Rudolph Arnold Maas Geesteranus

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Rudolf Arnold Maas Geesteranus   (1911- 2003)   (Maas Geest.)

Lichenologist (Netherlands)


Published author of:

Evernia prunastri var. herinii (P.A. Duvign.) Maas Geest., 1954
Parmelia aspera f. aspidota (Ach.) Maas Geest., (1948)   (see Melanohalea exasperata)
Physcia grisea f. harmandii Maas Geest., 1952
Physcia grisea f. sorediosa (Malbr.) Maas Geest., 1952
Physcia nigricans f. tremulicola (Nyl.) Maas Geest., 1952
Xeromphalina aspera Maas Geest., Persoonia 15(1): 50 (1992)


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