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Words related to spore-bearing

bearing spores instead of producing seeds

References in periodicals archive ?
supernatural intervention) prevented these plants or their pollen to be trapped in the Flood sediments; or (3) evidence of their presence has somehow been overlooked despite studies of hundreds of well-preserved, spore-bearing sediments around the world.
These coal formations, found worldwide, are always associated with ferns and lycopods and are surrounded by sedimentary rocks which contain evidence of spores of these and other spore-bearing plants.
However, to critically distinguish the species and varieties in this group, it was essential to characterize several microscopic features, such as basidiospores, the various types of cells in the hymenium (the spore-bearing layer lining both sides of the gills), and the tissues of the mushroom.
Polymyxin B was first isolated from a spore-bearing soil bacillus in 1947.
At the same time the mould, which comprises spore-bearing growths called conidiophores, appears on the surface.
Histological studies also revealed hyphae growing between epithelial cells to establish spore-bearing, subcuticular, acervuli.
Unlike mushrooms, which have fruiting bodies (caps and spores) above ground, the spore-bearing tissue of truffles remains enclosed and below ground.
Look for dark spots on leaf margins (pictured right), which under wet conditions are surrounded by whitish spore-bearing mould, especially on the underside of leaves.
However, several lineages of terrestrial homobasidiomycetes have lost ballistospory, including puffballs and other forms with enclosed spore-bearing structures.
These pictures illustrate individual spore structures; colors and relative sizes; spore masses or aggregates; and/or the spore-bearing structures on the host plants, debris, or soil.
Once the infection grows into the root stock, it can overwinter and cause the host to produce spore-bearing flowers in subsequent seasons.
For these latter analyses, only data for Macrocystis collected during November through April of all years were examined since these were the only months in which spore-bearing Pterygophora plants were observed.
This walk will focus on spore-bearing plants most active in winter: mosses, lichen and ferns.
The human respiratory infectious dose 50 (dose that will produce an infection in 50% of exposed persons) is unknown but has been estimated to be 8,000 to 10,000 spore-bearing particles <5 [micro]m in diameter (7).
From the meninges, brain, spleen, and blood a spore-bearing aerobe was grown in pure culture.