| Grass Pollen | เกสรหญ้า [การแพทย์] |
| grass poly | (n) annual with small solitary pink flowers; originally of Europe but widely naturalized in moist areas, Syn. hyssop loosestrife, Lythrum hyssopifolia |
| silverweed | (n) low-growing perennial having leaves silvery beneath; northern United States; Europe; Asia, Syn. goose-tansy, goose grass, Potentilla anserina |