id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_shi5l2sianfuplbzpif45fqyie	Caroline Polgar	Drivers of leaf-out phenology and their implications for species invasions: insights from Thoreau's Concord	2013.0	10	.pdf	application/pdf	9019	1087	74	the duration of chilling required by each species before leaf out and Table 1 Species used in the study listed with their functional group, chilling requirement, days to leaf out after twig collection in March 2013, date of leaf out in required fewer than 83 winter chilling days, species in the moderate category required fewer than 114 winter chilling days and species in shrubs requiring mostly minimal winter chilling and native trees Species with strong chilling requirements were all native Species with minimal chilling requirements were the fastest to leaf requirements than native trees and shrubs; and the leaf-out dates of Along the x-axis, species are listed in the order in which the twigs collected in March leafed out in the laboratory for the first time. Fig. 4 First leaf-out dates (FLDs) of species in each chilling requirement Table S2 Days to first leaf out for study species for each collection	./cache/work_shi5l2sianfuplbzpif45fqyie.pdf	./txt/work_shi5l2sianfuplbzpif45fqyie.txt