Northern Prairie Wildlife Research Center
| Species/ Plant parts analyzed | Unit of measure- menta | N | NH3 | P | K | C | Na | Ca | Mg | Cl | Na2O | K2O | CaO | P2O5 | MgO | Refer enceb |
| S. maritimus | ||||||||||||||||
| whole aboveground | % d.w. | 1.34 |   | 0.16 |   |   |   | 0.76 | 0.58 |   |   |   |   |   |   | 1 |
| whole aboveground | % d.w. | 0.84- 0.94 |   |   |   |   |   |   |   |   |   |   |   |   |   | 2 |
| stems and leaves | % d.w. | 0.78 |   |   |   |   |   |   |   |   |   |   |   |   |   | 3 |
| stems | % d.w. | 1.29- 1.35 |   | 0.16- 0.20 |   |   |   | 0.31- 0.52 | 0.99- 1.10 |   |   |   |   |   |   | 4 |
| shoots at maximum biomass | % d.w. | 1.36- 1.79 |   | 0.28- 0.35 | 1.40- 2.69 |   | 0.08- 0.63 | 0.16- 0.66 | 0.10- 0.17 |   |   |   |   |   |   | 5 |
| shoots at maximum biomass | % d.w. | 1.36- 1.89 |   | 0.27- 0.31 | 1.40- 1.84 |   | 0.15- 0.66 | 0.12- 0.63 | 0.13- 0.17 |   |   |   |   |   |   | 6 |
| shoots throughout season | % d.w. | 1.36- 3.15 |   | 0.27- 0.52 | 1.40- 3.28 |   | 0.66- 1.15 | 0.08- 0.63 | 0.05- 0.17 |   |   |   |   |   |   | 6 |
| live parts | % AFDW |   |   |   |   | 45.3- 47.9 |   |   |   |   |   |   |   |   |   | 7 |
| young shoots | % AFDW | 3.15 |   | 0.41 |   |   |   |   |   |   |   |   |   |   |   | 7 |
| corms of current season | % d.w. | 1.94- 2.45 |   | 0.31- 0.52 | 0.96- 1.72 |   | 0.11 | 0.03 | 0.06- 0.10 |   |   |   |   |   |   | 6 |
| corms of previous season | % d.w. | 1.17- 1.68 |   | 0.40 | 0.56- 1.07 |   | 0.13 | 0.02- 0.19 | 0.06- 0.11 |   |   |   |   |   |   | 6 |
| corms | % d.w. | 0.84 |   |   |   |   |   |   |   |   |   |   |   |   |   | 3 |
| corms | % d.w. | 1.19 |   | 0.29 |   |   |   | 0.36 | 0.16 |   |   |   |   |   |   | 4 |
| achenes | % d.w. | 2.4- 3.1 |   |   |   |   |   |   |   |   |   |   |   |   |   | 3 |
| achenes | % ash |   |   |   |   |   |   |   |   | 0.56 | 1.95 | 0.40 | 30.2 | 0.94 | 6.45 | 8 |
| roots and rhizomes | % AFDW | 1.6 |   | 0.21 |   |   |   |   |   |   |   |   |   |   |   | 7 |
| roots and rhizomes | % d.w. | 0.79 |   | 0.19 |   |   |   | 0.43 | 0.35 |   |   |   |   |   |   | 4 |
| roots | % d.w. | 0.92 |   | 0.45 |   |   |   | 0.48 | 0.37 |   |   |   |   |   |   | 4 |
| rhizomes | % d.w. | 0.84 |   | 0.21 |   |   |   | 0.12 | 0.39 |   |   |   |   |   |   | 4 |
| S. robustus | ||||||||||||||||
| shoots | mg/g d.w. |   | 2.6 |   |   |   |   |   |   |   |   |   |   |   |   | 9 |
| roots | mg/g d.w. |   | 1.6 |   |   |   |   |   |   |   |   |   |   |   |   | 9 |
| achenes | % d.w. |   |   | 0.22 |   |   |   | 0.06 |   |   |   |   |   |   |   | 10 |
ad.w.=dry weight; AFDW=ash-free dry weight
bReferences: (1) Christensen et al. 1947;(2) Yamanaka 1975; (3) Fredrickson 1980; (4) Kikuchi et al. 1989; (5) Dykyjova 1973; (6) Dykyjova 1986; (7) Hall and Yesaki 1988; (8) Christensen 1938; (9) Cruz and Poe 1975; (10) Bardwell et al. 1965.