Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统的植物。即除了地、角苔以外的所有植物。

The distribution and accumulation dynamic of 14CO32- in red common carp and hornwort was studied by using isotope-tracer technology.

本文采同位素示踪技术研究了14CO32-在红鲤藻中的分布与积累动态。

Pyrenoid A protein structure found in the chloroplasts of green algae and hornworts (Anthocerophyta). Pyrenoids are associated with the storage of starch.

淀粉核，蛋白核：在绿藻角苔（角苔门）的叶绿体中所发现的蛋白质结构。淀粉核与淀粉的储存有关。