Houston weed pollen counts
Weed breakdown
Artemisia/Sage
Ambrosia/Ragweed
Asteraceae/Aster
Urticaceae/Nettle
Chenopodiaceae/Amaranthaceae/Amaranth
Rumex/Sheep Sorel
Cyperaceae/Sedge
Plantago/Plantain
Typha/Cattail
Weed breakdown
Artemisia/Sage
Ambrosia/Ragweed
Asteraceae/Aster
Urticaceae/Nettle
Chenopodiaceae/Amaranthaceae/Amaranth
Rumex/Sheep Sorel
Cyperaceae/Sedge
Plantago/Plantain
Typha/Cattail