| Sample ID | 58-2-1 |
|---|---|
| Species | rugosa |
| Genus | Alnus |
| Family | BETULACEAE |
| Search |
| Pollen / Spore | pollen |
|---|---|
| Morphologic type | zonocolpate |
| Surface pattern | reticulate |
| Equatorial size | min 18, mean 20, max 22 |
| Polar size | min 16, mean 18, max 21 |
| Equatorial shape | circular |
| Grain arrangement | dicot |
| Wall thickness | 1.5 |
| Dispersal form | monad |
| Plant type | angiosperm |
|---|
| Collector | Exchange slide, Michigan |
|---|
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