Summary Ferns and lycophytes produce spores to initiate the gametophyte stage for sexual reproduction. Approximately 10% of these seedless vascular plants are apomictic, and produce genomic unreduced ...

Botonists reveals that the unique timing of spore dispersal in the sensitive fern, known as Onoclea sensibilis, is determined by a structural mechanism of humidity-driven movement in spore bearing ...

As a kid, I remember watching time-lapse videos of a flower blooming or of the sun racing across the sky. Of course, things don't happen that way in nature with one possible exception: sprouting, ...

The first mitosis in spores of the fern A. capillus-veneris was observed under a microscope equipped with Nomarski optics with irradiation from a safelight at 900 nm, and under a fluorescent ...

Back in the Middle Ages, and well into the 16th century, there was considerable confusion regarding the way plants worked, along with just about everything else. Plants — that is, all plants — were ...

There is something otherworldly about ferns. Their fronds suggest feathers and wings, and so when looking at them you may think of taking flight, most likely into the pre-historic past when they ...

The sensitive fern – named due to its sensitivity to drought and frost – is a widespread species found throughout eastern North America and eastern Asia. It is a dimorphic plant because it has two ...

There is something otherworldly about ferns. Their fronds suggest feathers and wings, and so when looking at them you may think of taking flight, most likely into the pre-historic past when they ...