Ferns and fern allies of Chihuahua, Mexico
Knobloch, I.W., Correll, D.S.
Ferns and fern allies of Chihuahua, Mexico by I.W. Knobloch and D.S. Correll - Texas Texas Research Foundation 1962 - 198 p.
Ferns
635.975 / K 72 F
Ferns and fern allies of Chihuahua, Mexico by I.W. Knobloch and D.S. Correll - Texas Texas Research Foundation 1962 - 198 p.
Ferns
635.975 / K 72 F