order
Horsetails
Equisetales
Field notes
Equisetales is an order of subclass Equisetidae with only one living family, Equisetaceae, containing the genus Equisetum (horsetails), as well as a variety of extinct groups, including the tree-like Calamitaceae.
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Top native horsetails All
Native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Field Horsetail
Equisetum arvense
hosts
1
food
19
flowers
1
-
Wood Horsetail
Equisetum sylvaticum
hosts
1
food
15
-
Meadow Horsetail
Equisetum pratense
hosts
1
food
15
-
Marsh Horsetail
Equisetum palustre
hosts
1
food
14
-
Water Horsetail
Equisetum fluviatile
food
19
-
Rough Horsetail
Equisetum hyemale
food
16
-
Variegated Horsetail
Equisetum variegatum
food
16
-
Great Horsetail
Equisetum telmateia
food
15
flowers
3
-
Dwarf Horsetail
Equisetum scirpoides
food
10
-
Smooth Horsetail
Equisetum laevigatum
food
9
flowers
1