List of Arceuthobium species


Arceuthobium is a genus of parasitic plants in the sandalwood family commonly known as dwarf mistletoes. Most species of Arceuthobium specialize on a small number of conifer species, on which they grow and from which they derive water and nutrients; host preference has been considered taxonomically important by most botanists.
The taxonomy of this genus is difficult to resolve. As with many other parasites, Arceuthobium plants have reduced morphological features that make taxa difficult to distinguish morphologically. Phylogenetic studies have also revealed little genetic differentiation between species in several of the taxonomic sections, including Globosa, Rubra, Vaginata, and Campylopoda, indicating that species boundaries in these groups may still be forming. Nevertheless, some monophyletic clades have been identified even in these sections. Ultimately, modern treatments of the genus vary widely, including as many as 38 species or as few as 26 species, with Campylopoda in particular comprising between one and thirteen species.
This list summarizes the taxa currently recognized by Plants of the World Online, organized using the subgenera and sections from Nickrent et al.. The taxonomy of the New World species largely follows Kenaley and Mathiasen.

Subgenus Arceuthobium

Section ''Arceuthobium''

Arceuthobium juniperi-procerae Chiovenda Arceuthobium oxycedri Bieb. Arceuthobium tibetense H.S. Kiu & W. Ren

Section Chinense Nickrent">Daniel Lee Nickrent">Nickrent

Arceuthobium chinense LecomteArceuthobium minutissimum J.D: HookerArceuthobium sicuanense D. Hawksw. & WiensArceuthobium pini D. Hawksw. & Wiens

Section Azorica

Subgenus ''Vaginata''

Section ''Americana'' Nickrent">Daniel Lee Nickrent">Nickrent

Arceuthobium abietis-religiosae HielArceuthobium americanum Nutt. Ex Engelm. Arceuthobium verticilliflorum Engelm.

Section ''Penda'' Nickrent

Arceuthobium guatemalense D. Hawksw. & Wiens Arceuthobium pendens D. Hawksw. & Wiens

Section ''Globosa'' Nickrent

Arceuthobium globosum D. Hawksw. & Wiens
  • * Arceuthobium globosum subsp. globosum
  • * Arceuthobium globosum subsp. aureum Mathiasen
  • * Arceuthobium globosum subsp. grandicaule D. Hawksw. & Wiens
  • * Arceuthobium globosum subsp. petersonii Mathiasen

Section ''Pusilla'' Nickrent

Arceuthobium bicarinatum Urban.Arceuthobium pusillum Peck.

Section ''Rubra'' D. Hawksw. & Wiens

Arceuthobium gillii D. Hawksw. & WiensArceuthobium nigrum D. Hawksw. & WiensArceuthobium rubrum D. Hawksw. & Wiens including: A. oaxacanum D. Hawksw. & WiensArceuthobium yecorense D. Hawksw. & Wiens

Section ''Vaginata'' D. Hawksw. & Wiens

This section has the broadest range of host species, parasitizing 20 species of Pinus.Arceuthobium hondurense D. Hawksw. & Wiens
  • * Arceuthobium hondurense subsp. hondurense
  • * Arceuthobium hondurense subsp. hawksworthii MathiasenArceuthobium strictum D. Hawksw. & WiensArceuthobium vaginatum Presl.
  • * Arceuthobium vaginatum subsp. vaginatum
  • * Arceuthobium vaginatum subsp. cryptopodum D. Hawksw. & Wiens
  • * Arceuthobium vaginatum subsp. durangense D. Hawksw. & Wiens

Section ''Minuta'' D. Hawksw. & Wiens

Arceuthobium divaricatum Engelm. Arceuthobium douglasii Engelm.

Section ''Campylopoda'' D. Hawksw. & Wiens

Arceuthobium abietinum D. Hawksw. & Wiens