Are 20 species of spiders dangerous in temperate climates to humans?

In fact there are exactly twenty species of spiders that are dangerous to Humans in Temperate climates

BROWN RECLUSE

SPIDER

BLACK WIDOW

SPIDER

HOBO

SPIDER

GRASS

SPIDER

FEMALE

MOUSE SPIDER

MALE

MOUSE SPIDER

BLACK

HOUSE SPIDER

WOLF

SPIDER

FEMALE

TRAP-DOOR

GARDEN

ORB-WEAVING

SAINT ANDREW'S CROSS

HUNTSMAN

SPIDER

There are eight more Tarantula species as well as the above 12 others.

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