龍爪球屬

龍爪球屬（學名：Copiapoa）原產智利的仙人掌，生長在極度乾燥少雨的地方。會開黃色的小花。

下属物种

本属包括以下物种：

Copiapoa ahremephiana N.P.Taylor & G.J.Charles, 2002
Copiapoa algarrobensis Katt.^[1]
舞龍丸 Copiapoa bridgesii (Pfeiff.) Backeb., 1959，现接受名为Copiapoa marginata var. bridgesii (Pfeiff.) A.E.Hoffm.
帝冠龍 Copiapoa calderana
龍牙玉 Copiapoa cinerascens
黑王丸 Copiapoa cinerea
黑子冠/國子冠]] Copiapoa cinerea var. dealbata
猛虎玉 Copiapoa conglomerata
龍爪玉 Copiapoa coquimbana
Copiapoa decorticans
龍魔玉 Copiapoa echinoides
黑疣球 Copiapoa esmeraldana
爆龍丸 Copiapoa fiedleriana
Copiapoa gigantea ^[2]
秋霜玉 Copiapoa grandiflora
逆鱗丸 Copiapoa haseltoniana
公子丸 Copiapoa humilis
- 疣仙人 Copiapoa hypogaea var. barquitensis
雷血丸 Copiapoa krainziana
臘疣球 Copiapoa laui
鬼神龍 Copiapoa longistaminea
豪槍丸 Copiapoa malletiana
龍鱗丸 Copiapoa marginata
虎鬚玉 Copiapoa megarhiza
漂雲丸 Copiapoa mollicula
蛇球 Copiapoa serpentisulcata
太陽之球 Copiapoa solaris
黒王殿 Copiapoa taltalensis
魚鱗丸 Copiapoa tenuissima ^[3]
Copiapoa tigrillensis
Copiapoa tocopillana

^ Kattermann F . Validation of Copiapoa algarrobensis[J]. Cactus & Succulent Journal, 2018, 90(2):103-103.
^ Isabel Larridon, Emily Veltjen, Ilias Semmouri, Pieter Asselman, Pablo C. Guerrero, Milén Duarte, Helmut E. Walter, Mauricio A. Cisternas and Marie-Stéphanie Samain. 2018. Investigating Taxon Boundaries and Extinction Risk in Endemic Chilean Cacti (Copiapoa subsection Cinerei, Cactaceae) Using Chloroplast DNA Sequences, Microsatellite Data and 3D Mapping. Kew Bulletin. 73:55. DOI: 10.1007/s12225-018-9780-3
^ Justyna Lema-Rumińska. Flow cytometric analysis of somatic embryos, shoots, and calli of the cactus Copiapoa tenuissima Ritt. forma monstruosa[J]. Plant Cell Tissue & Organ Culture, 2011, 106(3):531-535.