TY  - BOOK
AU  - Spooner, David M.
AU  - Berg, Ronald G.
TI  - Systematic botany monographs : wild potatoes (solanum section petota; solanaceae of North and Central America v.68
SN  - 9780912861685
PY  - 2004///
CY  - 
PB  - American Society of Plant Taxonomists
ER  -