Robuta

https://www.flickr.com/photos/15055578@N06/54681128964/in/pool-delaware_gov
Pollen collected on the bee's abdomen. Bombay Hook NWR, Delaware.
westerncarpenterbeeconeflowerflickr
https://www.flickr.com/photos/15055578@N06/54677703912/in/pool-delaware_gov
On coneflower. Bombay Hook NWR, Delaware.
threadwaspconeflowerbombayflickr
https://www.gardengatemagazine.com/articles/flowers-plants/bird-butterfly-friendly/this-or-that-best-native-perennial-black-eyed-susan-vs-purple-coneflower/
This or That: Black-Eyed Susan Vs. Purple Coneflower: Find out which wildlife-friendly native perennial is best for your garden: black-eyed Susan or purple...
blackeyedsusanvspurple
https://www.flickr.com/photos/15055578@N06/54680900356/in/pool-delaware_gov
Bombay Hook NWR, Delaware.
brownbeltedbumblebeeconeflowerflickr
https://www.birdsandblooms.com/gardening/flower-gardening/purple-coneflower/
Learn how to grow purple coneflower. Adding these flowers to your yard is easy — and they're one of the best garden and prairie plants.
purpleconeflowercaregrowingtips
https://www.thespruce.com/growing-ratibida-columnifera-plants-5086856
Mexican hat flower or prairie coneflower (Ratibida columnifera) is a prolific, drought-tolerant wildflower with ornamentally interesting blooms.
growcaremexicanhatflower