Botanical Research Institute of Texas, Philecology Herbarium
Occurrence ID (GUID):
Taxon:Lactuca serriola L. Family: Asteraceae
Kelly R. Carroll 13
Verbatim Date: 20 June 2018
M. Brooke Byerley
United States, Texas, Tarrant, Fort Worth, General Collection Area: All Saints' Episcopal School property, between I-20 frontage road and Normandale St., extends 90m east of school guardshack. Open limestone gravel slope above drainage in southwest zone of collection area, remnant prairie, ~50m north of Normandale Rd.
32.732416 -97.490831 WGS84
237 meters Verbatim Elevation:
Full sun; open floodplain just upslope of wooded creek; flat-to-gently sloped field adjacent to drainage course/creek; surrounded by woody encroachment.
Rocky, gravelly limestone.
1.5m tall; thick, glabrous stem over most of length, some prickles near base of stem; leaves pinnatifidly lobed, defined white midrib with 1-2mm prickles on underside of midrib, edges of leaves also have prickles; annual with taproot