He thought that life was separable into two parts: the organic life (also sometimes called the vegetative system) and the animal life.

Other scientists have argued against Edelman's theory, instead suggesting that primary consciousness might have emerged with the basic vegetative systems of the brain.

"We picked up total wetland systems, upland vegetative systems," Mr. Gentile said.

Also they have a rhizoidal or hypha-like vegetative system (hence the prefix "Hypho-").

GreenTech is an American-based company which designs and installs modular turf and vegetative systems on athletic turf fields, rooftops, green roofs, urban agriculture and golf courses.

Neora Valley, one of the last tracts of virgin wilderness in the country, sustains a unique ecosystem where tropical, sub-tropical, sub-temperate, and temperate vegetative system still harbours a wealth of flora and fauna.