| Riparian Coverage at Squally Beach - Percent Cover - Year 2
(2003) |
| Common Name |
Scientific Name |
No. of Quadrats Found 1 |
No. of Quadrats Surviving |
Percent Cover (range) |
Percent Cover (mean) |
| Herbs, Forbs and Grasses |
| bentgrass |
Agrostis sp. |
9 |
9 |
3 to 40 |
14.8 |
| birds-foot
trefoil |
Lotus
corniculatus |
14 |
13 |
2 to 40 |
11.6 |
| black
medick |
Medicago lupulina |
1 |
1 |
3 |
3.0 |
| brome |
Bromus sp. |
4 |
4 |
3 to 5 |
4.0 |
| bull
thistle |
Cirsium vulgare |
1 |
1 |
10 |
10.0 |
| bulrush |
Scirpus sp. |
1 |
1 |
20 |
20.0 |
| buttercup |
Ranunculus sp. |
2 |
2 |
3 |
3.0 |
| common
dandelion |
Taraxacum
officinale |
4 |
4 |
3 to 10 |
5.3 |
| common
horsetail |
Equisetum arvense |
2 |
2 |
3 to 6 |
4.5 |
| common
mullein |
Verbascum thapsus |
1 |
1 |
15 |
15.0 |
| common
rush |
Juncus effusus |
6 |
6 |
2 to 20 |
8.3 |
| common
St. John's-wort |
Hypericum
perforatum |
1 |
1 |
1 |
1.0 |
| common
velvet-grass |
Holcus lanatus |
22 |
22 |
1 to 30 |
11.6 |
| creeping
buttercup |
Ranunculus repens |
5 |
5 |
3 to 15 |
9.6 |
| curly
dock |
Rumex crispus |
1 |
1 |
2 |
2.0 |
| dovefoot
geranium |
Geranium molle |
1 |
1 |
1 |
1.0 |
| English plantain |
Plantago lanceolata |
6 |
6 |
2 to 5 |
4.0 |
| field bindweed |
Convolvulus arvensis |
1 |
1 |
5 |
5.0 |
| geranium |
Geranium sp. |
1 |
1 |
3 |
3.0 |
| giant horsetail |
Equisetum telmateia |
3 |
3 |
30 to 40 |
35.0 |
| hairy catsear |
Hypochaeris radicata |
2 |
2 |
2 to 5 |
3.5 |
| hedge
mustard |
Sisymbrium
officinale |
6 |
4 |
2 to 50 |
22.8 |
| horsetail |
Equisetum sp. |
2 |
2 |
5 to 8 |
6.5 |
| Japanese
knotweed |
Polygonum
cuspidatum |
1 |
1 |
3 |
3.0 |
| Lyngby's
sedge |
Carex lyngbyei |
1 |
1 |
10 |
10.0 |
| orache,
fat-hen saltbush |
Atriplex patula |
3 |
3 |
3 to 5 |
3.7 |
| pea vine |
Lathyrus sp. |
1 |
1 |
1 |
1.0 |
| perennial
ryegrass |
Lolium perenne |
11 |
11 |
3 to 40 |
13.5 |
| purple-leaved
willowherb |
Epilobium
ciliatum |
8 |
8 |
3 to 7 |
4.4 |
| red
clover |
Trifolium
pratense |
6 |
6 |
1 to 5 |
3.2 |
| red
fescue |
Festuca rubra |
13 |
13 |
5 to 40 |
15.9 |
| redtop |
Agrostis alba |
13 |
13 |
5 to 60 |
28.5 |
| reed
canarygrass |
Phalaris
arundinacea |
4 |
4 |
2 to 25 |
8.3 |
| rush |
Juncus sp. |
2 |
2 |
2 to 3 |
2.5 |
| sickle-keeled
lupine |
Lupinus
albicaulis |
4 |
3 |
20 to 30 |
25.0 |
| cleavers |
Galium aparine |
3 |
1 |
3 to 5 |
4.0 |
| thistle |
Cirsium sp. |
1 |
1 |
3 |
3.0 |
| vetch |
Vicia sp. |
2 |
2 |
1 |
1.0 |
| white
clover |
Trifolium repens |
4 |
4 |
1 to 5 |
2.5 |
| white
sweet-clover |
Melilotus alba |
1 |
1 |
2 |
2.0 |
| willowherb |
Epilobium sp. |
12 |
12 |
2 to 20 |
10.3 |
| unclassified-composite |
unclassified-composite |
3 |
2 |
1 to 3 |
2.3 |
| unclassified-grass |
unclassified-grass |
4 |
4 |
1 to 5 |
2.5 |
| unclassified-herb |
unclassified-herb |
3 |
3 |
2 to 8 |
4.0 |
| Shrubs |
| beaked hazelnut |
Corylus cornuta |
1 |
1 |
5 |
5.0 |
| common
snowberry |
Symphoricarpos
albus |
3 |
3 |
5 to 15 |
9.0 |
| cutleaf
blackberry |
Rubus laciniatus |
1 |
1 |
1 |
1.0 |
| dull
Oregon-grape |
Mahonia nervosa |
1 |
1 |
6 |
6.0 |
| Himalayan
blackberry |
Rubus discolor |
19 |
19 |
2 to 35 |
15.1 |
| Indian
plum |
Oemleria
cerasiformis |
1 |
1 |
1 |
1.0 |
| oceanspray |
Holodiscus
discolor |
5 |
5 |
5 to 15 |
9.4 |
| red
elderberry |
Sambucus racemosa |
2 |
0 |
1 to 3 |
2.0 |
| red-flowering
current |
Ribes sanguineum |
7 |
7 |
1 to 25 |
9.7 |
| red-osier
dogwood |
Cornus
stolonifera |
8 |
8 |
3 to 25 |
16.0 |
| rose |
Rosa sp. |
8 |
8 |
1 to 45 |
22.6 |
| Scot's
broom |
Cytisus scoparius |
2 |
2 |
2 to 10 |
6.0 |
| twinberry
honeysuckle |
Lonicera
involucrata |
2 |
2 |
15 to 20 |
17.5 |
| Trees |
| Douglas fir |
Pseudotsuga menziesii |
3 |
3 |
7 to 25 |
15.7 |
| Hooker's
willow |
Salix hookeriana |
19 |
19 |
5 to 95 |
41.5 |
| lodgepole
pine |
Pinus contorta |
1 |
1 |
5 |
5.0 |
| Pacific
willow |
Salix lasiandra |
1 |
0 |
10 |
10.0 |
| red alder |
Alnus rubra |
20 |
20 |
7 to 95 |
40.4 |
| western
hemlock |
Tsuga
heterophylla |
1 |
1 |
5 |
5.0 |
| Notes: There were a total of 25
quadrats |
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| 1: No. of Quadrats Found = Number of quadrats in which the species was
observed |
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| Bold are
native species. All other entries are
non-native or invasive. |
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| Mean percent cover is calculated for the number of quadrats where the plant
was observed. |
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