INDEX 



409 



Anthoceros levis, 364 



punclalus, 364 

 Anthropogenous factors, 278 

 Anthropozoic factors, 271 

 Anthurium, 296 

 Anthyllis montana assn., 376 

 Ants and seed dispersal, 271 

 Aphanocapseta, 371 

 Aphyllanthes-Leontodon villarsii assn., 



376 

 Aphyllanthion, 376 

 Aquatic communities, pH values of, 



178 

 Arabidetum coeruleae, 61, 121, 314, 



315 

 Arabidion coeruleae, 121 

 Arabis alpina, 310 

 Aralo-Caspian steppe, 137 

 Arbutus menziesii, 88, 95 



unedo, 95 

 Arctostaphylos uva ursi, 86, 330 

 Areal per cent, 31 

 Arenaria biflora, 60, 122, 123 



capitata, 187 



ciliata var. tenella, 70 



hispida, 187 



leptoclados, 64 



sajanensis, 156 

 Argania forest, 133 



sideroxylon, 7 

 Arid steppes, solontschak association 



of, 202 

 Aristida acutiflora, 335 



pungens, 152 

 Armeria, 201 



elongata, 191 



juncea, 187 



maritima, 201 

 Armerietum juncei, 376 

 Armerion juncei, 376 

 Arrhenatheratalia, 375 

 Arrhenatheretum, 59, 61, 62, 90, 375 



elatioris, 285, 300, 344 

 Arrhenatherion, 375 



elatioris, 300 

 Arrhenatherum-Narcissus tazetta assn., 



63 



Artemisia barrelieri, 335 

 herba alba steppe, 302 

 maritima assn., 202, 302 



Artemisia pauciflora steppe, 302 



salina, 205 



steppe, 335 



tridentata steppe, 302 

 Arthrocnemum, 194 

 Arum maculatum, 91 

 Asarinetum rupestris, 337 

 Asarum europaeum, 49 

 Ascobolus atrofusciis, 280 

 Asparagus acutif alius, 45 

 Aspect, 47, 48, 49 



flowering, 92 



societies, 306 

 Aspergillus, 235, 237 

 Asperula, 239 



cyanchica, 67 



odorata, 34, 49, 68, 69 

 Asphodelus cerasifer geophyte stage, 



326 

 Aspidium spinulosum, 66 

 Asplenium adulterinujn, 189 



cuneifolium, 189 



glandulosum, 373 



seelosii, 187 

 Assimilation curves, 97, 98 



law of relative, 98 



period, 50 



(See also Photosynthesis) 

 Association tables, 60, 61, 70, 73 

 Associations, altitudinal variations of, 

 344 



definition of, 22, 23, 364 



elementary, 25 



fragmentary, 24, 25 



geographic variants of, 343 



individual, 23 



relation of, to synusiae, 302 



sudden appearance of, 350 

 Associes, 306 

 Aster, 16 



alpinus, 71 



pannonicus, 205 



tripolium, 192, 194, 195 

 Astragalus, 236, 274, 292 



austriaciis, 114 



exscapus, 114 



narbonensis-Hedysnrvm capitatum 



assn., 376 



