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Abstract Rare species present a challenge under changing environmental conditions as the genetic consequences of rarity may limit… Expand Base map from parts of the USGS 7.5-minute Del Mar, CA Quadrangle. Coordinates calculated from base map and taken from Google… Expand We conducted a census of the rare pine, Pinus torreyana ssp. torreyana, to determine (a) its population size and whether it is… Expand SummaryTorrey pine exhibits a pattern of seed release intermediate between an open and closed-cone species. It was found that the… Expand Over the past century, the spread of the common reed (Phragmites australis) has had a dramatic impact on wetland communities… Expand Recent reviews have suggested that tree species are the most variable of organisms, as measured by proportion of polymorphic loci… Expand In heteronuklearer Doppelresonanz (X = 13C, 31P) erzeugte Torrey-Oszillationen („transient nutations”) werden diskutiert. Die… Expand