TY  - BOOK
AU  - Lenz,L.W.
AU  - Hanson,M.
TI  - Yuccas (Agavaceae)of the international Four Corners: Southwestern USA and northwestern Mexico
UR  - https://drive.google.com/file/d/1zDALsE0mu0pZci52fpvrsuBBor3hFlLM/view?usp=drivesdk
ER  -