Pteridophytes (ferns and lycophytes) are a widespread group of plants of around 13,000 species found in almost every habitat in the world. We selected 1,500 species of pteridophytes at random from a ...

Apical cells on the verge of dividing, or having recently formed a new segment, or actually dividing, are not uncommonly encountered in bryophytes and pteridophytes. This is interpreted as evidence ...

Aim To search for differences in the spatial variability of upper and lower elevational distribution limits of tropical ferns, based on the assumption that these are determined to different degrees by ...