Clipart tagged: ‘fern growth stages’

"A, B, C, D, Successive stages of growth of prothallium from the spore in Osmunda cinnamomea; E, growth of fern plant from fertilized egg within the prothallium of Osmunda Claytoniana." -Stevens, 1916

Fern Growth

"A, B, C, D, Successive stages of growth of prothallium from the spore in Osmunda cinnamomea; E, growth…

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