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Project Noah Nature School
Tiny but beautiful spring flowers on this grouping of
Round cactus with alternating bumps. Possibly
Cluster of cactus under a rock. The white part is formed by tiny thorns. Family ...
Flowering cactus. It must be several years old because of its size. 15 cm tall. ...
Mammillaria compressa, is a Mexican ...
Typical setting, the mammillaria cactus on ...
Cactus about 15 cm tall.
Cactus de forma entre esférica y columnar. Altura, 30 cm y anchura, 20 cm. ...
The genus Mammillaria is one of the largest ...
I found this at the National Botanic Gardens, D.C.
Mexican endemic; Coahuila de Zaragoza, Durango, Nuevo Leon, Tamaulipas - Mexico ...
Flowering cactus. Very low growing, almost flat to the ground.
Cactus Loop Trail, Anza Borrego Desert State Park
5 cm wide and 4-5 cm tall. the spikes are 0,5-1 cm long --> and the flower goes ...
Cactus with some thorns like fish hooks. About 10 cm diameter.
Probablbly
Matorral Xerófilo. 1650 msnm.
consecutive terms of the Fibonacci series: 1,1,2,3,5,8,13,21,34, 55, 89, ...
found a cactus with fruits (Mammillaria ...
Small spheroidal cactus, growing in tropical dry dwarf forest and scrublands
Mammilllaria cactus covered by white "hair" which is made of many little thorns.
