CHAPTER VIII

Chapter 868 wordsPublic domain

SYSTEMATIC

I. CLASSIFICATION

A. WORK OF SUCCESSIVE SYSTEMATISTS 304 _a._ Dillenius and Linnaeus _b._ Acharius _c._ Schaerer _d._ Massalongo and Koerber _e._ Nylander _f._ Müller-Argau _g._ Reinke _h._ Zahlbruckner

B. FAMILIES AND GENERA OF ASCOLICHENS 311

C. HYMENOLICHENS 342

II. NUMBER AND DISTRIBUTION

1. ESTIMATES OF NUMBER

2. GEOGRAPHICAL DISTRIBUTION

A. GENERAL SURVEY 343

B. LICHENS OF POLAR REGIONS 345

C. LICHENS OF THE TEMPERATE ZONES 348

D. LICHENS OF TROPICAL REGIONS 352

III. FOSSIL LICHENS