Julie I don't really think your rabbit is a fussy eater. I suspect that she might have been born in the wild/ urban jungle, as you stated you found her in the middle of the road.
I believe she only eats what she found on her ranging expeditions in the wide outdoors. There she would have gotten herbs and flowers from gardens. People these days tend to buy lettuce rather than grow it themselves, but the do plant herbs and flowers. As the clover are a wild growing plant, and soft and green it would have been one of her favourites, as it is the easiest to get without being eaten by someone's dog in return.
I have three rabbits of my own as well. They dug under the fence of their enclosure (the fence is buried 20 cm deep and surrounded by rocks, and they still got out) and now I let them free range with my geese and ducks.
They do eat pellets, but they were brought up eating it. One day I got really mad because a bird got into my greenhouse and took bites of my prise tomatoes. I were still busy cussing the bird when bunny hopped in and started munching on my tomatoes. I had to apologise to the bird though. I have a lot of veg in my greenhouse, and they only ate the lettuce, tomatoes, celery and green beans. The carrots, eggplant, spinach and onions were bypassed.
I have a patch of alfalfa I grow for my ducks, geese and chickens and the rabbits love those as well.
I suggest that you go on a trail and error project with Nadine. See what she eats and feed her that. Maybe rabbits are like old dogs, you cant teach them new tricks. 
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