On Rhizocarpon geographicum f. atrovirens in Shikoku
By: Isao Yoshimura & Tsugiwo Yamanaka
Contributors: Yamanaka, Tsugiwo
Published: 1961
Language: jpn
Number of pages: 24
Notes: From the Journal of Japanese Botany, volume 36, number 9, pages 23-24.

Text in Japanese; summary in English.