Definition that contains thalli
- usneaceae fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria
- marchantiaceae liverworts with prostrate and usually dichotomously branched thalli
- william crookes English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)
- crookes English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)
- pleurothallis any of numerous small tufted orchids of the genus Pleurothallis having leathery to fleshy leaves and racemes of 1 to many small flowers
- family marchantiaceae liverworts with prostrate and usually dichotomously branched thalli
- sir william crookes English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)
- family usneaceae fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria