| 21. | Lichens are a symbiotic relationship between a fungus and an algae.
|
| 22. | They build a case covered with lichen and fragments of bark.
|
| 23. | This larvae feed on lichens and algae growing on dead wood.
|
| 24. | Crustose lichen forms a thin crust adhering closely to the substratum.
|
| 25. | He sent a significant collection of lichens from Egglestone to Smith.
|
| 26. | There is evidence to suggest that the lichen symbiosis is mutualistic.
|
| 27. | Under magnification, a section through a typical foliose lichen medulla.
|
| 28. | Overall, about 98 % of lichens have an ascomycetous mycobiont.
|
| 29. | He is regarded as American authority of tropical and Antarctic lichens.
|
| 30. | His peak period of lichen study was from 1950 to 1960s.
|
