In the Pleasanton Games thread Way2Fractious wrote:-
Natural dandelions wilt rather quickly, so plastic or silk replicas are preferred - except no one has found any yet
They are available from Withycombe Fair in England.
Chas gave me my dandelion and also gave me the heads up as to where to obtain more.
I have a few spare artificial dandelions which I will bring with me to Ventura next month.