Biblio
“The Effects of Aboveground and Belowground Competition on Understory Species Composition in a Pinus densiflora Forest”, Forest Science, vol. 41, pp. 864–889, 1995.
, “EOARC Annual Report, Special Report 923: Understory Response to Thinning Ponderosa Pine in Northestearn Oregon”, Oregon Agricultural Experiment Station, 1993.
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