There are five varieties of Daylily in the scene. Each variety includes five plants in various stages of flowering - a total of 25 unique plants.

Name: Hemerocallis_2014_corona
Version: 2014
Polys: 1538974
XForm:Yes
Box Trick: Yes
Model Parts: 25
Render: Corona
Formats: 3Ds Max 2014
Material library: Corona, Vray (in addition to the Corona material library, the archive also contains a material library for Vray)

Those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whatever suits you best.
For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured with PBR in mind.