Hereford Racecourse paid tribute to Brooke in a statement which said: "Thoughts, prayers and condolences with the family and friends of Lorna Brooke, who has so tragically died following a fall earlier this month.
"We will miss her riding at Hereford and know that racing's family will be so shocked and saddened by this very sad news."
The Racecourse Association said in a statement: "The Racecourse Association is deeply saddened by the tragic news of Lorna Brooke's death as a result of injuries sustained following a fall whilst race-riding at Taunton Racecourse on Thursday, April 8.
"Our thoughts and condolences are with Lorna's family and friends during this time.