Abstract Trichomanes speciosum is a protected fern whose sporophyte generation abundant on the island of Terceira (Azores archipelago, Portugal) but dispersal mechanism has never been directly documented. Based its distribution, bird‐mediated epizoochory likely for spore dispersal, there no evidence to support this hypothesis. Laboratory experiments were performed test transportability T . spor...

Stomata exert control on fluxes of CO2 and water (H2O) in the majority vascular plants thus are pivotal for planetary carbon H2O. However, mosses, significance possible function sporophytic stomata not well understood, hindering understanding ancestral evolution these key structures land plants. Infrared gas analysis 13CO2 labelling, with supporting data from gravimetry optical scanning electro...

NTHOCYANIN pigmentation of the aleurone layer in maize endosperm A is influenced by the stippled allele of the R locus in two characteristic ways. First, it conditions the irregular distribution of seed pigmentation aptly described by its name (Figure 1). Occasionally the instability is lost in the germ line, yielding a strongly and uniformly pigmented form termed self-colored (Rc). In the nome...

The chronic effect of dehydration on photochemical efficiency was determined in two heteromorphic life-history stages a cultivated red alga, Neopyropia yezoensis f. narawaensis (=Pyropia narawaensis; Bangiaceae, Bangiales) from Saga, Kyushu Island, Japan. response to acute emersion (~1440-min) under 50% humidity dissimilar between the stages, and effective quantum yields photosystem II microsco...