Armstrong, RA 1979: Growth response of lichen thalli with central portions artificially removed. - Environmental and Experimental Botany19: 175-178. [RLL List # 105-5 / Rec.# 910] Keywords: GROWTH/ PARMELIA/ XANTHOPARMELIA
Abstract: 1 figure. 1 table. ["The 12-month radial growth of Parmelia conspersa thalli with isidia or apothecia was not influenced by removal of the thalli centres." Apparently fixed carbon for radial growth is generated in the perimeter and not transported from the center. Fragments removed regenerated new growing points.]
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