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Dendrosenecio is a genus of flowering plants in the sunflower family. [3] [4] It is a segregate of Senecio, [1] in which it formed the subgenus Dendrosenecio. [1]Its members, the giant groundsels, are native to the higher altitude zones of ten mountain groups in equatorial East Africa, [5] where they form a conspicuous element of the flora.
Dendrosenecio kilimanjari is a giant groundsel found on Mount Kilimanjaro in Africa, below 4,000 metres (13,000 ft). Taxonomy.
Though adapted to infrequent fires, chaparral plant communities can be exterminated by frequent fires especially with climate change induced drought. [ 4 ] [ 5 ] Today, frequent accidental ignitions can convert chaparral from a native shrubland to nonnative annual grassland and drastically reduce species diversity, especially under global ...
Cuscuta pacifica var. papillata, a parasitic plant found only in the salt marshes of Mendocino county; Eriogonum kelloggii, a species of buckwheat found only on Red Mountain near Leggett; Harmonia guggolziorum, a flowering aster found in two locations near Hopland; Limnanthes bakeri, a meadowfarm plant known in only 20 locations near Willits
Another threat, ironically, is fire control, which only allows the amount of dry material in the forest to build up, resulting eventually in massive fires. However, in many chaparral regions such as the Santa Monica Mountains, increased fire frequency is the larger concern because fire return intervals in mature chaparral communities should be ...
But between logging and fires, 95% of California's redwoods have been destroyed. Over the past decade, the Yurok have been helping restore the land. Another forgotten jewel of the ecosystem is salmon.
Coast Douglas-fir (Pseudotsuga menziesii ssp. menziesii) is the predominant tree, occupying up to 70% of the forest cover. Broadleaf evergreen trees are relatively few. Tree species of secondary importance are: Sugar pine (Pinus lambertiana), Ponderosa pine (Pinus ponderosa), White fir (Abies concolor).
But recent fire seasons have shattered records for the largest, deadliest and most destructive fires in California, and 2024’s fire season is already more active than the year-to-date average of ...