nonvascular การใช้

• Nonvascular land plants are embryophytes that lack the vascular tissues xylem and phloem.
• He collected ferns, lycopods, and nonvascular plants in North America, Jamaica and New Zealand.
• He also published the 570 page textbook " Nonvascular plants : An evolutionary survey ".
• In a study of alpine mires in Italy, ribbed bog moss was intermediate in mire pH and mineral content compared to associated nonvascular and vascular plant species, occurring on both poor and rich mires.
• Algae lack the various structures that characterize land plants, such as the phyllids ( leaf-like structures ) of bryophytes, rhizoids in nonvascular plants, and the roots, purple and green sulfur bacteria.
• In the 2003 United States EPA assessment report it was stated that clothianidin should not present a direct acute or chronic risk to freshwater and estuarine / marine fish, or a risk to terrestrial or aquatic vascular and nonvascular plants.
• Best said the head of the company's international division, James Corbett, has stepped down, though he remains an employee . Corbett has been replaced by Paul LaViolette, who had been in charge of the company's nonvascular products division for several years.