@article {114,
	title = {Araceae from the Early Cretaceous of Portugal: evidence on the emergence of monocotyledons},
	journal = {Proc. Natl. Acad. Sci. USAProc. Natl. Acad. Sci. USA},
	volume = {101},
	number = {47},
	year = {2004},
	pages = {16565-16570},
	keywords = {fossil angiosperms, angiosperm evolution, striate pollen, zona-aperturate pollen, extinctions},
	author = {Friis, Else Marie and Pedersen, Kaj Raunsgaard and Crane, Peter R.}
}
