Náttúrufræðingurinn

Volume

Náttúrufræðingurinn - 1938, Page 50

Náttúrufræðingurinn - 1938, Page 50
176 NÁTTÚRUFRÆÐINGURINN 111111111111111111111111111111111111111111111111111111111111111111 i 111111111111111111111111111II111111111111111111111II1111111111111111111111111111111111111111 ■ I 12 3 Montia rivularis (Grýta) ..................................... + Phleum alpinum (Fjallafoxg’ras) .............................. + + Poa alpina (Fjallasveifgras) ................................. + -f- + Poa glauca (Blásveifgras) .................................... + -f- Poa pratensis (Vallarsveifgras) .............................. + + + Pinguicula vulgaris (Lyfjagras) .......................................... + Polygonum viviparum (Kornsúra) ............................... + + + Potentilla verna (Gullmura) .................................. + + + Ranunculus acer (Brennisóley) ................................ + + + Rumex acetosa (Vallarsúra) ................................... + + + Sagina. procumbens (Skammkrækill) ............................ + Salix glauca (Grávíðir) ...................................... + + Salix herbacea (Smjörlauf) ............................................... + Salix lanata (Loðvíðir) ...................................... + + Salix phylicifolia (Gulvíðir) ........................... + + Saxifraga cernua (Laukasteinbrjótur) ......................... + Selaginella selaginoides (Mosajafni) ..................................... + Sibbaldia procumbens (Fjallasmári) ....................................... + Silene acaulis (Lambagras) ................................... + Taraxacum acromaurum (Túnfífill) ............................. + Taraxacum croceum (Engjafífill) .............................. + + + Taraxacum nævosum (Deplafífill) ........................................ + Thalictrum aplinum (Brjóstagras) ............................. + + + Thymus serpyllum (Blóðberg) .................................. + + Veronica alpina (Fjalladepla) ................................ + + Veronica fruticans (Steindepla) .............................. + + Viscaria alpina (Ljósberi) ............................................... + Viola palustris (Mýrfjóla) .............................. + + TAFLA II. Hlutfall tegundanna í Víðidalstúni. 1—3 túnstæðið. 4 blómstóð við bæjarrústir. 5 lækjardrag. 6 víðigrund. 10/ 1/10 m2. i 2 3 4 5 6 Poa pratensis .. G 100 100 50 80 80 40 Carex rigida 100 100 100 70 70 80 Anthoxanthum odoratum .. . H B0 10 100 100 60 70 Deschampsia alpina H 80 80 90 40 50 — Taraxacum croceum H 50 20 90 80 80 30 Festuca rubra H 60 — 40 30 50 90 Equisetum arvense .. G 30 40 60 60 50 10 Equisetum pratense .. G 10 — — 10 70 40 Polygonum viviparum G — 90 70 30 100 70 Rumex acetosa .. H — 10 80 40 30 — Phleum alpinum H 30 30 30 50 90 —

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