June 24, 2022 A new page on Leaf Margin Analysis (LMA) has been added to the paleoecology chapter. LMA is a technique used to estimate mean annual temperature using fossil leaves of flowering trees and shrubs. Explore here: https://www.digitalatlasofancientlife.org/learn/paleoecology/paleoclimate/lma/ Image: Eocene Green River Formation (Parachute Creek Member) plant fossils at display at the Utah State Field House of Natural History …
Leaf Structure & Evolution
June 4, 2020 A new page has been added to the Embryophytes chapter of Digital Encyclopedia of Ancient Life (DEAL): Leaf structure & evolution. This page explores the identity, structure (morphology and anatomy), and origins of leaves. It is part of the section “Introduction to vascular plant structure.”