ABSTRACT Asplenium nidus L. commonly called as Bird’s Nest Fern, is a threatened, ornamental fern, which is widely used as novel foliage ornamental plant and local people use it in worship. The taxon ...

One of them contained tracheids. 9. The archegonia vary from about seven to eleven, and all open on the micropylar end of the prothallium. The neck varies greatly in shape and number of cells. Two ...

The spermatozoids of Dryopteris were never observed in the archegonia of Athyrium. Incompatibility was not observed within and between the two Athyrium species, within Dryopteris filix-mas or between ...

The gametangia appeared on the abaxial surface of the gametophyte with archegonia (ca. 7) near the notch and many antheridia (ca. 20) distributed mainly towards the base, mixed between rhizoids (Fig.

For P. patens PLDs, expression profiles of different tissues, including spores, caulonema, chloronema, protoplast, rhizoids, gametophore, archegonia, and sporophytes from the S1, S2, S3, and M stages, ...

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However, the specific ligand released by the archegonia that triggers this chemotactic response by the sperm remains unknown. Archegonial secretion of chemoattractants also occurs in some gymnosperms ...

Archegonia were isolated from gametophores exposed to short day conditions for 15 days. Dissection was done manually under the stereoscope (SMZ800; Nikon) and placed into Trizol.