Stigmaria

Stig·ma'ri·a noun [ New Latin See Stigma .] (Paleon.) The fossil root stem of a coal plant of the genus Sigillaria .
Found on http://www.encyclo.co.uk/webster/S/197

Stigmaria

• (n.) The fossil root stem of a coal plant of the genus Sigillaria.
Found on http://thinkexist.com/dictionary/meaning/stigmaria/

Stigmaria

(from the article `Lepidodendron`) ...known to belong definitely to Lepidodendron: cones (Lepidostrobus), leaves (Lepidophylloides, or Lepidophyllum), seeds (Lepidocarpon), and ...
Found on http://www.britannica.com/eb/a-z/s/162

stigmaria

stigmaria: see Lepidodendron and Sigillaria.
Found on http://www.infoplease.com/ce6/sci/A0919116.html

Stigmaria

Stigmaria are a type of branching tree root fossil found in Carboniferous rocks. They were the roots of coal forest lycopsid trees such as Sigillaria and Lepidodendron. Each trunk tended to have four of those roots. Stigmaria is a form taxon, as the genus and species of the plant bearing the root is not identified. ...
Found on http://en.wikipedia.org/wiki/Stigmaria
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