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Knobloch, Irving William 1907,

Ferns and fern allier of chihuahua / Mexico by irving w. knobloch and donovan s. correl, with ilus. by phoebenJane horing and Jane w. roller. - 198 páginas - Contributions from texas research foundation. a series of botanical studies ; v. 3 .

Subjects--Topical Terms:
Pteridofitas
Helechos--Chihuahua

LC Class. No.: QK526.M4 / K54