Sample systematic reviews:

http://jpe.oxfordjournals.org/content/early/2014/12/07/jpe.rtu030.full

http://www.researchgate.net/profile/Christopher_Lortie/publication/265053296_A_systematic_review_and_conceptual_framework_for_the_mechanistic_pathways_of_nurse_plants/links/544eaba30cf29473161be6e5.pdf

http://www.esajournals.org/doi/abs/10.1890/ES14-00117.1

Sample spreadsheets:

http://figshare.com/articles/A_systematic_review_of_the_ecological_literature_on_cushion_plants/1047279

http://figshare.com/articles/The_dataset_for_a_systematic_review_of_the_attractant_decoy_and_repellent_plant_hypotheses_do_plants_with_heterospecific_neighbours_escape_herbivory_/1494649

http://figshare.com/articles/Indirect_interactions_in_terrestrial_plant_communities_emerging_patterns_and_research_gaps_Dataset/1488540