Table S3.
Stem targets for plots in the realistic richness diversity treatment and 16 species plots (n = 9 plots per richness level)
| Species richness | 2 | 5 | 8 | 12 | 16 |
| Stipa pulchra | 324 | 158 | 72 | 47 | 45 |
| Chlorogalum pomeridianum | 48 | 24 | 9 | 7 | 7 |
| Calystegia subacaulis | 23 | 18 | 15 | 14 | |
| Muilla maritima | 20 | 10 | 7 | 8 | |
| Plantago erecta | 146 | 132 | 81 | 64 | |
| Lessingia nemaclada | 11 | 7 | 6 | ||
| Festuca microstachys | 87 | 61 | 42 | ||
| Microseris douglasii | 33 | 19 | 14 | ||
| Lasthenia californica | 55 | 67 | |||
| Hesperevax sparsiflora | 67 | 71 | |||
| Eschscholzia californica | 4 | 4 | |||
| Calandrinia ciliata | 3 | 2 | |||
| Layia gaillardioides | 8 | ||||
| Acmispon wrangelianus | 9 | ||||
| Cryptantha flaccida | 6 | ||||
| Hemizonia congesta | 7 | ||||
| Total stem target | 372 | 372 | 372 | 372 | 372 |