"grassroots structures" is a correct and usable phrase in written English.
It refers to organizations or movements that are created and led by people at a local level, rather than by those in positions of power or authority. Example: The success of the campaign was attributed to the strong grassroots structures that were established in every community.
All of us who recognise the vitality of this possibility can begin creating these new grassroots structures from the bottom-up, right now".
"We have a magnificent complement of players, fans, volunteers and staff representing our sport, from the grassroots structures to the top of the professional game.
These grassroots structures, created by President Julius Nyerere in the 1960s, still form the basis of Tanzanian village life today and have provided the solid foundation for Tanzania to deliver public health programmes on a massive scale.
The obscene poverty and inequality is fuelling social tensions, and in the absence of credible grassroots structures, violence has become the only language people feel will get their leaders to listen.
Investment in community-centred health workers is receiving increased attention following a period of scepticism about the cost and utility of investing in grassroots structures (McCord et al. 2012; Naimoli et al. 2012; Somanje et al. 2012).
The Scot is starting from scratch with an entire grassroots structure for girls' endurance running.
Speaking on LBC radio, he said Ukip would be "extremely active" in the no campaign, as the only Eurosceptic organisation with a "big grassroots structure on the ground".
Greens NSW has a very grassroots structure, in which local groups elect delegates to a state delegates council, the highest decision-making body in the state structure.
And while the FA insists its child-safeguarding unit and a network of designated safety officers throughout the grassroots structure makes it far less likely such abuse could persist today, campaign groups believe there is still not enough protection for would-be whistleblowers.
They came to recognize that a weak, largely empty Republican grassroots structure in the South was ripe for takeover and colonization.
On the basis of its grassroots structure and ideological orientation, we expected CCAAC's advocacy tactics to exemplify visible forms of contentious politics such as petitions, protest marches and rallies in public spaces directed at a government which is viewed as an adversary (Taylor and Van Dyke 2004; Snow and Soule 2010).
