Author:

Fairon-Demaret,M.;Leponce,I.

Year:

2001

Title:

Leaf dimorphism in Archaeopteris roemeriana (Progymnosperm): Further early fossil evidence of shoot dorsiventrality.

Reference:

Fairon-Demaret,M. et al. (2001) Leaf dimorphism in Archaeopteris roemeriana (Progymnosperm): Further early fossil evidence of shoot dorsiventrality. American Journal of Botany Vol. 88 # 4 P. 729- 735

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