| Class: | ferns |
| Order: | Equisetales |
| Family: | Equisetaceae |
| Genus: | Equisetum |
| Scientific name: | Equisetum hyemale L. |
| Name acc. to: | Gubanov 1996, not in Grubov 1982/2001 |
| Herbar: | list records  |
| Description: | Terrestrial plant. Stem wintering in green state, 20-80(100) cm tall, 3-10 mm in diam., with numerous obtuse ribs, unbranched or with few branches. Never flattening on drying. Sporiferous spikes about 1 cm long. |
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| Habitat: | Coniferous and sometimes birch forests, scrubs, banks of rivers, ravines and irrigation ditches (Plants of Central Asia, Vol. 6, 2002). |
| 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
|
| 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
|
| 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
|
| Distribution (i)region where the plant is likely to be found | |
| Distribution (Veg. Zones): (i)acc. to Grubov 1952 | Khangai (i)In distribution data often named as '3' 
Mongol-Daurian (i)In distribution data often named as '4' 
acc. to: Gubanov 1996 |