Estimates of the incidence of mistletoes in pinyon-juniper woodlands of the Coconino National Forest Arizona

Carolyn M. Daugherty, Robert L Mathiasen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The relative incidence of mistletoes found in pinyon-juniper woodlands is estimated for the Coconino National Forest, Arizona, using a roadside survey. Approximately 50% of the pinyon-juniper woodlands surveyed were infested with juniper mistletoes (Phoradendron juniperinum or P. capitellatum). In contrast, only about 12% of the areas surveyed were infested with pinyon dwarf mistletoe (Arceuthobium divaricatum). In these infested woodlands, 70% with juniper mistletoes and 44% with pinyon dwarf mistletoe were lightly infested. Most areas where pinyon dwarf mistletoe populations were observed (90%) also had juniper mistletoe (P. juniperinum) present, but many juniper mistletoe populations observed had no pinyon dwarf mistletoe (50%), although pinyon pine was common at those locations. Therefore, pinyon dwarf mistletoe is frequently co-distributed with juniper mistletoe as has been suggested by other investigators, but juniper mistletoe frequently occurs where there is no pinyon dwarf mistletoe present.

Original languageEnglish (US)
Pages (from-to)382-390
Number of pages9
JournalWestern North American Naturalist
Volume63
Issue number3
StatePublished - Jul 2003

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Coconino National Forest
Santalales
pinyon-juniper
woodlands
woodland
incidence
Phoradendron juniperinum
Arceuthobium

Keywords

  • Arceuthobium divaricatum
  • Juniper
  • Juniper mistletoe
  • Phoradendron juniperinum
  • Pinyon dwarf mistletoe
  • Pinyon pine
  • Roadside survey

ASJC Scopus subject areas

  • Ecology

Cite this

Estimates of the incidence of mistletoes in pinyon-juniper woodlands of the Coconino National Forest Arizona. / Daugherty, Carolyn M.; Mathiasen, Robert L.

In: Western North American Naturalist, Vol. 63, No. 3, 07.2003, p. 382-390.

Research output: Contribution to journalArticle

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