Alien Plant Invader: Italian arum (Orange Candleflower) | City Green Blog | The City of Portland, Oregon
![Heuchera richardsonii Prairie alum root Prairie alumroot Richardson's alum root hispida Care Plant Varieties & Pruning Advice Heuchera richardsonii Prairie alum root Prairie alumroot Richardson's alum root hispida Care Plant Varieties & Pruning Advice](https://www.shootgardening.co.uk/uploaded/images//plants/plant_13134/thumb_180_plant_13134_shoot_20120531110541.jpg)
Heuchera richardsonii Prairie alum root Prairie alumroot Richardson's alum root hispida Care Plant Varieties & Pruning Advice
![Photo of the entire plant of American Alum Root (Heuchera americana var. hirsuticaulis) posted by dormantsrule - Garden.org Photo of the entire plant of American Alum Root (Heuchera americana var. hirsuticaulis) posted by dormantsrule - Garden.org](https://garden.org/pics/2012-08-01/dormantsrule/2e7099.jpg)
Photo of the entire plant of American Alum Root (Heuchera americana var. hirsuticaulis) posted by dormantsrule - Garden.org
![Perennial Plant Heuchera Hybrid Known As Alum Root in Rockery in the Garden Stock Photo - Image of nature, flowers: 151548760 Perennial Plant Heuchera Hybrid Known As Alum Root in Rockery in the Garden Stock Photo - Image of nature, flowers: 151548760](https://thumbs.dreamstime.com/z/perennial-plant-heuchera-hybrid-known-as-alum-root-rockery-garden-perennial-plant-heuchera-hybrid-known-as-alum-root-151548760.jpg)
Perennial Plant Heuchera Hybrid Known As Alum Root in Rockery in the Garden Stock Photo - Image of nature, flowers: 151548760
![Heuchera 'Chocolate Ruffles' a herbaceous perennial a spring summer foliage plant with purple leaves commonly known as alum root, stock photo image Stock Photo - Alamy Heuchera 'Chocolate Ruffles' a herbaceous perennial a spring summer foliage plant with purple leaves commonly known as alum root, stock photo image Stock Photo - Alamy](https://c8.alamy.com/comp/2GDMMCP/heuchera-chocolate-ruffles-a-herbaceous-perennial-a-spring-summer-foliage-plant-with-purple-leaves-commonly-known-as-alum-root-stock-photo-image-2GDMMCP.jpg)