I got wild flowers from the Whit Trillium Shrub, dunno how much. Also from the Red Trillium, the Feary Flowerbed and the Multi-Color Hedge.
Upgrading the Horse Pastue to lvl 2:
10 Lasso's
25 Wild Flowers
45 Orange Petal
45 Blue Petal
Upgrading to lvl 3:
15 Lasso's
50 Wild Flowers
15 Shadow Pelts
45 Purple Petals
Ivy's hut got me a Lynx, slaying it got me 3 Shadow Pelts. Collecting from Old Thomas' House didn't get me anything. I tried collecting from the mine twice, but no Lynx.