It’s a fern, of course. This one is quite common in the Southeast, stretching north into the Ohio River Valley and New England and west to eastern Texas. Southern grape-fern, Sceptridium biternatum, ...

(a) Sporophytes and (b) independent gametophytes. (c) Strap-like individual gametophytes under the microscope. Scale bar is 5.0mm. (d) Clonal forming (reproduction) by gametophytes under the ...

Humans have it easy. For ferns, reproduction is much more involved. In many animals, the sex of offspring is, biologically speaking, decided between the parents. But for Japanese climbing ferns ...

Question: I’ve noticed tiny ferns growing on branches of oak trees. They seem to dry up during dry weather, then come back alive when it rains. What is this plant? How can I get some growing in my ...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

Fern Britton showed off her five-stone weight loss during a cycling holiday in Italy. The presenter, 68, has been open about her weight struggles in the past, having ranged from a size 12 to a size 22 ...

Land bird migration is in full swing this month in San Diego County, with warblers and flycatchers among those most commonly seen. Warblers crawl along tree limbs and branches to dine on their ...

This is a preview. Log in through your library . Abstract Background and Aims Organisms often balance among reproduction, growth and survival. When these processes are in competition, selection may ...

This is a preview. Log in through your library . Abstract Nephrolepis exaltata cv. Bostoniensis, the Boston fern, exhibits extreme stem dimorphism. The plant has orthotropic, dictyostelic shoots which ...