| Scientific Name: | Gnaphalium uliginosum |
| Common Name: | marsh cudweed |
| Family Name: | Asteraceae |
| Origin: | Central / west Asia, Europe, North America |
| Hardiness Zone: | Zone 2: (-46 to -40 °C) |
| Plant Type: | Annual (true), Weed (horticultural) |
| Mature Size: | 0.1 - 0.2m x 0.1 - 0.3m (height x width) |
| Habit: | Spreading |
| Form: | Round |
| Texture: | Fine |
| Landscape Uses: | Medicinal plant |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Alternate, Soft flexible, Pubescent, Linear, Oblanceolate, Entire |
| Flowers: | Head (capitulum), Yellow, Jun-Jul-Aug |
| Fruit: | Cypsela (achene + calyx), Brown, Jul-Aug-Sep-Oct |
| Key ID Features: | |
| Highly branched annual to 20cm tall, common in sidewalk cracks or disturbed moist acidic soils; leaves opposite, oblanceolate, velvety short hairs, grayish light green, mostly 1-4cm long x 2-3.5mm wide; heads yellow, only 2-3mm wide, in terminal clusters of 3-10. | |