it is a mammillaria spinosissima cactus also known as the red headed irishman cactus. that suits me.

— maureen (@mowietecha) 2013.5.21

Cometのサボテン栽培日記 23輪同時開花の猩々丸！ 2013-05-15 http://t.co/taU81EWzU9 マミラリア属 猩々丸　Mammillaria spinosissima http://t.co/pmE1ShRu3u

— ブリーフみそ２ (@buriifumiso2) 2013.5.16

Mammillaria spinosissima ssp. pilcayensis

— Luke (@Lukenate2) 2014.7.9

Mammillaria spinosissima http://t.co/PNNjikNOVs

— Olivia Morris (@Haydnsgrammie) 2014.12.21

Mammillaria spinosissima aka Red-headed Irishman http://t.co/5f39lOV3NX

— Jordan Rowell (@_jordanrowell) 2014.4.11

Mammillaria Spinosissima "Red-Headed Irishman" new addition to my room. http://t.co/7XlkUjn21u

— Chris Beard (@Chris_B58) 2014.2.23

Check out Mammillaria spinosissima Specimen cluster 6 pot Collectors plant cactus on @eBay http://t.co/oU3qKurCty

— john f. capuziello (@nnavajojohn) 2013.12.30

Me gustan por que suponen adaptación extrema. Mi tercer #cactus: Mammillaria spinosissima. #nature #greenlife http://t.co/c3ZbZcGGAt

— Toño León™ (@antoine_lion) 2015.4.20

A crested Mammillaria spinosissima, - #garden #gardens #gardening https://t.co/Uu5vqnx050 https://t.co/PNHUbnntkJ

— Garden Dreams (@GardenDreamsTod) 2016.4.13

Red- headed Irish man Mammillaria spinosissima https://t.co/zvmCtIr3co

— Dasha Kalinovskiy (@Dashar18) 2016.2.14

Good day Attorney! #MammillariaSpinosissima @ The Columns Ayala Avenue Tower 1 https://t.co/qid0yX6QqH

— Mon Corpuz (@moncorpuz) 2015.8.21