Use of cluster photographs to estimate overwintering monar

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APA

Milkweed USA. (2026). Use of cluster photographs to estimate overwintering monarch butterfly, Danaus plexippus Linnaeus, 1758 (Lepidoptera: Danaidae), populations at selected California overwinter sites (listing). Retrieved DATE, from https://milkweedusa.com/research/use-of-cluster-photographs-to-estimate-overwintering-monarch-butterfly-2017/

MLA

"Use of cluster photographs to estimate overwintering monarch butterfly, Danaus plexippus Linnaeus, 1758 (Lepidoptera: Danaidae), populations at selected California overwinter sites (listing)." Milkweed USA, 2026, https://milkweedusa.com/research/use-of-cluster-photographs-to-estimate-overwintering-monarch-butterfly-2017/. Accessed DATE.

Chicago

Milkweed USA. "Use of cluster photographs to estimate overwintering monarch butterfly, Danaus plexippus Linnaeus, 1758 (Lepidoptera: Danaidae), populations at selected California overwinter sites (listing)." Last modified 2026-08-01. Accessed DATE. https://milkweedusa.com/research/use-of-cluster-photographs-to-estimate-overwintering-monarch-butterfly-2017/.

BibTeX

@misc{milkweedusa_researchuseofclusterphotogra,
  title  = {Use of cluster photographs to estimate overwintering monarch butterfly, Danaus plexippus Linnaeus, 1758 (Lepidoptera: Danaidae), populations at selected California overwinter sites (listing)},
  author = {{Milkweed USA}},
  year   = {2026},
  url    = {https://milkweedusa.com/research/use-of-cluster-photographs-to-estimate-overwintering-monarch-butterfly-2017/},
  note   = {Accessed DATE}
}