Fourteen well-preserved palaeosol phytolith assemblages record a regional rise of chloridoid and other potentially C4 grasses within heterogeneous mixed C3–C4 habitats.
Represented range8–5.5 Ma
RegionsCentral Great Plains, Nebraska and Kansas, United States
CladesPoaceae · Chloridoideae · PACMAD grasses
Claim ledger
ecology · medium
Fourteen selected palaeosol phytolith assemblages from Nebraska and Kansas record an 8–5.5 Ma increase in chloridoid and other potentially C4 PACMAD grass short cells, reaching about 50–60% of the grass component by 5.5 Ma within heterogeneous mixed C3–C4 habitats.