11. "Cleistesiopsis " is a terrestrial orchid with an underground network of spreading fibrous roots . 12. This species is a perennial herb growing from rhizomes with a fibrous root system. 13. Grasslands contribute to soil organic matter, stored mainly in their extensive fibrous root mats. 14. The stem is covered with fine white hairs, and grows from deep fibrous roots . 15. It is a herb producing one erect stem from a fibrous root and caudex unit. 16. Perennial ryegrass has a fibrous root system, with thick main roots and thinner lateral branches. 17. This species is a perennial bunchgrass with fibrous roots . 18. It has a fibrous root network and no rhizomes. 19. This perennial herb grows from rhizomes and fibrous roots . 20. "Ripogonum scandens " has a fibrous root rich in starch and used as a beer flavouring.
