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Source: Wikipedia, Lady Bird Johnson Wildflower Center, Learning about plants

Achillea millefolium
Common name: Common yarrow
Family: Asteraceae

Morphological descriptions:
Flower is either white or pink, has an inflorescence, and an inferior ovary. What seems to be white petals are actually white ray florets surrounding the disk florets, it also has involucre bracts. Pollinated by bees, moths, birds.
Leaves alternate, there is one leaf per node, and are either bipinnate or tripinnate. Edge of leaves have lobes and sometimes also tooth.
Seed is achene.
Habitat: Prefers open forests or grasslands with mildly disturbed soil. Native in Eurasia but also seen in China or North America. This particular on was found on a grass filled moist field and wild.
Abundance: large clusters.
Phenology: Flower

Morphological description:
Angled green stems
Leaf type: simple
Leaf arrangement: alternate
Leaf shape: ovate
Leaf margins: entire
Fruit: red berries

Abundance Commonly seen in Pacific Spirit park (more than 10 individuals within 200 m)

Habitat: growing on stumps and logs in understory floor of moist forest

(Note: The 6th picture is for the whole plant. I know it contains plants details but if I go further to take a picture, the flower can be hidden as the leaves are too big relative to the flowers. Sorry for that.)
(Note: I cannot give a very detail location as in the mountain we have no Internet and we are not sure where we are in.)
Morphological description:
Leaf type simple
Leaf evergreen, thick and shiny
Leaf arrangement: alternate
Leaf shape: oval
Surface and pubescent glabrous
Basic flower parts: 5 pink sepal. 5 white petal almost connate. Glandular-hairy peduncle, pedicels, bracteoles and bracts,
Flower type: urceolate corolla
Floral symmetry radially symmetrical

Abundance: commonly seen in the part it is found in Malcolm Knapp Research Forest (more than 10 individuals within about 10 square meter)

Habitat: wet coniferous forest understory or along the roadside with sunlight-exposure

Morphological description:
Leaf type: simple
Leaf arrangement: opposite
Leaf margins most entire
Fruit waxy white drupes
Pedicel in opposite arrangement

Abundance: few in one of the Pacific Spirit park entry (one group of this species within 2 square meters)

Habitat: shrubland on the forest edge, kind of sunlight-exposure

Morphological description:
Leaf type: compound leaf
There is a white vertical line in the middle of leaves.
Leaf arrangement: alternate
Leaf shape: fern-like
Leaves pinnately dissected, the divisions again dissected
Basic flower parts: Usually 5 white ray flowers look like petals in the margin of flower head and several grayish white disk flowers in the middle of flower head.
Round-topped clusters
Involucral bracts have dark margins.

Abundance: Few on the grassland along the W 16th Ave (less than 10 individuals and concentrated within 1 square meter)

Habitat: open grassland on the roadside

Morphological description:
Leaf type palmately compound; leaflets 3,
Leaf with white crescent-shaped spots
Leaf arrangement alternate
Leaf margins almost entire
Basic flower parts papilionaceous corolla, 5 purple petals, one keel, two banner and two wings
Floral symmetry: bilaterally symmetrical
Inflorescence type: terminal head
Fruit: brown pod
calyx: hairy
Abundance a small group (less than five individuals and concentrated within 1 square meter)

Habitat sunlight-exposed and dry grassland near buildings

Name: Family Fabaceae, Trifolium pratense L.

Description
Leaves: Leaves compound, trifoliate, oblong-shaped, alternate arrangement along stem, stipulate. Simple trichomes on stem, leave and bracts.
Flower/fruit: Flowers zygomorphic and papillionaceous. Head of flower an infloresence, a group of sessile, pink flowers, solitary.
Abundance: A large patch with many individuals, few scattered nearby as well.
Habitat: Along roadside near bus stop. Under full sun with few lowlying bushes nearby.

Family: Balsaminaceae
Species name: Impatiens glandulifera
Description: Leaves are lanceolate and serrate (toothed), with pinnate venation. The top surface of leaves are hairless, opposite branching but some whorls of 3 (trifoliate at the ends). Zygomorphic (bilateral symmetry) pink flowers – darker pink toward the centre. Petals are somewhat fused (sympetalous) and hooded – seems to be 5 fused petals. Inflorescence type raceme, but multiple flowers (in these pictures, 2-5) branch off each pedicel.
Location/ habitat: In the shade of some taller trees, somewhat close to a stream/water source. Somewhat close to a gravel trail.
Abundance: Probably multiple individuals overlapping with each other. Only saw this “patch” of this species in this one area.

Family: Fabaceae
Genus/ species: Trifollium pratense Linnaeus
Description: Trifoliate and entire leaflets with distinctive pale "chevron" (V shaped) pattern, reddish-purple inflorescence, trichromes (hairs) along the stem, on leaves. Sturdy stem, likely was once erect but this specimen was drooping on the ground. Stipules on the stem.
Location: Nearby UBC bus loop, on grassy hill with lots of tall grass. Recently rained so grass was wet.
Abundance: Few other individuals in close proximity

Family: Caprifoliaceae
Genus: Symphoricarpos
Species: Albus
Leaves: Opposite, simple, oval shaped. Margins wavy. Pinnate venation.
Flower: Raceme inflorescence. Wide, bell shaped corollas. Pink to white petals.
Fruit: Dense, berry-like drupes. Waxy and white.
Habitat: Roadside meadow in a relatively undisturbed part of the south end of UBC campus.
Abundance: Relatively abundant. Not a lot of individuals.

Citation: In Klinkenberg, Brian (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver.

Family: Aquifoliaceae
Genus: Ilex
Species: aquifolium L.
Leaves: Lobed, spine-like, toothed.
Flowers/Fruits: Corollas typically dull white. 4-5 petals.
Fruit: Typically round, red berries in clusters. The individual I found had young, not yet ripened berries.
Abundance: Large population.
Habitat: Moist, slightly disturbed forest pathway in Pacific Spirit Park

Family: Asteraceae
Genus: Achillea
Species: millefolium
Leaves: fern like, alternate pinnately dissected.
Flowers: Numerous clustered inflorescences. Involucral bracts overlapping. White ray flowers.
Abundance: a few scattered individuals
Habitat: Roadside greenway along a walking path and road on the south side of UBC Campus. Open air, decent sunlight.

Family: Asteraceae
Genus: Tanacetum
Species: vulgare L.

Leaves: Lacking basal leaves. Alternate leaves. Pinnate or deeply lobed and toothed.
Flowers: Inflorescence. Involucral bracts. Lacking ray florets. Many petals, many sepals. Discoid heads. Bright yellow florets.
Abundance: Few scattered individuals
Habitat: Roadside greenway along a walking path and road on the south side of UBC Campus. Open air, decent sunlight.

Citation: In Klinkenberg, Brian (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver.

Family: Fabaceae
Genus: Melilotus
Species: albus

Leaves: alternate, pinnately compound leaflets in 3’s. Oblong. Fine toothed margins. Stipules.
Flowers: Raceme inflorescence. Many papilionacious flowers. White corollas.
Abundance: a few scattered individuals
Habitat: Found along a heavy foot trafficked, roadside ditch. Direct sunlight.

• Notes -

Vegetation - leaves of three, with white band along the middle. Small 1-2cm diameter. Numerous stems endings in trifoliate leaves. Low laying ground-cover.

Flowers - seem to be small clustered inflorescences on numerous small white and pink flowers. Sweet fragrance. Flowers located terminally on the stems.

Habitat - small meadow on a slope near a footpath, frailer river nearby. Nice view of the mountains too.

Abundance- a few scattered individuals

Notes-
Leaves - the leaves seem to be pinnately separated into little compound leaflets. 
Flowers - one large head inflorescence with numerous very small white-pinkish flowers with small white petals in 5s. Inflorescence appears to consist of numerous clusters all in close proximity 
Abundance - one lone individual
Habitat - south facing roadside meadow like bank

• Notes -

Leaves - Large shiny green leaves with pinnate variation. Serrated edges.

Flowers - Absent, small white fruit are present, several red sepals around the fused fruit.

Habitat - Neat the edge of a secondary growth hemlock/fir forrest.

Abundance - locally abundant

Common yarrow (Achillea millefolium).
Asteraceae.

Leaves alternate, pinnately dissected, the divisions are again dissected.
Flowers are in short flat, round topped clusters.
Ray florets white, disk florets cream colored.

Found just off the sidewalk in an area disturbed by construction. Growing amongst grasses, mosses, plantains.
A few other individual also observed in the disturbed area.

Common Snowberry
Family: Caprifoliaceae
Genus: Symphoricarpos
Species: Symphoricarpos albus

Plant Description: Deciduous shrub with thin branches

Leaves: Simple, opposite; elliptical or oval in shape; margins entire

Fruit: Inflorescence is a dense cluster in a raceme; fruit is a white, fleshy, berry-like drupe, each containing 2 nutlets

Location: Found as shrubby undergrowth beside/under deciduous trees along a trail

Abundance: Fairly common in a small area around the area of identification

European Holly
Family: Aquifoliaceae
Genus: Ilex
Species: Ilex aquifolium

Plant Description: Evergreen tree (or shrub)

Leaves: simple, alternate; glossy, with sharp spines along leaf margin (dentate)

Fruit: present on female plants; fruits are small, bright red drupes in axillary groups; formed from superior ovaries

Location: found growing amongst other deciduous trees along the trail

Abundance: a few scattered individuals across landscape

Common Yarrow
Family: Asteraceae
Genus: Achillea
Species: Achillea millefolium

Plant Description: Herbaceous perennial plant with aromatic leaves

Leaves: Pinnately lobed (bipinnate), feathery or fern-like in appearance, narrow; alternate

Flowers: Numerous small, flat-topped inflorescences of clusters of 15-40 disk flowers surrounded by 3-8 white ray flowers; involucral bracts overlapping; ovaries inferior

Location: In an open, unmaintained grass field

Abundance: Very common in the grass field of identification

White Clover
Family: Fabaceae
Genus: Trifolium
Species: Trifolium repens

Plant Description: Small herbaceous plant

Leaves: Trifoliate compound (palmate), alternate; leaflets are round or egg-shaped, often with white or dark markings; leaves have long petioles; stipulate

Flowers: Inflorescence is a terminal, globe-shaped, dense head of ~40-100 individual zygomorphic pea-like flowers that have 5 white petals, and superior ovaries

Location: In an open, unmaintained grass field

Abundance: Very common in the grass field of identification

Family: Fabaceae
Genus: Trifolium
Species: Trifolium pratense
Leaves: alternately arranged, trifoliate, petiolate, stipulate, ovate shaped, acute apex
Flowers: pink petals, papilionaceous inflorescence, zygomorphic, hypanthium present, fruit a pod
Abundance: few scattered along roadside
Habitat: grassy suburban roadside area with heavy foot traffic, off Discovery St.

Family: Asteraceae
Genus: Achillea
Species: Achillea millefolium
Leaves: compound leaves, alternately arranged, pinnately lobed, feather-like leaves
Flowers: flat-topped small cluster of flowers, white ray florets and yellow/off-white disk florets, fruit as cypsela
Abundance: Few plants scattered along roadside
Habitat: grassy suburban roadside area, heavy foot traffic, next to sidewalk

Symphoricarpos albus 

Family: Caprifoliaceae
Genus: Symphoricarpos 
Species: Symphoricarpos albus 

Morphological Descriptions: 
A very large shrub that was difficult to see the start and ends of. Multiple shrubs were bunched together along the path and they were very dense, very tall, and very large. The shrub itself measured approximately 163 cm tall, and had leaves that were 5 cm long and 4 cm across. The twigs were very fine and highly pliable. The leaves occurred in opposites, and were deciduous with an elliptical shape. They were many lobed leaves on the younger stems. No flowers were visible, but lots of white berries were seen. They were around 5 mm long in the species photographed, and were easy to squish with lots of strong smelling juices inside. The berry was very fiberous and broke with a crack. 

Habitat & Abundance: Large tall groups of shurbs that continued to line the paved well-traveled areas of the park. Bog-like conditions that were muddy and wet. 

Phenology: Fruiting 

Citation: MacKinnon, A., Jim Pojar, and Paul B. Alaback. 1994. Plants of coastal British Columbia: including Washington, Oregon & Alaska. Vancouver: Lone Pine Publishing. (page 70)

The leaves are compound, alternate, and pinnately lobed.

The Flowers are in clusters, making yellow button-like inflorescences. Each inflorescence is composed of a discoid head with disk florets.

The abundance is quite abundant, with several groups of individuals in the vicinity. The habitat is a roadside ditch beside a greenway in the middle of an urban area.

Few specimens distributed in a field and some roadside patches of land. Somewhat taller, observed from 0.5 to 1.5m.
Leaves are trifoliate, somewhat small to the size of the plant.
White flowers in long terminal inflorescences

Grassy field, common in the area, but distributed in a few clusters.
Somewhat tall, between 0.5-1 meter.
Leaves pinnate, alternate or spiral.
White flowers in inflorescences, usually arranged with 5 ray and 5 disc florets. These inflorescences are organized in umbel-like structures.

Common, somewhat dispersed through the area. Grassy field in the park.
Inflorescence with white ray florets and yellow disc florets. No more than 20cm tall. Leaves rounded, growing from the base of the stem.