| Class: | ferns |
| Order: | Equisetales |
| Family: | Equisetaceae |
| Genus: | Equisetum |
| Scientific name: | Equisetum variegatum Schleich. ex Web. et Mohr |
| Name acc. to: | Gubanov 1996 |
| Herbar: | list records   |
| Description: | Stems perennial, caespitose, 6-30 cm high, 0.75-2 mm in diameter, branched only in lower most part, numerous, forming tufts. Stems with 4-10 ribs, central and peripheral cavities. Stem vaginae marked with a black band, with 4(6) lanceolate teeth. Sporiferous spikes oval, acute. |
| Confuse with: | scirpoides Michx. |
| Tax. Comments: | The difference to E. scirpoides referring to the teeth of leaf sheath is not clear (compare Flora of Siberia and Grubov 1986) . |
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| Habitat: | Forest belt (Grubov 2001). |
| Habit (i)general appearance of a plant | |
| Growth form: (i)Herb, shrub, tree or climber. | herb (i)Herbaceous, erect plant, up to 2m high, mostly with a leafy shoot; if perennial, shoots die to the ground each season, shoots are not woody
example: Artemisia pectinata 
perennial (i)Living for several to many years, as opposed to annual and biennial
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| Flower (i)reproductive portion of the plant, consisting of sepals, petals, stamens, and pistils | |
| Ovary position: (i)For entirely or partly fused carpels, describe their position in relation to the insertion point of perianth leaves (best done by doing a longitudinal section of a flower). | absent (i)Without ovary: male flowers  inherited by order Equisetales: absent
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| Root / shoot below ground (i)plant part below ground (in most cases), including below ground shoots, without leaves | |
| Root type: (i)Organisation of the roots. | homorhizous (i)Many equal roots
example: Monocotyledonae inherited by vasc. plants: homorhizous
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| Distribution (i)region where the plant is likely to be found | |
| Distribution (Veg. Zones): (i)acc. to Grubov 1952 | Khubsgul (i)In distribution data often named as '1' 
Mongol-Daurian (i)In distribution data often named as '4' 
acc. to: Gubanov 1996 |