File:EB1911 Pteridophyta - Nephrodium filix-mas.jpg

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EB1911_Pteridophyta_-_Nephrodium_filix-mas.jpg ‎(595 × 521 pixels, file size: 144 KB, MIME type: image/jpeg)

Description
English: Nephrodium filix-mas: A, Prothallus viewed from the lower surface; ar, archegonia; an, antheridia; rh, rhizoids (much enlarged). B, Prothallus bearing a young fern plant; b, first leaf; w, primary root.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 22, 1911, “Pteridophyta,” fig. 7, p. 611.
Author From Strasburger's Lehrbuch der Botanik
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

File history

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Date/TimeThumbnailDimensionsUserComment
current16:58, 3 June 2017Thumbnail for version as of 16:58, 3 June 2017595 × 521 (144 KB)Bob Burkhardt{{Information |Description ={{en|1=''Nephrodium filix-mas'': ''A'', Prothallus viewed from the lower surface; ''ar'', archegonia; ''an'', antheridia; ''rh'', rhizoids (much enlarged). ''B'', Prothallus bearing a young fern plant; ''b'', first leaf;...
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