More Weeds to ID Please

[MamaSheepdog]

Weed #1 grows in sun/part sun:



Weed #2 grows in sun/part sun, and the leaves will stain skin/fur/clothing a reddish color:



This is the underside of the plant. You can see the stain on my thumb:



Flowers on a post-it note:



Top and underside of leaves:

 

[MaggieJ]

Good pictures, but I don't recognize either of those plants. Sorry.

 

[Secuono]

I recognize them, but as being in my yard only. Don't know the names. Sorry.

 

[Frosted Rabbits]

first-- Cut Leaved Evening Primrose Oenothera laciniata ( Knowing what the open flower looks like would help-- need to know the number of petals---

second plant-- Chimaphila spp Close as I could get without further information