Rolled liverwort mats explain major Prototaxites features: Response to commentaries

Linda E. Graham, Martha E. Cook, David T. Hanson, Kathleen Pigg, James M. Graham

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


In volume 97(2) of the American Journal of Botany (pp. 268 - 275), we published an article entitled "Structural, physiological, and stable carbon isotopic evidence that the enigmatic Paleozoic fossil Prototaxites formed from rolled liverwort mats". Here, we respond to a letter and a commentary on our article in the present issue, welcoming this opportunity to continue the scientific dialogue about an issue that has long been stimulating and controversial. For the reader' s benefit, we first briefly describe the recent scholarly context of our article.

Original languageEnglish (US)
Pages (from-to)1079-1086
Number of pages8
JournalAmerican Journal of Botany
Issue number7
StatePublished - Jul 2010

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Plant Science


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