biennial herb

From 1984 to 1985 the author carried the experiment on annual and biennial herb flowers soilless seedling in Northeast Forestry University flowers garden.

于1984年&1985年在东北林业大学花圃，对一二年生草花进行了无土育苗试验。

Celery is the umbrella-type family and biennial herb, also known as celery, celery drugs and Parsnip.

芹菜是伞形花科、二年生的草本植物，又名芹、药芹、蒲芹。

Conyza canadensis, an biennial or annual composite herb originating from North America, was widely disturbed in China, and now the species has became a common invasive plant.

小飞蓬（Conyza canadensis）为菊科越年生或一年生草本植物，原产北美洲，目前在我国广泛分布，已成为一种常见入侵植物。

The biomass of annual herb, biennial herb and annual biennial herb were all lower, but their seed amounts were above half of total;

一年生、二年生和一、二年生草本植物生物量较低，而种子数量占总量的一半以上；

Biennial herb, such as conventional and mint etc.

二年生草本, 如青蒿,薄荷等.

Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States.

地中海两年生草本植物，有长茎的紫色舌状花、乳白色树汁和可食用根；已被美国广泛种植。