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Rare and Endemic Vascular Plants of Gwaii Haanas (South Moresby) Park, Queen Charlotte Islands, British Columbia

Author(s) or contact(s): R.T. Ogolvie
Source: Research Branch
Subject: Botany
Series: FRDA Report
Other details:  Published 1994. Hardcopy is available.
 

Abstract

Inventories of the vascular flora of seven mountains and one estuary were made in Gwaii Haanas (South Moresby) Park. High species diversity was found in the alpine areas; up to 79 taxa per mountain site were recorded, including up to 18 endemic and rare taxa. Twenty-six endemic and rare taxa were recorded for all inventoried areas. Many of the endemic and rare taxa records are important range extensions, since they had previously been found in only two to four localities on Moresby Island. One new species record for the Queen Charlotte Islands was found (Penstemon davidsonii). The habitats richest in endemic and rare species are vertical rock cliffs, runnel walls, and steep-sided outcrops.

Signs of the introduced black-tailed deer were observed in seven of the inventoried areas. Grazing of ferns and forbs and browsing of shrubs are common. This poses a serious threat to the scarce endemic and rare plant species.

FRDA Research Report 214 (279 KB)

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Updated July 24, 2015