Table 16.20. Comparison of Reproductive Plant Parts in Thermal Features and Midden Debris from All Tested Sites
| Taxon and Part | Percent of 12 Sites Where Taxon Occurred in Thermal Featuresa | Percent of 13 Sites Where Taxon Occurred in Middens |
| Cheno-am seed | 42 | 77 |
| Zea mays kernel fragment | 58 | 38 |
| Physalis longifolia-type seed | 42 | 54 |
| Gramineae caryopsis | 58 | 15 |
| Opuntia-type (prickly pear) seed | 33 | 38 |
| Cyperaceae, Scirpus-type achene | 8 | 23 |
| Mentzelia albicaulis-type seed | 17 | 15 |
| Capparaceae-type seed | 17 | 8 |
| Phaseolus vulgaris-type cotyledon | 8 | 15 |
| Portulaca retusa-type seed | 25 | |
| Stipa hymenoides-type caryopsis, floret | 8 | 15 |
| Cycloloma atriplicifolium-type seed | 8 | 8 |
| Juniperus osteosperma-type fruit/seed | 17 | |
| Malvaceae-type seed | 8 | 8 |
| Plantago-type seed | 8 | 8 |
| Rhus aromatica-type seed | 8 | 8 |
| Echinocereus-type seed | 8 | |
| Euphorbia glyptosperma-type seed | 8 | |
| Nicotiana attenuata-type seed | 8 |
NOTE: Taxa are organized in general order of decreasing ubiquity.
a Archaeologists did not find any thermal features during
excavation of Roy's Ruin. This column includes the roasting pit from Troy's
Tower.