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(Vol. 09, 2006-12) Species-Area Relationships Indicate Large-Scale Data Gaps in Herbarium Collections
Species-area relationships (SAR) are useful in predicting species richness for a given geographical area. Using SAR and the state of Texas as a case study, we present a model that provides a quantifiable and objective ...
(Vol. 09, 2006-12) Species Of Philadelphus (Hydrangeaceae) From Trans-Pecos Texas
Three species of Philadelphus are accepted as occurring in Trans-Pecos, Texas: P. mearnsii, P. microphyllus, and P. serpyllifolius. Philadelphus mearnsii is known only from Culberson and El Paso counties; P. microphyllus ...