Hawksworth, D. L.
Lichens as pollution monitors [by] David L. Hawksworth, Francis Rose - London Edward Arnold 1976 - [4], 60 p. ill., maps 22 cm. - Institute of Biology's studies in biology no. 66 .
Lichens
Plants, Effect of pollution on
Plant indicators
Pollution--Measurement
Lichens--Great Britain
Air--Pollution--Great Britain
589 / .1 / 045222
Lichens as pollution monitors [by] David L. Hawksworth, Francis Rose - London Edward Arnold 1976 - [4], 60 p. ill., maps 22 cm. - Institute of Biology's studies in biology no. 66 .
Lichens
Plants, Effect of pollution on
Plant indicators
Pollution--Measurement
Lichens--Great Britain
Air--Pollution--Great Britain
589 / .1 / 045222