Collenchymatous exothecial cells, a typical feature of Sematophyllaceae... | Download Scientific Diagram
![Rare Tunbridge Filmy Fern Frond One Cell Thick ( Hymenophyllum tunbrigense ), Hymenophyllaceae. Sussex, UK Stock Photo - Alamy Rare Tunbridge Filmy Fern Frond One Cell Thick ( Hymenophyllum tunbrigense ), Hymenophyllaceae. Sussex, UK Stock Photo - Alamy](https://c8.alamy.com/comp/RWXMAC/rare-tunbridge-filmy-fern-frond-one-cell-thick-hymenophyllum-tunbrigense-hymenophyllaceae-sussex-uk-RWXMAC.jpg)
Rare Tunbridge Filmy Fern Frond One Cell Thick ( Hymenophyllum tunbrigense ), Hymenophyllaceae. Sussex, UK Stock Photo - Alamy
![The structure and development of mosses and ferns (Archegoniatae). Fig. 36.—a, D, Riella Americana; B, C, R. helicophylla; A, Apex of female plant, X8;B, C, lateral and ventral view of the The structure and development of mosses and ferns (Archegoniatae). Fig. 36.—a, D, Riella Americana; B, C, R. helicophylla; A, Apex of female plant, X8;B, C, lateral and ventral view of the](https://c8.alamy.com/comp/2AFMTPY/the-structure-and-development-of-mosses-and-ferns-archegoniatae-fig-36a-d-riella-americana-b-c-r-helicophylla-a-apex-of-female-plant-x8b-c-lateral-and-ventral-view-of-the-growing-point-xsoo-x-apical-cell-z-leavesd-male-plant-x-ij-ca-d-after-howe-b-c-after-leitgeb-further-investigated-the-question-of-the-growing-point-hefinds-that-while-an-apical-cell-is-absent-in-the-younger-stagesit-is-formed-later-in-normal-plants-both-archegonia-and-antheridia-resemble-those-of-sphcero-carpus-very-closely-and-the-structure-of-the-sporophyte-is-alsothe-same-no-true-2AFMTPY.jpg)
The structure and development of mosses and ferns (Archegoniatae). Fig. 36.—a, D, Riella Americana; B, C, R. helicophylla; A, Apex of female plant, X8;B, C, lateral and ventral view of the
![Filmy Fern Hymenophyllaceae on Nature. Its Leaves are so Thin, they Comprise of only on Cell. Stock Photo - Image of zealand, fern: 180674762 Filmy Fern Hymenophyllaceae on Nature. Its Leaves are so Thin, they Comprise of only on Cell. Stock Photo - Image of zealand, fern: 180674762](https://thumbs.dreamstime.com/z/filmy-fern-hymenophyllaceae-nature-its-leaves-thin-comprise-cell-ferns-largest-family-new-zealand-180674762.jpg)
Filmy Fern Hymenophyllaceae on Nature. Its Leaves are so Thin, they Comprise of only on Cell. Stock Photo - Image of zealand, fern: 180674762
![Periphylla periphylla, testis with sperm-releasing pore, drawing from... | Download Scientific Diagram Periphylla periphylla, testis with sperm-releasing pore, drawing from... | Download Scientific Diagram](https://www.researchgate.net/profile/Gerhard-Jarms/publication/225552489/figure/fig4/AS:411197393391620@1475048506833/Periphylla-periphylla-testis-with-sperm-releasing-pore-drawing-from-histological.png)