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Detection of high levels of pyrrolizidine-N-oxides in the endangered plant Cryptantha crassipes (Terlingua Creek cat's-eye) using HPLC-ESI-MS.
TLDR
The high levels of the N-oxides of lycopsamine and intermedine establish the genus chemotype of the endangered Cryptantha crassipes and support earlier data linking high levels in pyrrolizidine alkaloids to dry, harsh growing conditions.
SELECTION OF ECOLOGICAL SITES BY PRONGHORN IN TRANS-PECOS REGION OF TEXAS
Abstract Rangeland managers use the ecological site concept to segment rangelands into discrete areas capable of supporting a particular suite of vegetation. Ecological site data are easily
Habitat Characteristics of Winter Roost Sites of Wild Turkeys in Trans-Pecos, Texas
Abstract Wild turkeys (Meleagris gallopavo) occur intermittently throughout Trans-Pecos, Texas. In the lower desert of the Trans-Pecos, turkeys are associated strongly with the limited riparian