Growing in Charleston throughout our neighborhood, and in our backyard. Looks like a rush, maybe?
yes, your plant is certainly a rush, genus Juncus. It gets harder beyond that – as these are best identified in hand because the bracts under the sepals are difficult to see in any photograph, and yours are very good. Everything considered, I think that your rush would fit into Juncus dichotomus, in the broad sense. Using keys it could key to Juncus platyphyllus, but this is now considered to be a synonym. The first picture you sent , the one displayed here, was immature. The other images you sent helped as they were more mature. I don’t know how to select for display one of the other images.
Steve Hill, Ph.D. Botanist, SCNPS