Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
CHAPTER XII.--PTERIDOPHYTES 102
Bryophytes and Pteridophytes; Germination and Prothallium; Structure of Maiden-hair Fern.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
Bryophytes and Pteridophytes; Germination and Prothallium; Structure of Maiden-hair Fern.