Pollens

Grass pollen

Monoporate

20-45 um (larger)

Round pollen

Cap with operculum

Grass pollen

Southern grasses that don’t cross react

Bahia and Johnson

Two weed families

Amaranthaceae and asteraceae

Amaranthaceae characteristics

Periporate

20-35 um

Spherical

Granular surfacePollen grains with multiple pores, 20-35 µm in diameter, spherical shape, and a visibly granular surface.

Pollen

ChenopodChe

Ragweed is what type of weed?

Asteraceae

type of pollen?

Ragweed

type of pollen?

Sage pollen

Type of pollen

Cocklebur pollen

Type of pollen?

Nettle “little”

triporate to tetrapolate and is 12-16 um

type of pollen?

Plantain

6-10 pores

Pollen is large 20-40 um

distinct pore cap like a donut

type of pollen?

Dock or sorrel weed

Tricoporate

20-30 um

round pollen

Tree that pollinates in the fall?

Three species of elm

What pollinates in the midwinter?

Mountain cedar A

what type of pollen?

Ash pollenDes

Description of birch, hazelnut, hornbeam

Triporate with a collar (oncus) and may appear like a lemon

Alder has 4-6 pores

Pores protrude

what type of pollen?

Birch pollen

Description of cypress, juniper, cedar

Thick intine with cytoplasmic contents

May look like Pac-man

Type of pollen?

Mountain cedar with disrupted exine

Type of pollen?

Mountain cedar with intact exine

Type of pollen?

Oak pollen

Visualize the triangular shape of oak as an O with corners (triangle)

Oak and beech description

25-35 um

Triangular shaped with germinal furrows that appear as white pie slices

Type of pollen?

Sycamore (platanaceae)

Sycamore description

Tricolpate

Round grains

Thin exine P

Type of pollen?

Pine

Pine description?

Mickey mouse with large bladder

Large size 50-100 um and is rarely implicated in allergy

Type pof pollen?

Maple and box elder

Description of maple

Tricolpate like oak

Beach ball appearance

Box elder is pollinated by what?

Wind

Maple is pollinated by what?

Insect

Sticky maple syrup attracts insects

What type of pollen?

Elm pollen

What type of pollen?

Cottonwood pollen

Poplar, willow, cottonwood description

Round grains with a surface that is granular and cracked or flaky

Willow has 3 furrows and reticulate pattern

Willows are insect pollinated

Type of pollen?

Sweetgum

Sweetgum description

South of Mason Dixon line

Periporate with 12-20 pores per grain and looks like a soccer ball

Type of pollen?

Mullberry

Mullberry description

Small 11-20 um

Thin walled, slightly shield shaped

Type of pollen?

Walnut

Walnut description

9-15 slightly raised pores

Jug

Type of pollen?

Hickory

Type of pollen?

Acacia pollen

Type of mold?

Alternaria

Alternaria description

20-75 um

Fatal asthma risk

Likes outside - grain growing areas

Type of mold?

Cladosporium

Cladosporium description

Temperate areas

6-25 um in length and form branching chains

Dry day spore

Outside but also comes inside because of high outdoor concentration

Type of mold

Aspergillus

Type of mold?

Penicillium

Type of mold?

BipolarisB

Bipolaris description

Dry day spores with thick cell walls

Implicated in allergic fungal sinusitis

Type of mold?

Epicoccoccum

Epicoccum description

Outdoor

Dry day spores

Type of mold?

Fusarium

Fusarium description

Wet day spore

Colorless

Spindle shaped, curved with tapered ends

Mnemonic for outdoor molds

ACE

Alternaria

Cladosporium

Epicoccum I

Indoor molds?

AP

Aspergillus

Penicillium