New Species of Foamflower
…of Tiarella (Saxifragaceae) in the eastern USA. Phytoneuron 2021-31: 1–61. http://www.phytoneuron.net/2021Phytoneuron/31PhytoN-Tiarella.pdf Wikipedia contributors, ‘John Clayton (botanist)’, Wikipedia, The Free Encyclopedia, 28 May 2021, 13:23 UTC, <https://en.wikipedia.org/w/index.php?title=John_Clayton_(botanist)&oldid=1025602291> [accessed 28 January 2022]…