You are taking the mickey with the first bit of your comment, aren't you?They’re well suited to climate change because of all the fossil fuel combustion engines becoming ever more popular.
You can eat Dandelion leaves, supposed to be some decent minerals in them so I’ve read.
Dents de lion (French) (also pis-en-lit as @Poacher says below). Spanish = dientes de leon.I hadn't heard them called Lions Teeth before.
They are a cheerful and colourful sight.
And very good for bees, which is why I have stopped removing them when weeding the garden.
Also diuretic, hence the French name, pis-en-lit.