thalloid การใช้

• The tip continues to divide new cells, which produces a thalloid protonema.
• Most other liverworts are thalloid, with no leaves.
• One simple thalloid liverwort is not photosynthetic.
• The spores germinate to give thalloid protonemata.
• It is a simple, thalloid organism . " M . metzgerioides " is known from more fragmentary material dating to the Carboniferous of Scotland.
• The earliest megafossils of land plants were thalloid organisms, which dwelt in fluvial wetlands and are found to have covered most of an early Silurian flood plain.
• The simple thalloids were not given ordinal status until 1930 by Chalaud . or the group was retained within the Jungermanniales as a suborder with either this name or the name " Metzgerineae ".
• In exceptional cases such as the Lemnoideae, where the structure of a vascular plant is in fact thallus-like, it is referred to as having a thalloid structure, or sometimes as a "'thalloid " '.
• In exceptional cases such as the Lemnoideae, where the structure of a vascular plant is in fact thallus-like, it is referred to as having a thalloid structure, or sometimes as a "'thalloid " '.
• Schljakov's 1972 classification had elevated several subordinal groups within the simple thalloids to the rank of order, and treated the Metzgeriales itself as a superorder " Metzgerianae ", but Schuster's 1984 system rejected most of these changes.
• The moss life-cycle starts with a haploid spore that germinates to produce a protonema ( " pl . " protonemata ), which is either a mass of thread-like filaments or thalloid ( flat and thallus-like ).