Saguaro National Park–Rincon Mountain District
Authors: NPS-SODN

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Families: 114
Genera: 552
Species: 1137
Total Taxa: 1165

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Collected by Kellner at Manning Camp (1960) according to B&M flora
Reported by Bowers, iNaturalist observation from Upper Wildhorse
Needs voucher. iNat observation from Chimenea Canyon.
Collected in Posta Quemada Canyon
Aka Y. baccata var. brevifolia or possibly Y. thornberi (Hodgson); Dan Beckman 2021-09-15 [SEINet]
No voucher but definitely present around park entrance
Taxonomic confusion between Y. schottii and Y. madrensis needs to be sorted out.; R. H. Peebles & T. H 8754 [ARIZ]
Collection quite possibly a mis-ID of C. wheeleri; J. C. Blumer 3406 [ARIZ]
Non-native ornamental occasionally found in desert areas, needs voucher
Recently reported introduction for Arizona, misidentified previously as Gnaphalium palustre.; Ethan Ward 118 [ARIZ]
Collected by Steenbergh north of VC according to B&M flora
IDs should be checked on Malacothrix generally - tricky group; J. E. Bowers R-1121 [ARIZ]
Highly invasive, first detected April 2024 - please report all populations to stinknet.org
Observed in Box Canyon Oct 2018 (iNat)
Seems to be present (iNat), needs voucher
Collected in Tanque Verde Creek and foothills near Colossal Cave
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Collected in Posta Quemada Canyon
Previously grouped with O. phaecantha, now proposed as variety of O. engelmannii (Felger, Verrier & Carnahan 2017); Dan Beckman 2020-09-03 [SEINet]
Worth investigating, no other park records; C. E. Jenkins 2134 [ARIZ]
Definitely present, needs a voucher