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Most are either "soft" pines with 5 needles per shoot or "hard" pines with 2-3 per shoot. The most familiar soft pines are western white pine (P. monticola) of BC, and eastern white pine (P. strobus), east of Manitoba. Others include limber pine (P. flexilis) and whitebark pine (P.

Long before formal study of plants began in Canadian academic institutions, they were studied by explorers and talented amateurs.

The term fiddlehead is used to refer to plants in 3 ways: (1) the young curled leaf of any fern; (2) the ostrich fern (Matteuccia struthiopteris of the Aspidaceae family); and (3) the young curled leaf of the ostrich fern used as a vegetable (often called fiddlehead greens).

Lily, common name for members of genus Lilium of the lily family (Liliaceae).

Although Canada's tobacco industry has developed largely during this century, tobacco growing goes back to early colonial days, when settlers around the St Lawrence River adopted the smoking customs of aboriginal peoples. French settlers began by copying the agricultural model set by the Indians.

Exactly what constitutes a botanical garden is debated among professionals. A very conservative view is a scientific garden of this kind must be associated with a university in order to fulfill its objectives as an educational and research facility.

 Gardens can be viewed, studied and understood as cultural landscapes. Their aesthetic, horticultural, historic and environmental richness as well as their evocative power excite wonder and delight.

Many people believe a new sapling must be planted to replace every tree that is harvested. In fact, the FOREST regenerates naturally. After logging, young shoots grow and develop quickly because they have more room and good exposure to sunlight.

A herbarium (Lat herba, "herb," formerly any medicinal plant) is a collection of dried specimens of plants mounted on sheets of heavy paper and stored in cabinets or bound in book form, as well as the building that houses such a collection.

Plant breeding is an applied science, in which knowledge of genetics, pathology, plant physiology, statistics, and molecular biology are used to modify plant species for human needs or preferences.

Forestry is the science and practice of caring for forests. Both the meaning and practice of forestry in Canada have evolved over time.

Touch-me-not, or Jewelweed, are common names for family of herbaceous plants (Balsaminaceae) of which Impatiens is the principal genus. The genus name derives from the fact that a ripe seed capsule, when touched, explodes violently, projecting seed some distance.

Biological studies of individuals and groups of organisms can occur at various levels (eg, molecular, cellular, anatomical, functional, behavioural, ecological and evolutionary).

Sometimes called evergreens, most coniferous trees keep their foliage year-round. There are over 600 living species of conifers, and while there is some debate over how many are native to Canada, the number is approximately 30.

Moss is a small terrestrial plant, usually less than 10 cm tall, that lacks true conducting tissues (xylem, phloem) and has a dominant gametophyte (sexual) generation. Mosses are the largest and most highly developed group of division Bryophyta (which also includes liverworts and hornworts). Bryophytes are sometimes known as the “amphibians of the plant world” because of their dependence on water for sexual reproduction. There are over 10,000 species of moss worldwide, of which about 1,250 are found in North America. Individual parts of Canada have fewer species (e.g., 466 species in Alberta, 445 in Newfoundland, 430 in Ontario). Mosses thrive in humid climates, and coastal parts of Canada have a greater diversity than the interior parts.

The Violet is a family (Violaceae) of annual or perennial herbaceous plants widely distributed throughout temperate and tropical regions. Tropical species may reach tree size. Roughly 500 species of genera Viola (violets, pansies) and Hybanthus (green violets) alone occur worldwide.

Rose is a common name for members of genus Rosa of the rose family (Rosaceae). This large family, comprising more than 100 genera and 2000-3000 species, includes plants as diverse as strawberries, almonds and pears.

Representative specimens are usually labelled with their common and scientific names, family name and the country of origin may appear as well. The parents of hybrids may also be indicated.

Canada’s national parks are protected areas established under federal legislation to preserve Canada’s natural heritage. They are administered by Parks Canada, a government agency that evolved from the world’s first national parks service, the Dominion Parks Branch, established in 1911. The National Parks System Plan, developed in 1970, divided Canada into 39 natural regions and set the goal of representing each region with at least one national park. Canada now has 48 national parks and national park reserves in 30 of these regions. In total, the parks cover more than 340,000 km2, which is over 3 per cent of Canada’s landmass. They protect important land and marine habitats, geographical features and sites of cultural significance. National parks also benefit local economies and the tourism industry in Canada.

(This is the full-length entry about National Parks of Canada. For a plain-language summary, please see National Parks of Canada (Plain-Language Summary).)

Silviculture is the branch of FORESTRY that deals with establishing, caring for and reproducing stands of trees for a variety of forest uses including wildlife habitat, timber production and outdoor recreation.