TY  - BOOK
AU  - Horning,Phoebejane
AU  - Knobloch,Irving W.
AU  - Roller,Jane W.
TI  - Ferns and fern Allies of Chihuahua, Mexico
PY  - 1962///
CY  - Texas
PB  - Texas Research Foundation
KW  - Flora
KW  - Mexico
KW  - Helechos
ER  -