Mollugo verticillata USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 35. - Foto visualizzata 361 volte
| Mollugo verticillata Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image - Foto visualizzata 318 volte
| Mollugo verticillata Credit: Photo by Marco Banzato - Foto visualizzata 377 volte
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