I have this grass growing in my yard. Can any one tell me what type of grass this is? I have been seeding my lawn with tall fescue and lately this type of grass has been growing and taking over my lawn.
That may be Kyllinga. Compare to these photos, looking for rays of grass connected just under the 'blossom', which is characteristic:
It is not an easy weed to control, but since it is a sedge, there are specific chemicals (see the link) that can work.