|[Note Guidelines] Photographer's Note|
|Giant horsetail (Equisetum telmateia Ehrh.)|
Relic of an old group that dominated the world in the carboniferous period. That time horsetails had size of trees and were known as Calamites (Family Calamitaceae)
This species is widespread in Europe but not common. Introduced and regarded to be an invasive species in North America Occurs in damp and often shady ground that is not strongly acid.
Stems are 8-12 mm across. Plant are big - can be even up to 2 metres tall.
Identification: Sheaths normally have over 20 teeth. Plant is profusely, regularly branched along its entire length
Fertile stems (brown, with cones) do not have branches or turn green but die down in early summer, and have sheaths with 20-30 teeth; no other Horsetail normally has brown fertile stems with more than 20 teeth.
(info based on members.eunet.at/m.matus/Equisetum_telmateia.html)
exposure bias -0.3
focal length 35mm: 280mm
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