STEWART: FLORA OF LADAK, WESTERN TIBET 587 
native. As mentioned before it cannot be stated how many are 
introduced in Ladak. When one looks at the list of those that 
are native here it appears that nearly all are plants that like a 
great deal of water. An abundance of moisture is a great equalizer 
of environments and plants like Potamogetons, Lemna and Trig- 
lochins are very cosmopolitan. A smaller group consists of wide 
ranging temperate plants. There are therefore three groups of 
plants native to both countries: weeds, water-loving plants, and a 
few temperate cosmopolitan types. 
NATIVE SPECIES 
Cystopteris fragilis 
Equisetum arvense 
Juniperus communis 
Potamogeton pectinatus 
. perfoliatus 
Zannichellia palustris 
Triglochin maritima 
5 palustris 
Milium effusum 
Deschampsia caespitosa 
Phragmites communis 
Koeleria cristata 
Catabrosa aquatica 
Poa alpina . 
“pratensis 
nemoralis 
Festuca rubra 
Scirpus pauciflorus 
* pufus 
Eleocharis palustris 
Carex stenophylla 
“  rigida 
Goodenovit 
Lemna minor 
Oxyria digyna 
Polygonum aviculare 
' viviparum 
‘et 
Polygonum Hydropiper? 
Chenopodium hybridum 
Corispermum hyssopifolium 
Salsola Kali 
Sagina procumbens 
Ranunculus Cymbalaria 
2 aquatilis 
Barbarea vulgaris 
Cardamine pratensis 
Braya humilis 
Sedum Rhodiola 
Saxifraga oppositifolia 
Parnassia palustris 
Potentilla Sibbaldi 
- Anserina 
e fruticosa 
Astragalus alpinus 
Epilobium angustifolium 
Hippuris vulgaris 
Primula farinosa 
Glaux maritima 
Limosella aquatica 
Veronica Anagallis-aquatica 
Utricularia minor 
Plantago major 
Galium A parine 
“«  borea 
