. A popular description of the common Oregon ferns; contribution from the Herbarium of the University of Oregon. ee. Sori oblique to midrib,f. Fronds pinnate,sori oblong. AspleniumPage 15. THE COMMON OREGON FERNS ff. Fronds bipinnate,sori curved. AthyriumPage 17

Size: 1474px × 1696px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidpopulardescr, bookyear1913