This identification is tentative, as bugguide itself does not seem 100% sure which Hersiilid spiders might be found in Florida. This spider is definitely from the family Hersiliidae, the longspinneret spiders, but it may be Yabisi habanensis (Florida longspinneret spider), Neotama mexicana (mexican twintailed spider), or Murricia uva (no common name). I am going with…