c 



D 



Table 4. --Average numbers of plants, by class, per 1,000 square feet 



Neal Canyon, 2 years after the fire 



Plant class Number " Crown volume (cu. ft.) 



Shrubs 



Acer glabrum 



5.70 



154.7 



Amelanchier alnifolia 



1.10 



7.4 



Artemisia tridentata 



.18 



.1 



Ceanothus velutinus 



.18 



. 1 



Ribes lacustre 



.55 



2.6 



Ribes viscosissimum 



1.47 



1.5 



Salix scouleriana 



2.76 



884.1 



Sambucus racemosa 



.74 



27.9 



Symphoricarpos oreophilus 



2.58 



8.9 



Total 



15.27 



1,087.3 



Ground cover Square feet 



Vegetation 1 690 

 Litter 50 

 Bare ground 260 



1 Frequencies of occurrence for common species in the ground layer were Moldavica 

 parviflora (100 percent), Lactuca serriola (96 percent), Ceanothus velutinus (92 percent), Epi- 

 lobium paniculatum (88 percent), Arnica cordifolia (48 percent), Epilobium alpinum (48 percent), 

 Ribes viscosissimum (44 percent), Iliamna rivularis (36 percent), Epilobium angustifolia (28 

 percent), Penstemon fruticosa (24 percent), Taraxicum officinale (24 percent), Aster conspicuus 

 20 percent), Calamogrostis rubescens (20 percent), and Phacelia hastata (20 percent). 



9 



