourd
. . . Groundsel
. . . Hala
. . . Hawaiian Mallow
. . . Hazelnut
. . . Heather
. . . Hibiscus
. . . Honeysuckle Group
. . . Honeysuckle, Mexican
. . . Horse Chestnut
. . . Horsetail Horsetail Pollen
. . . Hummingbird Vine
. . . Indian Celery
. . . Indian Paintbrush
. . . Indian Plum
. . . Juniper
. . . Kou
. . . Larch
. . . Laurel, English
. . . Leatherwood
. . . Lilac
. . . Lily Family (Liliaceae)
. . . Linden (American)
. . . Lithodora
. . . Lodgepole Pine
. . . Lupine
. . . Maidenhair Fern
. . . Mao
. . . Mariposa Lily
. . . Mesquite
. . . Mexican Fan Palm
. . . Mexican Honeysuckle
. . . Mock Orange
. . . Mojave Mound Cactus
. . . Mojave Prickle Pear Cactus
. . . Mojave Yucca Mojava Yucca
. . . Mule's Ear
. . . Mullein, Common (Great)
. . . Ocean Spray
. . . Ocotillo
. . . Orange Honeysuckle
. . . Oregon Grape
. . . Palm, Mexican Fan
. . . Palo Verde
. . . Pandanus
. . . Peruvian Peppertree
. . . Petunia
. . . Phlox
. . . Pieris
. . . Pine Family (Pinaceae)
. . . Pinedrops
. . . Plantain, Narrow Leaf
. . . Ponderosa Pine
. . . Prickly Sow Thistle
. . . Primrose
. . . Purple deadnettle
. . . Quillwort, Big-Spore
. . . Quince
. . . Racemosa pussytoes
. . . Red Barrel Cactus
. . . Red Clover
. . . Red Elderberry
. . . Rose Family (Rosaceae)
. . . Scotch Broom
. . . Serviceberry
. . . Snow Lily
. . . Solomon’s Plume
. . . Spider Lillie
. . . Spring Beauty Spring Beauty Pollen
. . . Strawberry Group
. . . Sweetbush
. . . Sweetgum
. . . Tahitian Gardenia
. . . Tamarack
. . . Thimbleberry
. . . Thistle
. . . Tiger Lily
. . . Trefoil
. . . Trumpet vine
. . . Trumpetbush
. . . Twinberry, Black
. . . Violet
. . . Weeping Willow
. . . Western White Pine
. . . White Clover
. . . Whitebark Pine
. . . Wild Rose
. . . Wililaiki
. . . Wireweed
. . . Yarrow
. . . Yellow Clover
. . . Yellow Sweet Clover
. . . Zygocactus

. Pollen By Scientific Name

. . . Abis lasiocarpus
. . . Acacia spp.
. . . Acer macrophyllum
. . . Achillea millefolium
. . . Adiantum pedantum
. . . Aesculus hippocstanum
. . . Allium geyeri
. . . Alnus rubra
. . . Amelanchier sp.
. . . Anemone oregana
. . . Antennaria racemosa
. . . Arnica cordifolia
. . . Balsamorhiza deltoidea
. . . Bebbia juncea var. aspera
. . . Berberis thunbergii
. . . Betula papyrifera
. . . Bouganvillea sp.
. . . Buddleja davidii
. . . Calluna vulgaris
. . . Calochortus elegans
. . . Camassia quamash
. . . Campsis radicans
. . . Canavalia
. . . Cardamine hirsuta
. . . Castilleja miniata
. . . Cirsium sp.
. . . Claytonia lanceolata
. . . Cocos nucifera
. . . Cordia subcordata
. . . Corylus
. . . Crinum sp.
. . . Crocus sp.
. . . Cucurbita maxima
. . . Cydonia oblonga
. . . Cylindropuntia sp.
. . . Cytisus scoparius
. . . Digitalis purpurea
. . . Echinocereus triglochidiatus
. . . Encelia farinosa
. . . Epilobium angustifolium
. . . Equisetum sp.
. . . Erythronium grandiflorum
. . . Eucalyptus globulus
. . . Eucryphia lucida
. . . Ferocactus cylindraceus
. . . Fouquieria splendens
. . . Fragaria Genus
. . . Gardenia taitensis
. . . Ginkgo biloba
. . . Geranium sp.
. . . Gossypium tomentosum
. . . Grevillea aspleniifolia
. . . Hibiscus
. . . Holodiscus discolor
. . . Hypochaeris radicata
. . . Isoetes macrospora
. . . Juniperus sp.
. . . Justicia spicigera
. . . Lamium purpureum
. . . Lamprocapnos spectabilis
. . . Larix laricina
. . . Larrea tridentata
. . . Liliaceae Family
. . . Lilium columbianum
. . . Linum lewisii
. . . Liquidambar styraciflua
. . . Lithodora diffusa
. . . Lomatium nudicaule
. . . Lonicera ciliosa
. . . Lonicera Genus
. . . Lonicera involucrate
. . . Lupinus sp.
. . . Mahonia [Berberis] aquifolium
. . . Malacothrix glabrata
. . . Malus domestica
. . . Melilotus officinalis
. . . Myrtaceae Family
. . . Oemleria cerasiformis
. . . Opuntia basilaris
. . . Opuntia phaeacantha
. . . Pachystima myrsinites
. . . Pandanus tectorius
. . . Parkinsonia florida
. . . Petunia hybrida
. . . Philadelphus lewisii
. . . Phlox diffusa
. . . Phoenix dactylifera
. . . Pieris sp.
. . . Pinaceae Family
. . . Pinus albicaulis
. . . Pinus contorta latifolia
. . . Pinus monticola
. . . Plantago lanceloata
. . . Primula stricta
. . . Prosopis glandulosa
. . . Prunus Genus
. . . Prunus laurocerasus
. . . Pseudotsuga menziesii
. . . Pteridium sp.
. . . Pterospora andromedea
. . . Rafinesquia neomexicana
. . . Ranunculus occidentalis
. . . Rosa nutkana
. . . Rosaceae Family
. . . Rubus fruticosus
. . . Rubus parviflorus
. . . Sambucus racemosa
. . . Schinus molle
. . . Schinus terebinthifolius
. . . Schlumbergera Truncata Group
. . . Senecio vulgaris
. . . Sida acuta
. . . Smilacina racemosa
. . . Smilacina stellata
. . . Sonchus asper
. . . Sphaeralcea ambigua
. . . Syringa vulgaris
. . . Taraxacum officinale
. . . Tecoma stans
. . . Tilia americana
. . . Typha latifolia Pollen
. . . Trifolium Genus
. . . Trifolium minus
. . . Trifolium pretense
. . . Trifolium repens
. . . Trigonella caerulea
. . . Ulmus sp.
. . . Vaccinium sp.
. . . Vaccinium membranaceum
. . . Verbascum thapsus
. . . Viola adunca
. . . Washingtonia robusta
. . . Wikstroemia uva-ursi
. . . Wyethia amplexicaulis
. . . Yucca schidigera

. Pollen By Family

. . . Acanthaceae Pollen
. . . Adiantaceae Spores
. . . Adoxaceae Pollen
. . . Altingiaceae
. . . Amaryllidaceae Pollen
. . . Anacardiaceae Pollen
. . . Apiaceae Pollen
. . . Arecaceae Pollen
. . . Asparagaceae Pollen
. . . Asteraceae (Compositae)Pollen
. . . . . . TRIBE: Cichorieae/Lactuceae (Dandelions) Pollen
. . . . . . TRIBE: Cynarieae (Thistles) Pollen
. . . . . . TRIBE: Heliantheae (Sunflowers) Pollen
. . . . . . TRIBE: Senecioneae (Groundsels) Pollen
. . . Berberidaceae Pollen
. . . Betulaceae Pollen
. . . Bignoniaceae Pollen
. . . Boraginaceae Pollen
. . . Brassicaceae Pollen
. . . Cactaceae Pollen
. . . Caprifoliaceae Pollen
. . . Compositae (see Asteraceae)Pollen
. . . Cucurbitaceae
. . . Cunoniaceae
. . . Cupressaceae
. . . Dennstaedtiaceae
. . . Ericaceae
. . . Fabaceae Pollen
. . . Fouquieriaceae Pollen
. . . Geraniaceae Pollen
. . . Ginkgoaceae Pollen
. . . Hydrangeaceae Pollen
. . . Iridaceae Pollen
. . . Isoetaceae Spores
. . . Lactuceae
. . . Lamiaceae
. . . Liliaceae Pollen
. . . Linaceae
. . . Malvaceae Pollen
. . . Myrtaceae Pollen
. . . Nyctaginaceae Pollen
. . . Oleaceae Pollen
. . . Onagraceae Pollen
. . . Orobanchaceae Pollen
. . . Pandanaceae
. . . Papaveraceae Pollen
. . . Pinaceae Pollen
. . . Plantaginaceae
. . . Polemoniaceae Pollen
. . . Portulacaceae Pollen
. . . Primulaceae Pollen
. . . Proteaceae Pollen
. . . Ranunculaceae Pollen
. . . Rosaceae Family Pollen
. . . Rubiaceae
. . . Sapindaceae Family Pollen
. . . Scrophulariaceae Family Pollen
. . . Thymelaeaceae
. . . Tiliaceae Pollen
. . . Typhaceae Pollen
. . . Violaceae
. . . Zygophyllaceae Pollen

. Pollen and Spores by Morphology
. . . Vesiculate Pollen Pine Pollen. Attached Air Sacks

. . . Inaperturate Pollen Larch Pollen. No Opening or Skin Rupture Only

. . . Trilete Pollen Fern Spore. 3-Armed Scar at one Pole

. . . Monolete Pollen Fern Spore. Kidney Shaped with 1 Furrow

. . . Monocolpate Pollen Camas Pollen. Ellipse with 1 Furrow

. . . Stephanocolpate Pollen Lavandula Pollen. More than 3 Furrows, All Meridinal

. . . Syncolpate Pollen Eucalyptus Pollen. Furrows Meet at Poles

. . . Echinolophate (Fenestrate) Pollen Dandelion Pollen. Large Geometric Openings, Some with Pores, Surrounded by Spiny Ridges

. . . Tricolporate Pollen Yellow Clover Pollen. 3 Pores, Each in a Furrow

. . . . . . Quadricolporate Pollen Butterfly Bush Pollen. 4 Pores, Each in a Furrow, Common as a subtype of Tricolporate but persistent in some plants such as Buddlija davidii.

. . . Triporate Pollen Geranium Pollen. 3 Pores, No Furrows

. . . Stephanoporate Pollen Lavandula Pollen. More than 3 or 4 Pores, All Meridinal,

. . . Periporate Pollen Periporate Pollen. More than 3 Pores, Not All Meridinal


. . Skin Texture
. . . Echinate Pollen Balsamroot Pollen. Skin Texture with Spikes

. . . Rugulate Pollen

. . . Scabrate Pollen Quince Pollen. Skin Texture Scab-like

. . . Striate Pollen Strawberry Pollen. Skin Texture Aligned Streaks

. . . Reticulate Pollen Reticulate Pollen. Upper Skin Texture Lace-like

. . . Polyad Pollen Acacia Pollen. More Than One Grain Bound Together

Pollen Starch
Polyad Pollen
Polyester
Ponderosa Pine
Ponderosa Pine Ash
Poplar, Yellow (Liriodendron tulipifera) Wood Sections
Populus balsamifera Wood
Potassium, Test For
Potassium Uranyl Acetate
Potato Starch
Powderpost Beetle
Primrose Pollen
Print Shop Environment
Prunus sp. Pollen
Prunus serotina Wood
Pseudoscorpion
Pseudotsuga Menziesii
Psittacidae Feather Barbules
Pteridium (Bracken Fern) Spore
Pumice
Pyrolyzed Calcium Oxalate Phytoliths

Q

Quartz
Quercus
Quince Pollen

R

Rabbit Hair
Raccoon Hair
Ramie Fiber
Ranunculus occidentalis (Western Buttercup) Pollen
Rat Hair
Rayon
Red Clover (Trifolium pretense) Pollen
Red Mulberry (Morus rubra), Wood Sections
Red Particles
Red Tailed Hawk Feather Barbules
Redwood
Reflected Darkfield Analysis
Reticulate Pollen
Resin Impregnated Wood
Resolution vs Visibility
Rhubarb Pytoliths CaOx Druss Rhubarb
Rice Starch
Ring Necked Pidgon Feather Barbules
Road Agglomerates
Road Dust
Robin Feather Barbules
Rock Wool
Rodent (Rodentia) Hair
Rosaceae Family Pollen
Rosehip Fiber
Rosehip Pith
Rotifers Keratella quadrata
Round Particle Key
Rubber Wear
Rust
Rutile

S

Sacred Dove Feather Barbules
Sago Starch
Salix Pollen
Salt, Sodium Chloride
Sand
. . . Australia
. . . Caribean
. . . Estonia
. . . France
. . . Germany
. . . Mexico
. . . United Kingdom
. . . United States
. . . . . . Arizona
. . . . . . California
. . . . . . Florida
. . . . . . Hawaii
. . . . . . . . . Kauai
. . . . . . . . . . . . Makauwahi Cave Beach Magnetite Crystal
. . . . . . New Mexico
. . . . . . Oregon
. . . . . . South Carolina
. . . . . . Texas
. . . . . . Washington State
. . . . . . . . . Ocean Shores, Washington State
Sand Kit
San Francisco 1906 Earthquake and Fire Debris
Sawdust
Scale Patterns on Hair
Scales, Butterfly and Moth
Scotch Broom (Cytisus scoparius) Pollen
Seaport Particles
Sea Salt Kauai Sea Salt
Scabrate Pollen
Seal Hair
Sepiolite
Sequoia
Setae, Mite
Sheep Hair
Shoe Wear
Siderophilic Bacteria
Silicoflagellates
Silicon Carbide
Silk, Insect
Silk, Spider
Silk Textile Fiber
Silver, Native
Skin Flakes
Skunk Hair
Slag
Slag Abrasive
Slime Mold
Smoke, Forest Fire
Sodium, Test For
Sodium Bicarbonate
Sodium Chloride Ambient Aerosol
Sodium Chloride, Salt
Sodium Nitrate Ambient Aerosol
Sodium Nitrate Interference Figure Sodium Nitrate Interference Figure
Sodium Uranyl Acetate
Solomon's Plume Pollen
Soot
. . . Dry Soot
. . . High Hydrocarbon Content Soot
. . . Wet Soot
Space Shuttle Bay Liner Glass Fiber
Space Shuttle Tile Glass Fiber
Spandex, Glospan
Spherical Particle Key
Spider Debris
Spider Fang
Spider Foot
Spider Frass
Spider Hair
Spider Web
Sponge Spicules
Sponge Spicules, Freshwater
Sponge Spicules from Lake Washington, Washington State
Sporangium, Fern Deer Fern Sporangium
Spores, Fern
Spores, Fungal
Spores, Moss
Spring Beauty Pollen
Spruce, White, Wood
Spruce Ash
Squirrel Hair
Stachybotrys Spores
Starch
Starch, Arrowroot
Starch, Banana
Starch, Barley
Starch, Corn
Starch, Lima Bean
Starch, Pea
Starch, Pollen
Starch, Potato
Starch, Rice
Starch, Sago
Starch, Tapioca
Starch, Wheat
Stellar Jay Feather Barbules
Stephanodiscus
Straw Fiber
Strawberry Pollen
Stress Birefringence in Particles Interference Colors in Safety Glass
Striate Pollen
Sucrose
Sugar, Granulated
Supracoxal Seta of Tyrophagus p
Swedish Honey Pollen
Swedish Honey Pollen, June
Swedish Honey Pollen, August
Sweet Yellow Clover (Melilotus officinalis) Pollen
SVF(Synthetic Vitreous Fiber)
Syncolpate Pollen
Synera
Synthetic Clothing Fiber
Synthetic Clothing Fiber, Dynel
Synthetic Clothing Fiber, Nylon
Synthetic Clothing Fiber, Orlon
Synthetic Clothing Fiber, Polyester
Synthetic Clothing Fiber, Rayon
Synthetic Clothing Fiber, Synera
Synthetic Vitreous Fiber (SVF)

T

Tailpipe Emissions
Talc
Tapered Cylinder Particle Key
Tapioca Starch
Taraxacum officinale (Dandelion) Pollen
Tarsonemus Mite
Taxus brevifolia (Pacific Yew) Wood Sections
Teflon Liner Failure, Metal Braid Fuel Line
Tencel, Lyocell Fiber
Tent Caterpillar Hair
Termite Foot Termite Foot
Termite Frass
Termite Leg Muscles
Termite Mandible
Termite Parts
Testate Amoeba
Tetraploa Fungal Spore Tetraploa Spore
Textile Fibers
Thecamoeba
Thermally Modified Glass Fiber
Thimbleberry (Rubus parviflorus) Pollen
Thin Film Interference Colors, Classic Explanation
Thin Film Interference Colors on Copper
Thistle (Cirsium) Pollen
Ticks
Thin Film Interference Colors
Tilia americana, American Basswood
Tire Wear
Tissue Paper Fiber
Toner
Tourmaline Tourmaline Pleochroism Tourmaline Pleochroism
Track Wear
Transformer Fire Debris
Transformer Oil Particles
Tremolite Asbestos
Trichomes (Plant Hair)
Trifolium minus (Yellow Clover) Pollen
Trifolium pretense (Red Clover) Pollen
Trifolium repens (White Clover) Pollen
Trilete Pollen or Spore
Triporate Pollen
Trochilidae Feather Barbules
Truck Maintenance Shop Environments
Tsuga Canadensis Tsuga Canadensis, Cross-Section
Tulip Tree (Liriodendron tulipifera) Wood Sections
Turdidae Feather Barbules
Twinberry Pollen
Tyrophagus putrescentiae

U

Ulmus Pollen
Ulmus thomasii (Hard Elm) Wood Sections
Ulocladium
Urine, Detection of
Uniaxial Interference Figure
Sodium Nitrate Interference Figure

V

Vaccinium membranaceum Pollen
Varied Thrush Feather Barbules
Ventilation System Particles
Vesiculate Pollen
Vessel Wall, Woody Plants
Viscin Threads
Villi (Feather Barbule)
Vinyl Flooring Vinyl Flooring Wear
Vinyon Fiber
Viscose Rayon
Visibility vs Resolution

W

Wear Metal
Wear Polymers
Weeping Willow Pollen
Weld Debris
Weld Particles
Weld Scale
Weld Spheres
Western Buttercup (Ranunculus occidentalis) Pollen
Western White Pine Pollen
Wheat Starch
White Clover (Trifolium repens) Pollen White Rain, Washington State, USA
White Rain
Whitebark Pine Pollen
Wild Strawberry (Fragaria vesca) Pollen
Wildfire Environments
Wildfire Particles
. . . Arizona Chaparral Fire Particles
. . . Arizona Forestfire Particles
. . . California Chaparral Wildfire Particles
. . . California Forestfire Particles
. . . California Steppe Wildfire Particles
. . . Colorado Montane Chaparral Wildfire Particles
. . . Washington Forestfire Particles
Wollastonite
Wood Fibers
Wood Sections (All)

. Wood Microstructure
. . . Biseriate Alternate Pitting (Pores)
. . . Biseriate Opposite Pitting (Pores)
. . . Cross-field Pitting (Pores)
. . . Helical Thickening
. . . Multiseriate Alternate Pitting
. . . Multiseriate Opposite Pitting
. . . Uniseriate Pitting (Pores)
. Wood Sections By Common Name
. . . Alder
. . . Aspen, Quaking
. . . Basswood, American
. . . Beech
. . . Birch
. . . Buckeye, Ohio
. . . Cedar, Eastern
. . . Cherry, Black
. . . Dogwood, Flowering
. . . Douglas Fir
. . . Elm, Hard
. . . Fir, Balsum
. . . Hackberry
. . . Hemlock, Eastern
. . . Holly, American
. . . Honey Locust
. . . Larch
. . . Maple, Sugar
. . . Mulberry (Red)
. . . Osage Orange
. . . Pine, Ponderosa
. . . Poplar (1)
. . . Tulip Tree
. . . Red Oak
. . . Sequoia
. . . Spruce
. . . Tamarack
. . . White Oak
. . . White Spruce
. . . Yew, Pacific
. Wood Sections By Scientific Name
. . . Abies balsamea
. . . Acer saccharum
. . . Aesculus glabra
. . . Alnus rubra
. . . Betula papyrifera
. . . Celtus occidentalus
. . . Cornus florida
. . . Fagus grandifolia
. . . Ilex opaca
. . . Gleditsia triacanthos
. . . Juniperus virginiana
. . . Larix laricina
. . . Liriodendron tulipifera
. . . Maclura pomifera
. . . Morus rubra
. . . Picea glauca
. . . Pinus ponderosa
. . . Populus balsamifera
. . . Populus tremuloides
. . . Prunus serotina
. . . Pseudotsuga menziesii
. . . Quercus alba
. . . Quercus rubra
. . . Sequoia sempervirens
. . . Taxus brevifolia
. . . Tilia americana
. . . Tsuga canadensis
. . . Ulmus thomasii
. Wood Sections By Family
. . . Aceraceae
. . . Aquifoliaceae
. . . Betulaceae
. . . Cornaceae
. . . Cupressiaceae
. . . Fabaceae
. . . Fagaceae
. . . Magnoliaceae
. . . Moraceae
. . . Oleaceae
. . . Pinaceae
. . . Rosaceae
. . . Salicaceae
. . . Sapindaceae
. . . Taxaceace
. . . Tiliaceae (Malvaceae)
. . . Ulmaceae
Wood, Resin Impregnated Resin Impregnated Wood
Wood Micro-Sections
Wood Rot Fungus
Woodstove Ash
Wood Vessel Wall
Wool
Wool, Specialty Hair
Wool, Alpaca
Wool, Angora
Wool, Camel
Wool, Goat
Wool, Mohair
Wool, Sheep
Wool, Yak

X

Xenocryst Zircon

Y

Yak Hair
Yellow Clover (Trifolium minus) Pollen
Yellow Sweet Clover (Melilotus officinalis) Pollen
Yew (Taxus brevifolia) Wood Sections

Z

Zantrel, Rayon
Zircon Zircon